techmannih/nema34-mounted-stepper-controller
A USB-C PD-powered RP2040 motor controller with protected 48 V power, DRV8262 dual-bridge drive for a NEMA34 motor, regenerative-braking resistor, isolated sensing, hardware interlocks, and telemetry/status interfaces.
- Version
- 0.3.113
- License
- unset
- Stars
- 1
engineering/copper-geometry-review.json
{
"architecture": "RP2040_DRV8262DDV",
"board": "dist/manufacturing/kicad-project/pd1180-epr-r0.3.kicad_pcb",
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"model_source_sha256": {
"scripts/export-filled-power-copper.py": "293474ca65798cf99077d80e26a465e90792d0f5127b459e1aaeb5a2c474c76b",
"scripts/screen-filled-power-copper.py": "36a02200b7f5e9f29321793762c48f126e3f6fcab7901572057caaa18394966e",
"scripts/test-filled-power-copper.py": "2be758ad54dabc7013fef0f844a65a991c01af8df011103a5231dc8e282212ef"
},
"checked_at": "2026-11-07T04:26:34.848411Z",
"limitation": "Actual refilled native copper at 20 C; DC resistance estimate only, not thermal/current/EMC or fabrication qualification.",
"baseline_board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"baseline_description": "Exact merged main 5035034 / DATA-only DRV8462DDVR native PCB. Prior verified after-results become this authorized DRV8262DDVR migration comparison baseline.",
"dc_screen": {
"before": [
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.075,
"nodes": 14217,
"resistance_mohm_20c": 8.5075,
"voltage_drop_mv_at_5_5a": 46.791,
"loss_w_at_5_5a": 0.2574,
"source_nodes": 315,
"destination_nodes": 368,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.05,
"nodes": 31821,
"resistance_mohm_20c": 8.4892,
"voltage_drop_mv_at_5_5a": 46.691,
"loss_w_at_5_5a": 0.2568,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.075,
"nodes": 7095,
"resistance_mohm_20c": 3.1625,
"voltage_drop_mv_at_5_5a": 17.394,
"loss_w_at_5_5a": 0.0957,
"source_nodes": 336,
"destination_nodes": 368,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.05,
"nodes": 15958,
"resistance_mohm_20c": 3.1584,
"voltage_drop_mv_at_5_5a": 17.371,
"loss_w_at_5_5a": 0.0955,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.075,
"nodes": 15863,
"resistance_mohm_20c": 5.3628,
"voltage_drop_mv_at_5_5a": 29.495,
"loss_w_at_5_5a": 0.1622,
"source_nodes": 368,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.05,
"nodes": 35677,
"resistance_mohm_20c": 5.3124,
"voltage_drop_mv_at_5_5a": 29.218,
"loss_w_at_5_5a": 0.1607,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.075,
"nodes": 19676,
"resistance_mohm_20c": 21.8612,
"voltage_drop_mv_at_5_5a": 120.237,
"loss_w_at_5_5a": 0.6613,
"source_nodes": 315,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.05,
"nodes": 44572,
"resistance_mohm_20c": 20.8967,
"voltage_drop_mv_at_5_5a": 114.932,
"loss_w_at_5_5a": 0.6321,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.075,
"nodes": 19843,
"resistance_mohm_20c": 8.076,
"voltage_drop_mv_at_5_5a": 44.418,
"loss_w_at_5_5a": 0.2443,
"source_nodes": 368,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.05,
"nodes": 44785,
"resistance_mohm_20c": 8.0121,
"voltage_drop_mv_at_5_5a": 44.066,
"loss_w_at_5_5a": 0.2424,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.075,
"nodes": 22193,
"resistance_mohm_20c": 8.6627,
"voltage_drop_mv_at_5_5a": 47.645,
"loss_w_at_5_5a": 0.262,
"source_nodes": 357,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.05,
"nodes": 50320,
"resistance_mohm_20c": 8.5177,
"voltage_drop_mv_at_5_5a": 46.847,
"loss_w_at_5_5a": 0.2577,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.075,
"nodes": 57795,
"resistance_mohm_20c": 19.7431,
"voltage_drop_mv_at_5_5a": 108.587,
"loss_w_at_5_5a": 0.5972,
"source_nodes": 240,
"destination_nodes": 594,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.05,
"nodes": 129767,
"resistance_mohm_20c": 19.7941,
"voltage_drop_mv_at_5_5a": 108.867,
"loss_w_at_5_5a": 0.5988,
"source_nodes": 552,
"destination_nodes": 1248,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.075,
"nodes": 14178,
"resistance_mohm_20c": 6.8076,
"voltage_drop_mv_at_5_5a": 37.442,
"loss_w_at_5_5a": 0.2059,
"source_nodes": 2928,
"destination_nodes": 72,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.05,
"nodes": 31867,
"resistance_mohm_20c": 6.7917,
"voltage_drop_mv_at_5_5a": 37.354,
"loss_w_at_5_5a": 0.2054,
"source_nodes": 6552,
