pixalynx/cm5-minimal-carrier

A 4-layer Raspberry Pi CM5 carrier board routes USB‑C 5V power through an RT9742 load switch with TVS protection and capacitive filtering, while providing ESD-protected HDMI output, CM5 connectors, test points, and ground/power planes.

Version
0.1.1
License
unset
Stars
0

docs/imported-parts-review.json

{
  "reviewed": "2026-09-18",
  "command": "tsci search --jlcpcb --json <MPN>; tsci import --jlcpcb --download --use-exact-footprint <LCSC>",
  "parts": [
    {
      "reference": "U1",
      "lcsc": "C3235509",
      "searchResult": {
        "source": "jlcpcb",
        "lcsc": 3235509,
        "mfr": "RT9742SNGV",
        "package": "SOT-23-3",
        "is_basic": false,
        "is_preferred": false,
        "description": "-40\u2103~+85\u2103 1 2.7V~6V 500mA 70m\u03a9 Active High High Side Switch Short-Circuit  Protection(SCP)\u3001Undervoltage Protection(UVP)\u3001Overcurrent Protection(OCP)\u3001Over Temperature Protection SOT-23-3 Power Distribution Switches ROHS",
        "stock": 4426,
        "price": 0.4764
      },
      "footprintCorrectionDegrees": 180,
      "assetSha256": {
        "imports/RT9742SNGV/RT9742SNGV.obj": "eba3fbb208f2c1a7432380919e93350a471d50f840cc10ec11fdb1f59812c7b2",
        "imports/RT9742SNGV/RT9742SNGV.step": "c9a82c26510eaf3f266d1d61eb7c4addbfd4f1bef9c428b719678ad8455821cc"
      }
    },
    {
      "reference": "D1",
      "lcsc": "C87074",
      "searchResult": {
        "source": "jlcpcb",
        "lcsc": 87074,
        "mfr": "SMAJ5.0A-13-F",
        "package": "SMA",
        "is_basic": false,
        "is_preferred": false,
        "description": "-55\u2103~+150\u2103 400W 43.5A 5V 6.4V 800uA 9.2V TVS Unidirectional SMA ESD and Surge Protection (TVS/ESD) ROHS",
        "stock": 21845,
        "price": 0.1263
      },
      "footprintCorrectionDegrees": 0,
      "assetSha256": {
        "imports/SMAJ5_0A_13_F/SMAJ5_0A_13_F.step": "9d507a1f9e9f0ef4e7bbb988112a275abdf41c7741635596e0d4bc9ed04672a0",
        "imports/SMAJ5_0A_13_F/SMAJ5_0A_13_F.obj": "68a214afbdccef9673fb1de2c32e08c8f78ddc2b0e500c5ab31eefcd158c51f1"
      }
    }
  ],
  "notes": [
    "Original copper footprints are preserved through props overrides.",
    "U1 import footprint is rotated 180 degrees relative to our pin numbering; CAD offset is corrected from 90 to 270 degrees.",
    "D1 stays a diode, with pin 1 cathode and pin 2 anode.",
    "Cad material loader requires inline newmtl/endmtl OBJ blocks."
  ],
  "pcbRecordsCompared": 1221,
  "pcbRecordsIdentical": true
}