imrishabh18/rp2040-motor-controller
An RP2040-based NEMA17 stepper-motor controller with USB-C programming and PD motor-power negotiation, DRV8825 dual H-bridge drive, current/temperature telemetry, protected power filtering, status RGB LED, buzzer alarm, and optional magnetic encoder.
- Version
- 1.0.41
- License
- unset
- Stars
- 3
schematic/MotorDriverCoreSection.tsx
import { Drv8825Support } from "./Drv8825Support";
import { revisionPlacement } from "../mechanical/revision-placement";
import { HoLRT1206_1W_300mR_1_ } from "../imports/HoLRT1206_1W_300mR_1_";
import { DRV8825PWPR } from "../imports/DRV8825PWPR";
import { BSS84 } from "../imports/BSS84";
import { Fragment } from "react";
import {
groundTrace,
logicTrace,
powerTrace,
schematicSections,
schematicSheets,
} from "./config";
export const MotorDriverController = () => (
<>
<DRV8825PWPR
name="DRIVER" schWidth={2.2} schHeight={3.8}
noConnect={["DECAY", "NC", "nHOME"]}
schX={-5.5}
schY={0}
schMarginLeft={1}
schMarginRight={1}
schPinArrangement={{
leftSide: {
pins: [5, 6, 7, 10, 9, 8, 1, 2, 3],
direction: "top-to-bottom",
},
rightSide: {
pins: [22, 20, 16, 21, 17, 18, 24, 25, 26, 19, 27, 23],
direction: "top-to-bottom",
},
topSide: {
pins: [4, 11, 15, 12, 13],
direction: "left-to-right",
},
bottomSide: {
pins: [14, 28, 29],
direction: "left-to-right",
},
}}
schPinStyle={{
...Object.fromEntries([20,16,21,17,18,24,25,26,19,27,23].map(pin => [`pin${pin}`, {marginTop:0.04}])),
pin11: {marginLeft:0.1}, pin15: {marginLeft:0.1},
pin28: {marginLeft:0.3}, pin29: {marginLeft:0.3},
pin5: {marginTop:0.15},
pin7: { marginTop: 0.45 },
pin9: { marginTop: 0.45 },
pin1: { marginTop: 0.45 },
}}
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("DRIVER", {x:-5.625,y:-8.25})}
/>
</>
);
export const MotorDriverPassives = () => (
<>
<Drv8825Support />
<capacitor
name="C_VM_BULK"
capacitance="10uF"
maxVoltageRating="50V"
footprint="1206"
supplierPartNumbers={{ jlcpcb: ["C13585"] }}
manufacturerPartNumber="CL31A106KBHNNNE"
maxDecouplingTraceLength={7.5}
schX={-2.5}
schY={-6}
schMarginX={0.15}
schMarginY={0.25}
schOrientation="vertical"
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("C_VM_BULK", {x:-5.625,y:-8.25})}
/>
<capacitor
name="C_VM_HF" maxVoltageRating="50V"
capacitance="100nF"
footprint="0402"
supplierPartNumbers={{ jlcpcb: ["C960916"] }}
maxDecouplingTraceLength={5.5}
schX={-1.9}
schY={-4}
schMarginX={0.15}
schMarginY={0.25}
schOrientation="vertical"
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("C_VM_HF", {x:-5.625,y:-8.25})}
/>
<HoLRT1206_1W_300mR_1_
name="R_ISEN_A" schRotation={-90.0}
schX={-12}
schY={0.025}
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("R_ISEN_A", {x:-5.625,y:-8.25})}
/>
<HoLRT1206_1W_300mR_1_
name="R_ISEN_B" schRotation={-90.0}
schX={-9}
schY={-0.825}