"destination_nodes": 168,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.075,
"nodes": 117909,
"resistance_mohm_20c": 14.7919,
"voltage_drop_mv_at_5_5a": 81.355,
"loss_w_at_5_5a": 0.4475,
"source_nodes": 72,
"destination_nodes": 441,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.05,
"nodes": 265143,
"resistance_mohm_20c": 14.7014,
"voltage_drop_mv_at_5_5a": 80.858,
"loss_w_at_5_5a": 0.4447,
"source_nodes": 168,
"destination_nodes": 1024,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.075,
"nodes": 117909,
"resistance_mohm_20c": 15.117,
"voltage_drop_mv_at_5_5a": 83.144,
"loss_w_at_5_5a": 0.4573,
"source_nodes": 72,
"destination_nodes": 2224,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.05,
"nodes": 265143,
"resistance_mohm_20c": 15.1533,
"voltage_drop_mv_at_5_5a": 83.343,
"loss_w_at_5_5a": 0.4584,
"source_nodes": 168,
"destination_nodes": 4980,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.075,
"nodes": 71642,
"resistance_mohm_20c": 5.1274,
"voltage_drop_mv_at_5_5a": 28.201,
"loss_w_at_5_5a": 0.1551,
"source_nodes": 2212,
"destination_nodes": 2928,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.05,
"nodes": 160562,
"resistance_mohm_20c": 5.134,
"voltage_drop_mv_at_5_5a": 28.237,
"loss_w_at_5_5a": 0.1553,
"source_nodes": 4980,
"destination_nodes": 6552,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
}
],
"after": [
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.075,
"nodes": 14512,
"resistance_mohm_20c": 8.4546,
"voltage_drop_mv_at_5_5a": 46.5,
"loss_w_at_5_5a": 0.2558,
"source_nodes": 315,
"destination_nodes": 368,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.05,
"nodes": 32467,
"resistance_mohm_20c": 8.44,
"voltage_drop_mv_at_5_5a": 46.42,
"loss_w_at_5_5a": 0.2553,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.075,
"nodes": 7095,
"resistance_mohm_20c": 3.1625,
"voltage_drop_mv_at_5_5a": 17.394,
"loss_w_at_5_5a": 0.0957,
"source_nodes": 336,
"destination_nodes": 368,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.05,
"nodes": 15958,
"resistance_mohm_20c": 3.1584,
"voltage_drop_mv_at_5_5a": 17.371,
"loss_w_at_5_5a": 0.0955,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.075,
"nodes": 15863,
"resistance_mohm_20c": 5.3628,
"voltage_drop_mv_at_5_5a": 29.495,
"loss_w_at_5_5a": 0.1622,
"source_nodes": 368,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.05,
"nodes": 35677,
"resistance_mohm_20c": 5.3124,
"voltage_drop_mv_at_5_5a": 29.218,
"loss_w_at_5_5a": 0.1607,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.075,
"nodes": 20978,
"resistance_mohm_20c": 19.7385,
"voltage_drop_mv_at_5_5a": 108.562,
"loss_w_at_5_5a": 0.5971,
"source_nodes": 315,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.05,
"nodes": 47545,
"resistance_mohm_20c": 18.9584,
"voltage_drop_mv_at_5_5a": 104.271,
"loss_w_at_5_5a": 0.5735,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.075,
"nodes": 19843,
"resistance_mohm_20c": 8.076,
"voltage_drop_mv_at_5_5a": 44.418,
"loss_w_at_5_5a": 0.2443,
"source_nodes": 368,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.05,
"nodes": 44785,
"resistance_mohm_20c": 8.0121,
"voltage_drop_mv_at_5_5a": 44.066,
"loss_w_at_5_5a": 0.2424,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.075,
"nodes": 22193,
"resistance_mohm_20c": 8.6627,
"voltage_drop_mv_at_5_5a": 47.645,
"loss_w_at_5_5a": 0.262,
"source_nodes": 357,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.05,
"nodes": 50320,
"resistance_mohm_20c": 8.5177,
"voltage_drop_mv_at_5_5a": 46.847,
"loss_w_at_5_5a": 0.2577,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.075,
"nodes": 58545,
"resistance_mohm_20c": 20.6686,
"voltage_drop_mv_at_5_5a": 113.677,
"loss_w_at_5_5a": 0.6252,
"source_nodes": 240,
"destination_nodes": 594,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.05,
"nodes": 131560,
"resistance_mohm_20c": 20.6865,
"voltage_drop_mv_at_5_5a": 113.776,
"loss_w_at_5_5a": 0.6258,
"source_nodes": 552,
"destination_nodes": 1248,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.075,
"nodes": 13641,
"resistance_mohm_20c": 7.105,
"voltage_drop_mv_at_5_5a": 39.078,
"loss_w_at_5_5a": 0.2149,
"source_nodes": 2928,
"destination_nodes": 72,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.05,
"nodes": 30647,
"resistance_mohm_20c": 7.0879,
"voltage_drop_mv_at_5_5a": 38.983,
"loss_w_at_5_5a": 0.2144,
"source_nodes": 6552,
