MCP2542WFD-E

{
  "slug": "mcp2542wfd-e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech CAN ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "mcp2542wfd-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp2542wfd-e.kicad_sym",
    "mcp2542wfd-e.kicad_mod",
    "mcp2542wfd-e.glb",
    "mcp2542wfd-e.step",
    "mcp2542wfd-e.lbr",
    "docs/hero.png",
    "docs/mcp2542wfd-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp2542wfd-e-hero.glb",
    "mcp2542wfd-e-hero.overlay.json",
    "mcp2542wfd-e-etched.glb"
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  "component": {
    "mpn": "MCP2542WFD-E",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "CAN ICs",
    "datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP2542FD-MCP2542WFD-4WFD-Data-Sheet-DS20005514C.pdf",
    "parts": {
      "symbol": "mcp2542wfd-e.kicad_sym",
      "footprint": "mcp2542wfd-e.kicad_mod",
      "model_3d": "mcp2542wfd-e-hero.glb",
      "model_3d_plain": "mcp2542wfd-e-etched.glb",
      "model_3d_step": "mcp2542wfd-e-etched.step",
      "model_3d_step_plain": "mcp2542wfd-e.step",
      "lbr": "mcp2542wfd-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C635950"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:16:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input from the CAN controller; low drives CANH/CANL Dominant, high Recessive, with an internal nominal 33 kΩ pull-up to VIO."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage pin supplying the transmitter and receiver, including the wake-up receiver."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "CMOS-compatible receive data output driven to VIO, high when the bus is Recessive and low when Dominant."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "Digital I/O supply pin for TXD, RXD and STBY, enabling interfacing to MCUs with 1.8V to 5V I/O."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CAN Low-level voltage I/O driving the low side of the differential bus and tied to the receive comparator; disconnects from the bus when unpowered."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CAN High-level voltage I/O driving the high side of the differential bus and tied to the receive comparator; disconnects from the bus when unpowered."
      },
      {
        "number": "8",
        "name": "STBY",
        "type": "input",
        "description": "Standby mode input selecting Normal or Standby mode, with an internal MOS pull-up to VIO (typically 660 kΩ at 5V, 1.1 MΩ at 3.3V, 4.4 MΩ at 1.8V)."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: MPN suffix -E has no package code; the SOIC (SN) variant pinout was used per the package hint. The M"
        ],
        "pages_sent": 18,
        "cost_usd": 0.1013,
        "at": "2026-10-27T07:16:30"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP2542FD-MCP2542WFD-4WFD-Data-Sheet-DS20005514C.pdf",
        "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": {
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      "footprint": "viewers/footprint.html"
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "022be39d00deafab32ca8c412a65800fed7559a938464105f39c038b7f6b5608",
        "checked": "2026-10-27",
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  }
}