MCP4631-103E

{
  "slug": "mcp4631-103e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Digital Potentiometers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "mcp4631-103e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
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    "mcp4631-103e.kicad_mod",
    "mcp4631-103e.glb",
    "mcp4631-103e.step",
    "mcp4631-103e.lbr",
    "docs/hero.png",
    "docs/mcp4631-103e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "mcp4631-103e-hero.overlay.json",
    "mcp4631-103e-etched.glb"
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  "component": {
    "mpn": "MCP4631-103E",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/119d1f868bb0428d90f58d0a45154443.pdf",
    "parts": {
      "symbol": "mcp4631-103e.kicad_sym",
      "footprint": "mcp4631-103e.kicad_mod",
      "model_3d": "mcp4631-103e-hero.glb",
      "model_3d_plain": "mcp4631-103e-etched.glb",
      "model_3d_step": "mcp4631-103e-etched.step",
      "model_3d_step_plain": "mcp4631-103e.step",
      "lbr": "mcp4631-103e.lbr"
    },
    "distributor_links": {
      "lcsc": "C637121"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:00:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HVC/A0",
        "type": "input",
        "description": "Address 0 input for the I2C interface, latched at POR/BOR, which also acts as the High Voltage command pin when driven to VIHH; it is a high-voltage tolerant input with Schmitt trigger."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input, high-voltage tolerant with Schmitt trigger, accepting only external clock signals as the slave device."
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output implemented as an open-drain N-channel driver, high-voltage tolerant with Schmitt trigger."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground reference, to which the VDD supply is referenced."
      },
      {
        "number": "5",
        "name": "P1B",
        "type": "passive",
        "description": "Potentiometer 1 Terminal B analog pin; voltage must be between VSS and VDD and it supports both positive and negative current."
      },
      {
        "number": "6",
        "name": "P1W",
        "type": "passive",
        "description": "Potentiometer 1 Wiper Terminal analog pin; voltage must be between VSS and VDD and it supports both positive and negative current."
      },
      {
        "number": "7",
        "name": "P1A",
        "type": "passive",
        "description": "Potentiometer 1 Terminal A analog pin; voltage must be between VSS and VDD and it supports both positive and negative current."
      },
      {
        "number": "8",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer 0 Terminal A analog pin; voltage must be between VSS and VDD and it supports both positive and negative current."
      },
      {
        "number": "9",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer 0 Wiper Terminal analog pin; voltage must be between VSS and VDD and it supports both positive and negative current."
      },
      {
        "number": "10",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer 0 Terminal B analog pin; voltage must be between VSS and VDD and it supports both positive and negative current."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; these pins should be connected to either VDD or VSS."
      },
      {
        "number": "12",
        "name": "A2",
        "type": "input",
        "description": "I2C interface Address 2 input, high-voltage tolerant with Schmitt trigger, used with A1 and A0 to set the device address on the bus."
      },
      {
        "number": "13",
        "name": "A1",
        "type": "input",
        "description": "I2C interface Address 1 input, high-voltage tolerant with Schmitt trigger, used with A2 and A0 to set the device address on the bus."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input referenced to VSS; electrical performance may not meet data sheet specifications while VDD is below Vmin (2.7V)."
      }
    ],
    "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: Pin numbers for the 14-lead TSSOP were taken from the 14L column of Table 3-1 (page 33), which is th; Section 3.9 (page 34) describes pin A1 as 'The A2 pin is the I2C interface's Address 1 pin', which a"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0226,
        "at": "2026-10-28T15:59:57"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/119d1f868bb0428d90f58d0a45154443.pdf",
        "pages": 102,
        "sha256": "ee77464c39584a73",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "mcp4631-103e.step",
        "role": "plain",
        "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": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "030f39fe363aa1555c89d7cf3e449420379aa9ac66023271d1d0e531daa84edf",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}