"destination_nodes": 168,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.075,
"nodes": 117219,
"resistance_mohm_20c": 14.7919,
"voltage_drop_mv_at_5_5a": 81.355,
"loss_w_at_5_5a": 0.4475,
"source_nodes": 72,
"destination_nodes": 441,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.05,
"nodes": 263484,
"resistance_mohm_20c": 14.7014,
"voltage_drop_mv_at_5_5a": 80.858,
"loss_w_at_5_5a": 0.4447,
"source_nodes": 168,
"destination_nodes": 1024,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.075,
"nodes": 117219,
"resistance_mohm_20c": 15.117,
"voltage_drop_mv_at_5_5a": 83.144,
"loss_w_at_5_5a": 0.4573,
"source_nodes": 72,
"destination_nodes": 2224,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.05,
"nodes": 263484,
"resistance_mohm_20c": 15.1533,
"voltage_drop_mv_at_5_5a": 83.343,
"loss_w_at_5_5a": 0.4584,
"source_nodes": 168,
"destination_nodes": 4980,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.075,
"nodes": 71431,
"resistance_mohm_20c": 5.1725,
"voltage_drop_mv_at_5_5a": 28.448,
"loss_w_at_5_5a": 0.1565,
"source_nodes": 2212,
"destination_nodes": 2928,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.05,
"nodes": 160112,
"resistance_mohm_20c": 5.1786,
"voltage_drop_mv_at_5_5a": 28.482,
"loss_w_at_5_5a": 0.1567,
"source_nodes": 4980,
"destination_nodes": 6552,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
}
],
"refined": [
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.025,
"nodes": 178310,
"resistance_mohm_20c": 20.7326,
"voltage_drop_mv_at_5_5a": 114.029,
"loss_w_at_5_5a": 0.6272,
"source_nodes": 3072,
"destination_nodes": 24228,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
],
"revision": "before"
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.025,
"nodes": 190163,
"resistance_mohm_20c": 18.9234,
"voltage_drop_mv_at_5_5a": 104.079,
"loss_w_at_5_5a": 0.5724,
"source_nodes": 3072,
"destination_nodes": 24228,
"components": 1,
"board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
],
"revision": "after"
}
]
},
"raw_evidence_archive": "engineering/rp2040-copper-evidence.zip",
"prior_layout_comparison": {
"architecture": "RP2040_DRV8462DDV",
"board": "dist/manufacturing/kicad-project/pd1180-epr-r0.3.kicad_pcb",
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"model_source_sha256": {
"scripts/export-filled-power-copper.py": "293474ca65798cf99077d80e26a465e90792d0f5127b459e1aaeb5a2c474c76b",
"scripts/screen-filled-power-copper.py": "36a02200b7f5e9f29321793762c48f126e3f6fcab7901572057caaa18394966e",
"scripts/test-filled-power-copper.py": "2be758ad54dabc7013fef0f844a65a991c01af8df011103a5231dc8e282212ef"
},
"checked_at": "2026-11-05T07:25:03.215900+00:00",
"limitation": "Actual refilled native copper at 20 C; DC resistance estimate only, not thermal/current/EMC or fabrication qualification.",
"baseline_board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"baseline_description": "Exact merged main fd77f02 native board before the DATA-only, sensor-switch and 2x1000uF bulk ECO. Its previous after-results are retained as this comparison baseline.",
"dc_screen": {
"before": [
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.075,
"nodes": 14215,
"resistance_mohm_20c": 8.5075,
"voltage_drop_mv_at_5_5a": 46.791,
"loss_w_at_5_5a": 0.2574,
"source_nodes": 315,
"destination_nodes": 368,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.05,
"nodes": 31821,
"resistance_mohm_20c": 8.4892,
"voltage_drop_mv_at_5_5a": 46.691,
"loss_w_at_5_5a": 0.2568,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.075,
"nodes": 7095,
"resistance_mohm_20c": 3.1625,
"voltage_drop_mv_at_5_5a": 17.394,
"loss_w_at_5_5a": 0.0957,
"source_nodes": 336,
"destination_nodes": 368,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.05,
"nodes": 15958,
"resistance_mohm_20c": 3.1584,
"voltage_drop_mv_at_5_5a": 17.371,
"loss_w_at_5_5a": 0.0955,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.075,
"nodes": 15863,
"resistance_mohm_20c": 5.3628,
"voltage_drop_mv_at_5_5a": 29.495,
"loss_w_at_5_5a": 0.1622,
"source_nodes": 368,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.05,
"nodes": 35677,
"resistance_mohm_20c": 5.3124,
"voltage_drop_mv_at_5_5a": 29.218,
"loss_w_at_5_5a": 0.1607,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.075,
"nodes": 19632,
"resistance_mohm_20c": 22.3609,
"voltage_drop_mv_at_5_5a": 122.985,
"loss_w_at_5_5a": 0.6764,
