MCP2542FDT-E

{
  "slug": "mcp2542fdt-e",
  "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",
    "mcp2542fdt-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp2542fdt-e.kicad_sym",
    "mcp2542fdt-e.kicad_mod",
    "mcp2542fdt-e.glb",
    "mcp2542fdt-e.step",
    "mcp2542fdt-e.lbr",
    "docs/hero.png",
    "docs/mcp2542fdt-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp2542fdt-e-hero.glb",
    "mcp2542fdt-e-hero.overlay.json",
    "mcp2542fdt-e-etched.glb"
  ],
  "component": {
    "mpn": "MCP2542FDT-E",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588909988836216832",
    "parts": {
      "symbol": "mcp2542fdt-e.kicad_sym",
      "footprint": "mcp2542fdt-e.kicad_mod",
      "model_3d": "mcp2542fdt-e-hero.glb",
      "model_3d_plain": "mcp2542fdt-e-etched.glb",
      "model_3d_step": "mcp2542fdt-e-etched.step",
      "model_3d_step_plain": "mcp2542fdt-e.step",
      "lbr": "mcp2542fdt-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C191251"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T22:39:29Z",
      "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: a Low drives CANH and CANL to the Dominant state and a High to Recessive, with an internal pull-up of nominal 33 kΩ to VIO on the MCP2542FD."
      },
      {
        "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 receive data output that is High when the CAN bus is Recessive and Low when Dominant, driven from VIO on the MCP2542FD."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "Supply pin for the digital I/O pins (TXD, RXD and STBY), allowing interfacing with 1.8 V to 5 V I/O."
      },
      {
        "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 selecting Normal or Standby mode, with an internal MOS pull-up to VIO on the MCP2542FD (typical 660 kΩ at 5 V, 1.1 MΩ at 3.3 V, 4.4 MΩ at 1.8 V)."
      }
    ],
    "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: MCP2542FDT-E is listed in the SOIC ordering/marking table (page 25, 'MCP2542FDT-E/SN'), so the 8-lea; The SOIC marking text on page 25 is truncated in the extracted datasheet (e.g. 'MCP2542W'), so the m; Pin 9 (EP, exposed thermal pad) applies only to the DFN/TDFN packages and is not present on the SOIC"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0429,
        "at": "2026-10-20T22:34:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588909988836216832",
        "pages": 40,
        "sha256": "55143672eb0413aa",
        "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": [
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        "file": "mcp2542fdt-e.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": "mcp2542fdt-e-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": "6db2f511bb062f76ffa3b991478d1ef7d7a990dbb505f0f25401eaff13def5f6",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}