MCP4551T-103E

{
  "slug": "mcp4551t-103e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Digital Potentiometers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "mcp4551t-103e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp4551t-103e.kicad_sym",
    "mcp4551t-103e.kicad_mod",
    "mcp4551t-103e.glb",
    "mcp4551t-103e.step",
    "mcp4551t-103e.lbr",
    "docs/hero.png",
    "docs/mcp4551t-103e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp4551t-103e-hero.glb",
    "mcp4551t-103e-hero.overlay.json",
    "mcp4551t-103e-etched.glb"
  ],
  "component": {
    "mpn": "MCP4551T-103E",
    "manufacturer": "Microchip Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/119d1f868bb0428d90f58d0a45154443.pdf",
    "parts": {
      "symbol": "mcp4551t-103e.kicad_sym",
      "footprint": "mcp4551t-103e.kicad_mod",
      "model_3d": "mcp4551t-103e-hero.glb",
      "model_3d_plain": "mcp4551t-103e-etched.glb",
      "model_3d_step": "mcp4551t-103e-etched.step",
      "model_3d_step_plain": "mcp4551t-103e.step",
      "lbr": "mcp4551t-103e.lbr"
    },
    "distributor_links": {
      "lcsc": "C627285"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:13:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 887 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HVC/A0",
        "type": "input",
        "description": "High Voltage Command / Address 0 input, latched at POR/BOR as the A0 address bit and, when at VIHH, marks the I2C command as a High Voltage command; high-voltage tolerant Schmitt-trigger input with smart pull-up."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input from the host controller (slave device accepts only external clocks); high-voltage tolerant Schmitt-trigger input."
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data I/O with open-drain N-channel output driver; high-voltage tolerant Schmitt-trigger input."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer 0 terminal A, the fixed full-scale connection (wiper value 0x100 for 8-bit); voltage must be between VSS and VDD and the pin has no polarity."
      },
      {
        "number": "6",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer 0 wiper terminal; voltage must be between VSS and VDD and the pin has no polarity."
      },
      {
        "number": "7",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer 0 terminal B, the fixed zero-scale connection (wiper value 0x00); voltage must be between VSS and VDD and the pin has no polarity."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input relative to VSS; 2.7V to 5.5V specified, 1.8V to 5.5V device operation."
      }
    ],
    "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: Pin column was chosen from Table 3-1 as 8L Single Potentiometer (MCP4551 is a potentiometer, MSOP-8); The datasheet text covers MCP4551 generally; the 'T' suffix (tape and reel) and the -103E option (10"
        ],
        "pages_sent": 18,
        "cost_usd": 0.1268,
        "at": "2026-10-23T18:12:51"
      },
      "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": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mcp4551t-103e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp4551t-103e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1e2a56da6d4bcbf49b47189f8a140d6cdb347de53e1ff19cf7bd6a52e86dbb58",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}