MCP2542FD-H

{
  "slug": "mcp2542fd-h",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech CAN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "mcp2542fd-h",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp2542fd-h.kicad_sym",
    "mcp2542fd-h.kicad_mod",
    "mcp2542fd-h.glb",
    "mcp2542fd-h.step",
    "mcp2542fd-h.lbr",
    "docs/hero.png",
    "docs/mcp2542fd-h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp2542fd-h-hero.glb",
    "mcp2542fd-h-hero.overlay.json",
    "mcp2542fd-h-etched.glb"
  ],
  "component": {
    "mpn": "MCP2542FD-H",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838557692268544",
    "parts": {
      "symbol": "mcp2542fd-h.kicad_sym",
      "footprint": "mcp2542fd-h.kicad_mod",
      "model_3d": "mcp2542fd-h-hero.glb",
      "model_3d_plain": "mcp2542fd-h-etched.glb",
      "model_3d_step": "mcp2542fd-h-etched.step",
      "model_3d_step_plain": "mcp2542fd-h.step",
      "lbr": "mcp2542fd-h.lbr"
    },
    "distributor_links": {
      "lcsc": "C635949"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:15:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit Data Input: when low, CANH and CANL are driven dominant; when high, they are recessive unless another node drives the bus dominant, with an internal pull-up of nominal 33 kΩ to VIO on this device."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage pin that supplies the transmitter and receiver, including the wake-up receiver."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "CMOS-compatible receiver data output that is high when the CAN bus is recessive and low when dominant, driven from VIO on this device."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "Supply for the digital I/O pins (TXD, RXD, STBY) that sets their logic levels for 1.8V to 5V I/O on this device (pin is NC on the MCP2544FD/MCP2544WFDT)."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CAN Low-level voltage I/O that drives the low side of the CAN differential bus and disconnects from the bus when the device is not powered."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CAN High-level voltage I/O that drives the high side of the CAN differential bus and disconnects from the bus when the device is not powered."
      },
      {
        "number": "8",
        "name": "STBY",
        "type": "input",
        "description": "Standby mode input that selects Normal or Standby mode, with an internal MOS pull-up to VIO (typical 660 kΩ at 5V, 1.1 MΩ at 3.3V, 4.4 MΩ at 1.8V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 5 is VIO for the MCP2542FD SOIC variant but is NC on the MCP2544FD/MCP2544WFDT; the MPN MCP2542F"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0547,
        "at": "2026-10-20T17:13:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838557692268544",
        "pages": 44,
        "sha256": "484a6f42b22dcf87",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mcp2542fd-h.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp2542fd-h-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6e0d36b6475a632b2f730a47ba987c7c8a232a515b1353ed0731abdd810303c4",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}