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("R_ISEN_B", {x:-5.625,y:-8.25})}
/>
<resistor
name="R_SLEEP_PD" schRotation={-90.0}
resistance="100k"
footprint="0402"
supplierPartNumbers={{ jlcpcb: ["C25741"] }}
schX={-4.25}
schY={-4.5}
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("R_SLEEP_PD", {x:-5.625,y:-8.25})}
/>
<resistor
name="R_FAULT_PU" schRotation={90.0}
resistance="10k"
footprint="0402"
supplierPartNumbers={{ jlcpcb: ["C25744"] }}
manufacturerPartNumber="0402WGF1002TCE"
schX={-8}
schY={-7}
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("R_FAULT_PU", {x:-5.625,y:-8.25})}
/>
<BSS84
name="Q_PD_ENABLE"
schX={-12}
schY={-3}
schPinStyle={{ pin3: { marginTop: 0.2 } }}
schPinArrangement={{
leftSide: { pins: [1], direction: "top-to-bottom" },
rightSide: { pins: [2, 3], direction: "top-to-bottom" },
}}
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("Q_PD_ENABLE", {x:-5.625,y:-8.25})}
/>
<resistor
name="R_PD_ENABLE_PU"
resistance="100k"
footprint="0402"
supplierPartNumbers={{ jlcpcb: ["C25741"] }}
schX={-10.5}
schY={-5.5}
schOrientation="vertical"
schSheetName={schematicSheets.motorDriver}
schSectionName={schematicSections.driverCore} {...revisionPlacement("R_PD_ENABLE_PU", {x:-5.625,y:-8.25})}
/>
</>
);
export const MotorDriverControlTraces = () => (
<>
{/* Staggered escape vias keep the 0.4 mm-pitch GPIO fanout outside the QFN. */}
{[
{ gpio: 18, x: 0.8250000000000002, y: 0.3493500000000001 },
{ gpio: 19, x: 1.5750000000000002, y: 0.79945 },
{ gpio: 20, x: 0.8250000000000002, y: 1.24955 },
].map(({ gpio, x, y }) => (
<Fragment key={gpio}>
<via name={`MCU_GPIO${gpio}_ESCAPE`} pcbX={x} pcbY={y}
holeDiameter="0.3mm" outerDiameter="0.45mm"
fromLayer="top" toLayer="bottom"
connectsTo={[`.MCU > .U1 > .GPIO${gpio}`, `.MCU_GPIO${gpio}_ESCAPE > .top`, `.MCU_GPIO${gpio}_ESCAPE > .bottom`]} />
<trace name={`MCU_GPIO${gpio}_ESCAPE_TRACE`}
schDisplayLabel={({18: "DRIVER_STEP", 19: "DRIVER_DIR", 20: "DRIVER_RESET"} as Record<number, string>)[gpio]}
from={`.MCU > .U1 > .GPIO${gpio}`} to={`.MCU_GPIO${gpio}_ESCAPE > .top`}
thickness="0.15mm" pcbPath={[`.MCU_GPIO${gpio}_ESCAPE > .top`]} />
</Fragment>
))}
<trace
name="DRIVER_STEP"
from=".MCU_GPIO18_ESCAPE > .bottom"
to=".DRIVER > .STEP"
{...logicTrace}
/>
<trace
name="DRIVER_DIR"
from=".MCU_GPIO19_ESCAPE > .bottom"
to=".DRIVER > .DIR"
{...logicTrace}
/>
<trace
name="DRIVER_RESET"
from=".MCU_GPIO20_ESCAPE > .bottom"
to=".DRIVER > .nRESET"
{...logicTrace}
/>
<trace
name="DRIVER_ENABLE_N"
from=".MCU > .U1 > .GPIO21"
to=".DRIVER > .nENBL"
{...logicTrace}
/>
<trace
name="DRIVER_SLEEP"
schDisplayLabel="MCU_ENABLE"
from=".MCU > .U1 > .GPIO22"
to=".Q_PD_ENABLE > .source"
{...logicTrace}
/>
<trace
name="DRIVER_FAULT"
// Reserve the complete MCU/pull-up/driver fault route before power routing.