"source_nodes": 315,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.05,
"nodes": 44456,
"resistance_mohm_20c": 21.4948,
"voltage_drop_mv_at_5_5a": 118.221,
"loss_w_at_5_5a": 0.6502,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.075,
"nodes": 19909,
"resistance_mohm_20c": 7.9258,
"voltage_drop_mv_at_5_5a": 43.592,
"loss_w_at_5_5a": 0.2398,
"source_nodes": 368,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.05,
"nodes": 44910,
"resistance_mohm_20c": 7.8814,
"voltage_drop_mv_at_5_5a": 43.348,
"loss_w_at_5_5a": 0.2384,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.075,
"nodes": 22180,
"resistance_mohm_20c": 8.6664,
"voltage_drop_mv_at_5_5a": 47.665,
"loss_w_at_5_5a": 0.2622,
"source_nodes": 357,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.05,
"nodes": 50298,
"resistance_mohm_20c": 8.5202,
"voltage_drop_mv_at_5_5a": 46.861,
"loss_w_at_5_5a": 0.2577,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.075,
"nodes": 57700,
"resistance_mohm_20c": 19.1349,
"voltage_drop_mv_at_5_5a": 105.242,
"loss_w_at_5_5a": 0.5788,
"source_nodes": 240,
"destination_nodes": 594,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.05,
"nodes": 129665,
"resistance_mohm_20c": 19.157,
"voltage_drop_mv_at_5_5a": 105.363,
"loss_w_at_5_5a": 0.5795,
"source_nodes": 552,
"destination_nodes": 1248,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.075,
"nodes": 14183,
"resistance_mohm_20c": 6.8076,
"voltage_drop_mv_at_5_5a": 37.442,
"loss_w_at_5_5a": 0.2059,
"source_nodes": 2928,
"destination_nodes": 72,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.05,
"nodes": 31874,
"resistance_mohm_20c": 6.7917,
"voltage_drop_mv_at_5_5a": 37.354,
"loss_w_at_5_5a": 0.2054,
"source_nodes": 6552,
"destination_nodes": 168,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.075,
"nodes": 115535,
"resistance_mohm_20c": 14.1535,
"voltage_drop_mv_at_5_5a": 77.844,
"loss_w_at_5_5a": 0.4281,
"source_nodes": 72,
"destination_nodes": 441,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.05,
"nodes": 259660,
"resistance_mohm_20c": 14.1072,
"voltage_drop_mv_at_5_5a": 77.59,
"loss_w_at_5_5a": 0.4267,
"source_nodes": 168,
"destination_nodes": 1024,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.075,
"nodes": 115535,
"resistance_mohm_20c": 15.1211,
"voltage_drop_mv_at_5_5a": 83.166,
"loss_w_at_5_5a": 0.4574,
"source_nodes": 72,
"destination_nodes": 2224,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.05,
"nodes": 259660,
"resistance_mohm_20c": 15.1359,
"voltage_drop_mv_at_5_5a": 83.247,
"loss_w_at_5_5a": 0.4579,
"source_nodes": 168,
"destination_nodes": 4980,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.075,
"nodes": 71534,
"resistance_mohm_20c": 6.9792,
"voltage_drop_mv_at_5_5a": 38.385,
"loss_w_at_5_5a": 0.2111,
"source_nodes": 2212,
"destination_nodes": 2928,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.05,
"nodes": 160261,
"resistance_mohm_20c": 6.9697,
"voltage_drop_mv_at_5_5a": 38.334,
"loss_w_at_5_5a": 0.2108,
"source_nodes": 4980,
"destination_nodes": 6552,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
}
],
"after": [
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.075,
"nodes": 14217,
"resistance_mohm_20c": 8.5075,
"voltage_drop_mv_at_5_5a": 46.791,
"loss_w_at_5_5a": 0.2574,
"source_nodes": 315,
"destination_nodes": 368,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.05,
"nodes": 31821,
"resistance_mohm_20c": 8.4892,
"voltage_drop_mv_at_5_5a": 46.691,
"loss_w_at_5_5a": 0.2568,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.075,
"nodes": 7095,
"resistance_mohm_20c": 3.1625,
"voltage_drop_mv_at_5_5a": 17.394,
"loss_w_at_5_5a": 0.0957,
"source_nodes": 336,
"destination_nodes": 368,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.05,
"nodes": 15958,
"resistance_mohm_20c": 3.1584,
"voltage_drop_mv_at_5_5a": 17.371,
"loss_w_at_5_5a": 0.0955,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.075,
"nodes": 15863,
"resistance_mohm_20c": 5.3628,
"voltage_drop_mv_at_5_5a": 29.495,
"loss_w_at_5_5a": 0.1622,
"source_nodes": 368,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.05,
"nodes": 35677,
"resistance_mohm_20c": 5.3124,
"voltage_drop_mv_at_5_5a": 29.218,
"loss_w_at_5_5a": 0.1607,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.075,
"nodes": 19676,
"resistance_mohm_20c": 21.8612,
"voltage_drop_mv_at_5_5a": 120.237,
"loss_w_at_5_5a": 0.6613,
