MCP2561-H

{
  "slug": "mcp2561-h",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech CAN ICs, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "mcp2561-h",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp2561-h.kicad_sym",
    "mcp2561-h.kicad_mod",
    "mcp2561-h.glb",
    "mcp2561-h.step",
    "mcp2561-h.lbr",
    "docs/hero.png",
    "docs/mcp2561-h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp2561-h-hero.glb",
    "mcp2561-h-hero.overlay.json",
    "mcp2561-h-etched.glb"
  ],
  "component": {
    "mpn": "MCP2561-H",
    "manufacturer": "Microchip Tech",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "CAN ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0b957810d1fe4cbf9d9a26f9e89bbfbe.pdf",
    "parts": {
      "symbol": "mcp2561-h.kicad_sym",
      "footprint": "mcp2561-h.kicad_mod",
      "model_3d": "mcp2561-h-hero.glb",
      "model_3d_plain": "mcp2561-h-etched.glb",
      "model_3d_step": "mcp2561-h-etched.step",
      "model_3d_step_plain": "mcp2561-h.step",
      "lbr": "mcp2561-h.lbr"
    },
    "distributor_links": {
      "lcsc": "C640344"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T09:51:07Z",
      "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 the bus Dominant, high Recessive, with an internal ~33 kΩ pull-up to VDD (MCP2561)."
      },
      {
        "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": "Receive Data Output, CMOS-compatible, high when the CAN bus is Recessive and low when Dominant, supplied by VDD in the MCP2561."
      },
      {
        "number": "5",
        "name": "SPLIT",
        "type": "output",
        "description": "Common mode stabilization reference voltage output (VDD/2), active only in Normal mode and floating in Standby mode or when VDD is off (MCP2561 only)."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CAN Low-Level Voltage I/O that drives the low side of the differential bus, tied to the receive comparator and disconnected from the bus when unpowered."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CAN High-Level Voltage I/O that drives the high side of the differential bus, tied to the receive comparator and disconnected from the bus when unpowered."
      },
      {
        "number": "8",
        "name": "STBY",
        "type": "input",
        "description": "Standby Mode Input selecting Normal (low) or Standby (high) mode, with an internal MOS pull-up to VDD of typically 660 kΩ at 5V, 1.1 MΩ at 3.3V and 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-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 datasheet covers both MCP2561 and MCP2562. The MCP2561-H part has SPLIT on pin 5 (the MCP2562 ha; The datasheet text does not state pin types. These were inferred from the described functions: SPLIT; The TXD description comes from the page 5 text, but the source_page is given as 4, which is the pin "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0728,
        "at": "2026-10-27T09:50:43"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0b957810d1fe4cbf9d9a26f9e89bbfbe.pdf",
        "pages": 30,
        "sha256": "c36b24e45446d8a1",
        "source_tier": "mfr"
      },
      "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
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          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp2561-h-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
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        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2a11572e42b8b4d1e8f582d1464b59af88d99137ca3c27aa074b9f1e59f9e429",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}