from=".MCU > .U1 > .GPIO23"
to=".DRIVER > .nFault"
thickness="0.1mm"
/>
</>
);
export const MotorDriverPowerTraces = () => (
<>
<trace
name="VM_BULK"
from=".DRIVER > .VM"
to=".C_VM_BULK > .pin1"
schDisplayLabel="VMOTOR"
{...powerTrace}
/>
<trace
name="VM_HF"
from=".DRIVER > .VMB"
to=".C_VM_HF > .pin1"
{...powerTrace}
/>
</>
);
export const MotorDriverPrimaryGroundTraces = () => (
<>
{/* Join the board's scoped GND (pours and sense returns) to the
MCU/driver/USB ground network. Matching net names do not join them. */}
<trace
name="BOARD_GND_JOIN"
from=".DRIVER > .EP"
to="net.GND"
{...powerTrace}
/>
<trace
name="COMMON_GND"
from=".DRIVER > .EP"
to=".MCU > .U1 > .GND"
{...groundTrace}
/>
<trace
name="DRIVER_GND_JOIN"
from=".DRIVER > .GND1"
to=".DRIVER > .EP"
{...groundTrace}
/>
</>
);
export const MotorDriverGroundTraces = () => (
<>
<trace
name="ISEN_A_GND"
from=".R_ISEN_A > .pin2"
to="net.GND"
{...groundTrace}
/>
<trace
name="ISEN_B_GND"
from=".R_ISEN_B > .pin2"
to="net.GND"
{...groundTrace}
/>
<trace
name="VM_BULK_GND"
from=".C_VM_BULK > .pin2"
to="net.GND"
{...groundTrace}
/>
<trace
name="VM_HF_GND"
from=".C_VM_HF > .pin2"
to="net.GND"
{...groundTrace}
/>
<trace
name="SLEEP_PULLDOWN_GND"
from=".R_SLEEP_PD > .pin2"
to="net.GND"
{...logicTrace}
/>
</>
);
export const MotorDriverSenseAndControlTraces = () => (
<>
<trace
name="ISEN_A"
from=".DRIVER > .AISEN"
to=".R_ISEN_A > .pin1"
schDisplayLabel="A_ISEN"
{...powerTrace}
/>
<trace
name="ISEN_B"
from=".DRIVER > .BISEN"
to=".R_ISEN_B > .pin1"
schDisplayLabel="B_ISEN"
{...powerTrace}
/>
<trace
name="PD_ENABLE_OUTPUT"
schDisplayLabel="PD_MCU_ENABLE"
from=".Q_PD_ENABLE > .drain"
to=".DRIVER > .nSleep"
{...logicTrace}
/>
<trace
name="PD_ENABLE_GATE"
from=".Q_PD_ENABLE > .gate"
to=".U_PD > .PG"
schDisplayLabel="PD_GOOD"
{...logicTrace}
/>
<trace
name="PD_ENABLE_GATE_PULLUP"
from=".R_PD_ENABLE_PU > .pin1"
to=".Q_PD_ENABLE > .gate"
{...logicTrace}
/>
<trace
name="PD_ENABLE_PULLUP_SUPPLY"
from=".R_PD_ENABLE_PU > .pin2"
to=".U_PD > .VDD"
{...logicTrace}
/>
<trace
name="SLEEP_PULLDOWN"
from=".R_SLEEP_PD > .pin1"
to=".DRIVER > .nSleep"
schDisplayLabel="nSLEEP"
{...logicTrace}
/>
<trace
name="FAULT_PULLUP"
from=".R_FAULT_PU > .pin1"
to=".DRIVER > .nFault"
schDisplayLabel="nFAULT"
thickness="0.1mm"
/>
<trace
name="FAULT_PULLUP_3V3"
from=".R_FAULT_PU > .pin2"
to=".MCU > .L_AVDD > .pin1"
schDisplayLabel="V3V3"
{...logicTrace}
/>
</>
);
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