"source_nodes": 315,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.05,
"nodes": 44572,
"resistance_mohm_20c": 20.8967,
"voltage_drop_mv_at_5_5a": 114.932,
"loss_w_at_5_5a": 0.6321,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.075,
"nodes": 19843,
"resistance_mohm_20c": 8.076,
"voltage_drop_mv_at_5_5a": 44.418,
"loss_w_at_5_5a": 0.2443,
"source_nodes": 368,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.05,
"nodes": 44785,
"resistance_mohm_20c": 8.0121,
"voltage_drop_mv_at_5_5a": 44.066,
"loss_w_at_5_5a": 0.2424,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.075,
"nodes": 22193,
"resistance_mohm_20c": 8.6627,
"voltage_drop_mv_at_5_5a": 47.645,
"loss_w_at_5_5a": 0.262,
"source_nodes": 357,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.05,
"nodes": 50320,
"resistance_mohm_20c": 8.5177,
"voltage_drop_mv_at_5_5a": 46.847,
"loss_w_at_5_5a": 0.2577,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.075,
"nodes": 57795,
"resistance_mohm_20c": 19.7431,
"voltage_drop_mv_at_5_5a": 108.587,
"loss_w_at_5_5a": 0.5972,
"source_nodes": 240,
"destination_nodes": 594,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.05,
"nodes": 129767,
"resistance_mohm_20c": 19.7941,
"voltage_drop_mv_at_5_5a": 108.867,
"loss_w_at_5_5a": 0.5988,
"source_nodes": 552,
"destination_nodes": 1248,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.075,
"nodes": 14178,
"resistance_mohm_20c": 6.8076,
"voltage_drop_mv_at_5_5a": 37.442,
"loss_w_at_5_5a": 0.2059,
"source_nodes": 2928,
"destination_nodes": 72,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.05,
"nodes": 31867,
"resistance_mohm_20c": 6.7917,
"voltage_drop_mv_at_5_5a": 37.354,
"loss_w_at_5_5a": 0.2054,
"source_nodes": 6552,
"destination_nodes": 168,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.075,
"nodes": 117909,
"resistance_mohm_20c": 14.7919,
"voltage_drop_mv_at_5_5a": 81.355,
"loss_w_at_5_5a": 0.4475,
"source_nodes": 72,
"destination_nodes": 441,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.05,
"nodes": 265143,
"resistance_mohm_20c": 14.7014,
"voltage_drop_mv_at_5_5a": 80.858,
"loss_w_at_5_5a": 0.4447,
"source_nodes": 168,
"destination_nodes": 1024,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.075,
"nodes": 117909,
"resistance_mohm_20c": 15.117,
"voltage_drop_mv_at_5_5a": 83.144,
"loss_w_at_5_5a": 0.4573,
"source_nodes": 72,
"destination_nodes": 2224,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.05,
"nodes": 265143,
"resistance_mohm_20c": 15.1533,
"voltage_drop_mv_at_5_5a": 83.343,
"loss_w_at_5_5a": 0.4584,
"source_nodes": 168,
"destination_nodes": 4980,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.075,
"nodes": 71642,
"resistance_mohm_20c": 5.1274,
"voltage_drop_mv_at_5_5a": 28.201,
"loss_w_at_5_5a": 0.1551,
"source_nodes": 2212,
"destination_nodes": 2928,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.05,
"nodes": 160562,
"resistance_mohm_20c": 5.134,
"voltage_drop_mv_at_5_5a": 28.237,
"loss_w_at_5_5a": 0.1553,
"source_nodes": 4980,
"destination_nodes": 6552,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
}
],
"refined": [
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.025,
"nodes": 177865,
"resistance_mohm_20c": 21.2963,
"voltage_drop_mv_at_5_5a": 117.13,
"loss_w_at_5_5a": 0.6442,
"source_nodes": 3072,
"destination_nodes": 24228,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
],
"revision": "before"
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.025,
"nodes": 178310,
"resistance_mohm_20c": 20.7326,
"voltage_drop_mv_at_5_5a": 114.029,
"loss_w_at_5_5a": 0.6272,
"source_nodes": 3072,
"destination_nodes": 24228,
"components": 1,
"board_sha256": "097e7d2f3bbe412744c118c06e71c14a7adf5d1f30942f13ad93497d7300a87a",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
],
"revision": "after"
}
]
},
"raw_evidence_archive": "engineering/rp2040-copper-evidence.zip",
"prior_layout_comparison": {
"description": "Merged PR #21 JST layout versus final WAGO layout. Moved terminals lengthen several paths; these increases are visible and are not qualified by the reinforcement-only regression gate.",
"baseline_board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"before": [
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.075,
"nodes": 13832,
"resistance_mohm_20c": 9.1798,
"voltage_drop_mv_at_5_5a": 50.489,
"loss_w_at_5_5a": 0.2777,
"source_nodes": 315,
