MCP2003BT-H

{
  "slug": "mcp2003bt-h",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech LIN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "mcp2003bt-h",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp2003bt-h.kicad_sym",
    "mcp2003bt-h.kicad_mod",
    "mcp2003bt-h.glb",
    "mcp2003bt-h.step",
    "mcp2003bt-h.lbr",
    "docs/hero.png",
    "docs/mcp2003bt-h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp2003bt-h-hero.glb",
    "mcp2003bt-h-hero.overlay.json",
    "mcp2003bt-h-etched.glb"
  ],
  "component": {
    "mpn": "MCP2003BT-H",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "LIN Transceivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a6593e96b4e34ba3b368683ec5a502d5.pdf",
    "parts": {
      "symbol": "mcp2003bt-h.kicad_sym",
      "footprint": "mcp2003bt-h.kicad_mod",
      "model_3d": "mcp2003bt-h-hero.glb",
      "model_3d_plain": "mcp2003bt-h-etched.glb",
      "model_3d_step": "mcp2003bt-h-etched.step",
      "model_3d_step_plain": "mcp2003bt-h.step",
      "lbr": "mcp2003bt-h.lbr"
    },
    "distributor_links": {
      "lcsc": "C623154"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T03:57:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RXD",
        "type": "output",
        "description": "Open-drain receive data output that follows the LIN pin state except in Power-Down mode, is high-voltage tolerant, and must be connected to a valid supply through a pull-up resistor."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Chip select TTL input, high-voltage tolerant, with an internal pull-down to ground that must detect a high level to activate the transmitter and should not be tied high."
      },
      {
        "number": "3",
        "name": "WAKE",
        "type": "input",
        "description": "High-voltage tolerant wake-up input with an internal 800 kΩ pull-up to VBB, where a falling edge wakes the device from Power-Down mode into Ready mode."
      },
      {
        "number": "4",
        "name": "TXD",
        "type": "input",
        "description": "High-voltage tolerant TTL transmit data input with an internal pull-up that drives LIN dominant when low and recessive when high, and is forced to 1 whenever the transmitter is disabled."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin for the device; loss of ground causes the LIN pin to become high impedance."
      },
      {
        "number": "6",
        "name": "LBUS",
        "type": "bidirectional",
        "description": "Bidirectional LIN bus pin controlled by TXD with a current-limited open-collector output (short-circuit current limit 50 to 200 mA) and an internal LIN receiver."
      },
      {
        "number": "7",
        "name": "VBB",
        "type": "power_in",
        "description": "Battery positive supply pin, rated for 5.5 V to 30.0 V continuous operation, and requires external reverse-battery and load-dump protection as described in the application notes."
      },
      {
        "number": "8",
        "name": "VREN",
        "type": "output",
        "description": "Open-drain voltage regulator enable output that is pulled high to VBB in all modes except Power-Down and is used to drive an external regulator enable input."
      }
    ],
    "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: The datasheet's Table 1-2 gives the 8-Lead SOIC pin numbers, and the ordering information (page 29) ; Pin types were mapped to the allowed schema classes: RXD and VREN are open-drain outputs and LBUS is; Page 17 gives package marking device codes only for the DFN variants, so the SOIC marking code for M"
        ],
        "pages_sent": 32,
        "cost_usd": 0.0468,
        "at": "2026-10-29T03:56:52"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a6593e96b4e34ba3b368683ec5a502d5.pdf",
        "pages": 32,
        "sha256": "d89c165048b73ca3",
        "source_tier": "mfr"
      },
      "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp2003bt-h-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "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": "bdfa3b3df94906c5b6d86a7c7f6d5c71e7cbdbf764537d20e9731f96133b0652",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}