gokul/usb3-sd-hub

Engineering draft: four-layer, computer-powered USB 3 hub with one USB-C host socket, two USB-C and two USB-A accessory sockets, and a full-size SD slot. Board and three schematic previews are available. Routing and production checks are incomplete; not fabrication ready.

Version
0.1.4
License
unset
Stars
0

verification/routing-check.json

PCBPCB preview for verification/routing-check.json
SchematicSchematic preview for verification/routing-check.json
{
  "tscircuit": "0.0.2825",
  "capacity_autorouter": "0.0.969",
  "engine": "AutoroutingPipelineSolver9_PreloadedTraceGraph with CompactPairRouter search bounds",
  "cloud_autorouting": false,
  "tested_phase": "USB5816 upstream TX pads to upstream TX AC-coupling capacitors",
  "elapsed_seconds": 551.166,
  "native_solved": true,
  "native_failed": false,
  "native_post_processing_errors": [
    {
      "type": "post_processing_error",
      "stage": "differentialPairReroutingSolver",
      "message": "PostProcessingSolver: differential pair source_net_7/source_net_8 could not be improved without violating bounds, copper clearance, or coupled-via constraints",
      "connectionNames": [
        "source_net_7",
        "source_net_8"
      ],
      "reason": "no-valid-candidate",
      "returnedRouteSource": "input-hd-routes"
    }
  ],
  "length_mismatch_mm": 5.831388705246354e-10,
  "length_mismatch_limit_mm": 0.15,
  "trace_width_mm": 0.136,
  "nominal_trace_gap_mm": 0.15,
  "maximum_uncoupled_length_mm": 2,
  "coupling_rejection_method": "0.02 mm maximum sampling interval; Lipschitz lower bound proves full sampled intervals exceed 0.336 mm nearest same-layer center distance. This is 0.05 mm beyond nominal width plus gap. Parallelism and impedance are not qualified by this check.",
  "traces": [
    {
      "connection_name": "source_net_8",
      "copper_length_mm": 20.44474929170506,
      "through_vias": 0,
      "total_proven_uncoupled_length_mm": 20.4447492917051,
      "longest_proven_uncoupled_length_mm": 20.4447492917051
    },
    {
      "connection_name": "source_net_7",
      "copper_length_mm": 20.4447492922882,
      "through_vias": 0,
      "total_proven_uncoupled_length_mm": 20.444749292288137,
      "longest_proven_uncoupled_length_mm": 20.444749292288137
    }
  ],
  "length_mismatch_check_passed": true,
  "coupling_check_passed": false,
  "routing_accepted": false,
  "complete_board_routing": false,
  "fabrication_ready": false,
  "candidate_included_in_manufacturing_exports": false,
  "native_input_sha256": "cd8ca79ddd9b0c1f3295602c772f465543f73d6ef34428aef810376b263c41b8",
  "native_result_sha256": "af47dd0f420af2c37a9587672d999879d7453b05d45f8c744e08948c419724d4"
}