"destination_nodes": 368,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.05,
"nodes": 30944,
"resistance_mohm_20c": 9.1479,
"voltage_drop_mv_at_5_5a": 50.313,
"loss_w_at_5_5a": 0.2767,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.075,
"nodes": 7131,
"resistance_mohm_20c": 3.1625,
"voltage_drop_mv_at_5_5a": 17.394,
"loss_w_at_5_5a": 0.0957,
"source_nodes": 336,
"destination_nodes": 368,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.05,
"nodes": 16028,
"resistance_mohm_20c": 3.1584,
"voltage_drop_mv_at_5_5a": 17.371,
"loss_w_at_5_5a": 0.0955,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.075,
"nodes": 13328,
"resistance_mohm_20c": 5.1387,
"voltage_drop_mv_at_5_5a": 28.263,
"loss_w_at_5_5a": 0.1554,
"source_nodes": 368,
"destination_nodes": 4488,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.05,
"nodes": 29808,
"resistance_mohm_20c": 5.0539,
"voltage_drop_mv_at_5_5a": 27.797,
"loss_w_at_5_5a": 0.1529,
"source_nodes": 840,
"destination_nodes": 9800,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.075,
"nodes": 19158,
"resistance_mohm_20c": 13.4686,
"voltage_drop_mv_at_5_5a": 74.077,
"loss_w_at_5_5a": 0.4074,
"source_nodes": 315,
"destination_nodes": 3476,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.05,
"nodes": 43510,
"resistance_mohm_20c": 13.1299,
"voltage_drop_mv_at_5_5a": 72.214,
"loss_w_at_5_5a": 0.3972,
"source_nodes": 768,
"destination_nodes": 7816,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.075,
"nodes": 16405,
"resistance_mohm_20c": 5.7508,
"voltage_drop_mv_at_5_5a": 31.63,
"loss_w_at_5_5a": 0.174,
"source_nodes": 368,
"destination_nodes": 3464,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.05,
"nodes": 36977,
"resistance_mohm_20c": 5.7367,
"voltage_drop_mv_at_5_5a": 31.552,
"loss_w_at_5_5a": 0.1735,
"source_nodes": 840,
"destination_nodes": 7808,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.075,
"nodes": 18948,
"resistance_mohm_20c": 8.1602,
"voltage_drop_mv_at_5_5a": 44.881,
"loss_w_at_5_5a": 0.2468,
"source_nodes": 357,
"destination_nodes": 3468,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.05,
"nodes": 43077,
"resistance_mohm_20c": 8.0118,
"voltage_drop_mv_at_5_5a": 44.065,
"loss_w_at_5_5a": 0.2424,
"source_nodes": 768,
"destination_nodes": 7816,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.075,
"nodes": 54808,
"resistance_mohm_20c": 20.883,
"voltage_drop_mv_at_5_5a": 114.856,
"loss_w_at_5_5a": 0.6317,
"source_nodes": 240,
"destination_nodes": 594,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.05,
"nodes": 123078,
"resistance_mohm_20c": 20.8969,
"voltage_drop_mv_at_5_5a": 114.933,
"loss_w_at_5_5a": 0.6321,
"source_nodes": 552,
"destination_nodes": 1248,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.075,
"nodes": 14823,
"resistance_mohm_20c": 6.8076,
"voltage_drop_mv_at_5_5a": 37.442,
"loss_w_at_5_5a": 0.2059,
"source_nodes": 2928,
"destination_nodes": 72,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.05,
"nodes": 33298,
"resistance_mohm_20c": 6.7917,
"voltage_drop_mv_at_5_5a": 37.354,
"loss_w_at_5_5a": 0.2054,
"source_nodes": 6552,
"destination_nodes": 168,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.075,
"nodes": 99499,
"resistance_mohm_20c": 18.4201,
"voltage_drop_mv_at_5_5a": 101.311,
"loss_w_at_5_5a": 0.5572,
"source_nodes": 72,
"destination_nodes": 441,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.05,
"nodes": 223598,
"resistance_mohm_20c": 18.5702,
"voltage_drop_mv_at_5_5a": 102.136,
"loss_w_at_5_5a": 0.5617,
"source_nodes": 168,
"destination_nodes": 1024,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.075,
"nodes": 99499,
"resistance_mohm_20c": 3.2414,
"voltage_drop_mv_at_5_5a": 17.828,
"loss_w_at_5_5a": 0.0981,
"source_nodes": 72,
"destination_nodes": 4356,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.05,
"nodes": 223598,
"resistance_mohm_20c": 3.246,
"voltage_drop_mv_at_5_5a": 17.853,
"loss_w_at_5_5a": 0.0982,
"source_nodes": 168,
"destination_nodes": 9800,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.075,
"nodes": 40063,
"resistance_mohm_20c": 1.4187,
"voltage_drop_mv_at_5_5a": 7.803,
"loss_w_at_5_5a": 0.0429,
"source_nodes": 3476,
"destination_nodes": 2928,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.05,
"nodes": 89798,
"resistance_mohm_20c": 1.4103,
"voltage_drop_mv_at_5_5a": 7.757,
"loss_w_at_5_5a": 0.0427,
"source_nodes": 7808,
