MCP45HV51-104E

{
  "schema_version": 1,
  "type": "component",
  "slug": "mcp45hv51-104e",
  "title": "MCP45HV51-104E",
  "brief": "Microchip Tech Digital Potentiometers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "adc-dac-data conversion",
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  "component": {
    "mpn": "MCP45HV51-104E",
    "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": {
      "symbol": "mcp45hv51-104e.kicad_sym",
      "footprint": "mcp45hv51-104e.kicad_mod",
      "model_3d": "mcp45hv51-104e-hero.glb",
      "model_3d_plain": "mcp45hv51-104e-etched.glb",
      "model_3d_step": "mcp45hv51-104e-etched.step",
      "model_3d_step_plain": "mcp45hv51-104e.step",
      "lbr": "mcp45hv51-104e.lbr"
    },
    "distributor_links": {
      "lcsc": "C637118"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:23:12Z",
      "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; a decoupling capacitor to DGND is recommended."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input (Schmitt trigger), connected to the host controller's SCL; the device is an I2C client so this is input-only."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "input",
        "description": "I2C address bit 1 input (Schmitt trigger); with A0 allows up to four devices on one I2C bus."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output (Schmitt trigger) with an open-drain N-channel driver, used to read and write the Wiper and TCON registers."
      },
      {
        "number": "5",
        "name": "A0",
        "type": "input",
        "description": "I2C address bit 0 input (Schmitt trigger), latched at POR/BOR; with A1 completes the device address."
      },
      {
        "number": "6",
        "name": "WLAT",
        "type": "input",
        "description": "Wiper latch enable input: 0 transfers the received I2C shift register value to the Wiper register, 1 holds the received value in the shift register buffer."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected to the die; to reduce noise coupling, connect to DGND or VL."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input (Schmitt trigger) 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."
      },
      {
        "number": "10",
        "name": "V-",
        "type": "power_in",
        "description": "Analog negative potential supply; must be lower than or equal to the DGND potential."
      },
      {
        "number": "11",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer 0 Terminal B (zero-scale wiper end, code 0x00), non-polarized, supports positive and negative current, voltage must be between V+ and V-."
      },
      {
        "number": "12",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer 0 wiper terminal, non-polarized, supports positive and negative current, voltage must be between V+ and V-."
      },
      {
        "number": "13",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer 0 Terminal A (full-scale wiper end, 0xFF for 8-bit), non-polarized, supports positive and negative current, voltage must be between V+ and V-."
      },
      {
        "number": "14",
        "name": "V+",
        "type": "power_in",
        "description": "Analog positive supply voltage; must be at a higher potential than the V- pin (maximum 36V analog range)."
      }
    ],
    "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: Table 3-1 text for the VL row is garbled (\"11 VL\"); pin 1 for TSSOP was inferred from the package fi; Pin types for P0A/P0B/P0W are listed as analog I/O in the datasheet; mapped to passive as resistor t"
        ],
        "pages_sent": 25,
        "cost_usd": 0.1822,
        "at": "2026-10-23T12:22:52"
      },
      "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "file": "mcp45hv51-104e.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp45hv51-104e-etched.step",
        "role": "eda",
        "up": "Z",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "26af960eb25139f8b757dc12d1eddef5679d1c1076e5032537be83c3e4dddfe0",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TSSOP-14",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
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  "discovery_triggers": [
    "mcp45hv51-104e"
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  "discovery_pitch": "MCP45HV51-104E (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "viewers/symbol.html",
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  "visibility": {
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}