MCP45HV51-103E

{
  "slug": "mcp45hv51-103e",
  "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",
    "mcp45hv51-103e",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "mcp45hv51-103e-hero.overlay.json",
    "mcp45hv51-103e-etched.glb"
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  "component": {
    "mpn": "MCP45HV51-103E",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MSLD/ProductDocuments/DataSheets/MCP45HVX1-Data-Sheet-DS20005304.pdf",
    "parts": {
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      "lbr": "mcp45hv51-103e.lbr"
    },
    "distributor_links": {
      "lcsc": "C637117"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:11:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VL",
        "type": "power_in",
        "description": "Positive digital power supply input, relative to DGND, ranging from 1.8V to 5.5V, with a decoupling capacitor to DGND recommended."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input, input-only for the I2C client device, with a Schmitt-trigger buffer."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "input",
        "description": "I2C address bit 1 input, which together with A0 sets the device address so up to four devices can share one I2C bus."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data pin, an open-drain N-channel driver that carries data in and out for the wiper and TCON registers."
      },
      {
        "number": "5",
        "name": "A0",
        "type": "input",
        "description": "I2C address bit 0 input, latched at POR/BOR, which together with A1 completes the device address."
      },
      {
        "number": "6",
        "name": "WLAT",
        "type": "input",
        "description": "Wiper latch enable that holds off transfer of the received wiper value to the Wiper register while held high and allows the update when low."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected to the die; to reduce noise coupling, connect to either DGND or VL."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input that forces the resistor network terminals into the hardware shutdown state."
      },
      {
        "number": "9",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the device, with VL and the digital logic referenced to it."
      },
      {
        "number": "10",
        "name": "V-",
        "type": "power_in",
        "description": "Analog negative potential supply, which must be lower than or equal to the DGND pin potential."
      },
      {
        "number": "11",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer 0 Terminal B, the fixed connection to the zero-scale wiper value, with voltage that must be between V+ and V-."
      },
      {
        "number": "12",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer 0 wiper terminal, the adjustable terminal, with voltage that must be between V+ and V- and supporting both positive and negative current."
      },
      {
        "number": "13",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer 0 Terminal A, the fixed connection to the full-scale wiper value, with voltage that must be between V+ and V-."
      },
      {
        "number": "14",
        "name": "V+",
        "type": "power_in",
        "description": "Analog positive potential supply, which must have a higher potential than the V- pin."
      }
    ],
    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 25,
        "cost_usd": 0.0015,
        "at": "2026-10-27T01:10:55"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/aemDocuments/documents/MSLD/ProductDocuments/DataSheets/MCP45HVX1-Data-Sheet-DS20005304.pdf",
        "pages": 102,
        "sha256": "18feae380a4045ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}