"destination_nodes": 6552,
"components": 1,
"board_sha256": "4738c83bd7db689e0e135f7040ab4023b6d0a71505e1f883d22a976fe9be481b",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
}
],
"after": [
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.075,
"nodes": 14215,
"resistance_mohm_20c": 8.5075,
"voltage_drop_mv_at_5_5a": 46.791,
"loss_w_at_5_5a": 0.2574,
"source_nodes": 315,
"destination_nodes": 368,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1",
"from": "U7:17,18,19",
"to": "R115:1",
"grid_mm": 0.05,
"nodes": 31821,
"resistance_mohm_20c": 8.4892,
"voltage_drop_mv_at_5_5a": 46.691,
"loss_w_at_5_5a": 0.2568,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.075,
"nodes": 7095,
"resistance_mohm_20c": 3.1625,
"voltage_drop_mv_at_5_5a": 17.394,
"loss_w_at_5_5a": 0.0957,
"source_nodes": 336,
"destination_nodes": 368,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1",
"from": "U7:4,5,6",
"to": "R116:1",
"grid_mm": 0.05,
"nodes": 15958,
"resistance_mohm_20c": 3.1584,
"voltage_drop_mv_at_5_5a": 17.371,
"loss_w_at_5_5a": 0.0955,
"source_nodes": 768,
"destination_nodes": 840,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.075,
"nodes": 15863,
"resistance_mohm_20c": 5.3628,
"voltage_drop_mv_at_5_5a": 29.495,
"loss_w_at_5_5a": 0.1622,
"source_nodes": 368,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A1_OUT",
"from": "R115:2",
"to": "J2:1",
"grid_mm": 0.05,
"nodes": 35677,
"resistance_mohm_20c": 5.3124,
"voltage_drop_mv_at_5_5a": 29.218,
"loss_w_at_5_5a": 0.1607,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.075,
"nodes": 19632,
"resistance_mohm_20c": 22.3609,
"voltage_drop_mv_at_5_5a": 122.985,
"loss_w_at_5_5a": 0.6764,
"source_nodes": 315,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_A2",
"from": "U7:14,15,16",
"to": "J2:2",
"grid_mm": 0.05,
"nodes": 44456,
"resistance_mohm_20c": 21.4948,
"voltage_drop_mv_at_5_5a": 118.221,
"loss_w_at_5_5a": 0.6502,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.075,
"nodes": 19909,
"resistance_mohm_20c": 7.9258,
"voltage_drop_mv_at_5_5a": 43.592,
"loss_w_at_5_5a": 0.2398,
"source_nodes": 368,
"destination_nodes": 2700,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B1_OUT",
"from": "R116:2",
"to": "J2:3",
"grid_mm": 0.05,
"nodes": 44910,
"resistance_mohm_20c": 7.8814,
"voltage_drop_mv_at_5_5a": 43.348,
"loss_w_at_5_5a": 0.2384,
"source_nodes": 840,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.075,
"nodes": 22180,
"resistance_mohm_20c": 8.6664,
"voltage_drop_mv_at_5_5a": 47.665,
"loss_w_at_5_5a": 0.2622,
"source_nodes": 357,
"destination_nodes": 2692,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "MOTOR_B2",
"from": "U7:7,8,9",
"to": "J2:4",
"grid_mm": 0.05,
"nodes": 50298,
"resistance_mohm_20c": 8.5202,
"voltage_drop_mv_at_5_5a": 46.861,
"loss_w_at_5_5a": 0.2577,
"source_nodes": 768,
"destination_nodes": 6052,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.075,
"nodes": 57700,
"resistance_mohm_20c": 19.1349,
"voltage_drop_mv_at_5_5a": 105.242,
"loss_w_at_5_5a": 0.5788,
"source_nodes": 240,
"destination_nodes": 594,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "PD_VBUS",
"from": "J1:7,8,17,18",
"to": "Q4:1,2,3",
"grid_mm": 0.05,
"nodes": 129665,
"resistance_mohm_20c": 19.157,
"voltage_drop_mv_at_5_5a": 105.363,
"loss_w_at_5_5a": 0.5795,
"source_nodes": 552,
"destination_nodes": 1248,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.075,
"nodes": 14183,
"resistance_mohm_20c": 6.8076,
"voltage_drop_mv_at_5_5a": 37.442,
"loss_w_at_5_5a": 0.2059,
"source_nodes": 2928,
"destination_nodes": 72,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "EFUSE_IN",
"from": "Q4:9",
"to": "U6:1,2",
"grid_mm": 0.05,
"nodes": 31874,
"resistance_mohm_20c": 6.7917,
"voltage_drop_mv_at_5_5a": 37.354,
"loss_w_at_5_5a": 0.2054,
"source_nodes": 6552,
"destination_nodes": 168,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.075,
"nodes": 115535,
"resistance_mohm_20c": 14.1535,
"voltage_drop_mv_at_5_5a": 77.844,
"loss_w_at_5_5a": 0.4281,
"source_nodes": 72,
"destination_nodes": 441,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "U7:2,11,12,21",
"grid_mm": 0.05,
"nodes": 259660,
"resistance_mohm_20c": 14.1072,
"voltage_drop_mv_at_5_5a": 77.59,
"loss_w_at_5_5a": 0.4267,
"source_nodes": 168,
"destination_nodes": 1024,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.075,
"nodes": 115535,
