MCP2557FD-H

{
  "slug": "mcp2557fd-h",
  "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",
    "interface ics",
    "mcp2557fd-h",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "mcp2557fd-h.kicad_sym",
    "mcp2557fd-h.kicad_mod",
    "mcp2557fd-h.glb",
    "mcp2557fd-h.step",
    "mcp2557fd-h.lbr",
    "docs/hero.png",
    "docs/mcp2557fd-h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp2557fd-h-hero.glb",
    "mcp2557fd-h-hero.overlay.json",
    "mcp2557fd-h-etched.glb"
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  "component": {
    "mpn": "MCP2557FD-H",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "CAN ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1629071e67024481b9675a8a4777a139.pdf",
    "parts": {
      "symbol": "mcp2557fd-h.kicad_sym",
      "footprint": "mcp2557fd-h.kicad_mod",
      "model_3d": "mcp2557fd-h-hero.glb",
      "model_3d_plain": "mcp2557fd-h-etched.glb",
      "model_3d_step": "mcp2557fd-h-etched.step",
      "model_3d_step_plain": "mcp2557fd-h.step",
      "lbr": "mcp2557fd-h.lbr"
    },
    "distributor_links": {
      "lcsc": "C129258"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:10:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 887 calls left today"
      },
      "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 is Recessive, with an internal nominal 33 kΩ pull-up to VDD."
      },
      {
        "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 (and the digital I/O in the MCP2557FD)."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "CMOS-compatible receive data output, High when the bus is Recessive and Low when Dominant, driven to VDD and requiring a 5V tolerant MCU input."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect; this pin can be left open or connected to VSS."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CAN Low-level voltage I/O that drives the low side of the differential bus and disconnects from the bus when the device is unpowered."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CAN High-level voltage I/O that drives the high side of the differential bus and disconnects from the bus when the device is unpowered."
      },
      {
        "number": "8",
        "name": "S",
        "type": "input",
        "description": "Silent mode input selecting Normal or Silent mode (transmitter off, receiver active), with an internal MOS pull-up to VDD of typically 660 kΩ at 5V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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: The SOIC package drawing pages (SN) are not in the provided text; the SOIC-8 pinout comes from the p"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0755,
        "at": "2026-10-23T18:10:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1629071e67024481b9675a8a4777a139.pdf",
        "pages": 36,
        "sha256": "cf1d404e4b3aaf8a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "4ab576d53b541d1043e0d46aaeeffdafc88e4c636e0c18c7b610aaed6aa1b526",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}