"resistance_mohm_20c": 15.1211,
"voltage_drop_mv_at_5_5a": 83.166,
"loss_w_at_5_5a": 0.4574,
"source_nodes": 72,
"destination_nodes": 2224,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "VMOTOR",
"from": "U6:17,18",
"to": "J3:1",
"grid_mm": 0.05,
"nodes": 259660,
"resistance_mohm_20c": 15.1359,
"voltage_drop_mv_at_5_5a": 83.247,
"loss_w_at_5_5a": 0.4579,
"source_nodes": 168,
"destination_nodes": 4980,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.075,
"nodes": 71534,
"resistance_mohm_20c": 6.9792,
"voltage_drop_mv_at_5_5a": 38.385,
"loss_w_at_5_5a": 0.2111,
"source_nodes": 2212,
"destination_nodes": 2928,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
},
{
"net": "BRAKE_RETURN",
"from": "J3:2",
"to": "Q16:9",
"grid_mm": 0.05,
"nodes": 160261,
"resistance_mohm_20c": 6.9697,
"voltage_drop_mv_at_5_5a": 38.334,
"loss_w_at_5_5a": 0.2108,
"source_nodes": 4980,
"destination_nodes": 6552,
"components": 1,
"board_sha256": "0455d7ba01ada4b5635d61e988f82bd3ad80fb59acb2ac50367179bc6c4703c6",
"method": "9-point DC sheet-conductance screening; 35 um copper at 20 C, 20 um via plating, 1.6 mm equally spaced stack",
"limitations": [
"Grid approximation; validate mesh convergence and native connectivity separately",
"Ideal terminal contacts; via contacts approximate, copper thickness and barrel plating are assumptions",
"Excludes connector/contact, shunt and transistor resistance, AC/PWM/proximity effects and temperature feedback",
"DC 5.5 A comparison is not a duty-cycle, temperature-rise or current-rating qualification"
]
}
],
"physical_thermal_qualified": false
},
"changes": "Restore the USB return stitch; add two PD transfer vias and a 0.5 mm B.Cu parallel path around the relocated D20 corner. Other power corridors retain the existing rule/width policy."
},
"changes": "DRV8262DDVR plus MCP4822/current references and stocked R60/BZ1/U36/R66 replacements. Preserve motor/brake corridors, Kelvin branches and USB return reference. Add 1.35 mm B.Cu PD parallel conductor, 1.5 mm inner transfer tracks and four power-transfer vias to offset the local U36 routing detour. The export fix adds one 0.60 mm In1.Cu MOTOR_A2 bridge to preserve the filled-copper connection after KiCad refill; its exact geometry and regression evidence are in engineering/motor-a2-export-bridge.json.",
"reference_alignment": {
"previous_board_sha256": "000495f20437bd5cbef3d1ed4b5b1eb64360de8e61818af3300d16093b128255",
"final_board_sha256": "90cffb0ec9f0c7970df01fd5e45176ecb00cab87f8b89d7c96397e3385281a6a",
"change": "Added the exact 0.60 mm In1.Cu MOTOR_A2 bridge from engineering/motor-a2-export-bridge.json; other unfilled native records are preserved.",
"method": "KiCad 10.0.5 refill-save was byte-identical to the reviewed board. Refill-enabled DRC/ERC reports 0 unconnected, parity, or ERC findings; 896 actual filled-copper objects were exported and the 11 named power paths were screened at 0.075/0.05 mm, with 0.025 mm refinement where needed.",
"power_copper_geometry_sha256": "131d06c320e989b8ef5059b6943953d477c23a7d6cd96998780cc1c35e331c67",
"supplier_only_rebind": "R65 supplier code changed to C328424; copper rows and filled geometry re-measured identical to board fca4ed82",
"encoder_via_rebind": "Encoder bypass via at (100.6, 103.9) changed from 0.60/0.30 to 0.45/0.30 mm by user request; copper rows and filled geometry re-measured identical to board 4b39216f",
"c50_and_via_rebind": "Encoder via 0.45/0.30 and C50 moved to XTAL_OUT; power copper rows and filled geometry re-measured identical to board 4b39216f",
"crystal_swap_rebind": "Y1 changed to ABM8-272-T3 and C49/C50 to 15 pF with no copper change; power copper rows and filled geometry re-measured identical to board 4b39216f"
}
}
Related Packages
More from this authortechmannih/footprint-check-placementThis design features a 10mm x 10mm PCB with an integrated clock module chip connected to various digital, audio, and power nets, along with a nearby 100nF surface-mount capacitor for decoupling.
Similar packageimrishabh18/nema-23-stepper-controllerA 4-layer NEMA23 stepper-motor controller PCB combining an RP2040, DRV8462 dual-phase driver, USB-C Power Delivery/eFuse protection, current/voltage/temperature sensing, USB data multiplexing/ESD protection, optional AS5600 encoder, status LEDs, buzzer, and motor terminals.
Discover something newabse/gameboy-advance