main
Ray Publish 0.1.0 0b0b50c 17d ago
{
  "slug": "mcp41hv51-104e",
  "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",
    "data acquisition",
    "mcp41hv51-104e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp41hv51-104e.kicad_sym",
    "mcp41hv51-104e.kicad_mod",
    "mcp41hv51-104e.glb",
    "mcp41hv51-104e.step",
    "mcp41hv51-104e.lbr",
    "docs/hero.png",
    "docs/mcp41hv51-104e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp41hv51-104e-hero.glb",
    "mcp41hv51-104e-hero.overlay.json",
    "mcp41hv51-104e-etched.glb"
  ],
  "component": {
    "mpn": "MCP41HV51-104E",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882322477629440",
    "parts": {
      "symbol": "mcp41hv51-104e.kicad_sym",
      "footprint": "mcp41hv51-104e.kicad_mod",
      "model_3d": "mcp41hv51-104e-hero.glb",
      "model_3d_plain": "mcp41hv51-104e-etched.glb",
      "model_3d_step": "mcp41hv51-104e-etched.step",
      "model_3d_step_plain": "mcp41hv51-104e.step",
      "lbr": "mcp41hv51-104e.lbr"
    },
    "distributor_links": {
      "lcsc": "C148046"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:42:48Z",
      "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 referenced to DGND, operating from 1.8V to 5.5V, with a decoupling capacitor to DGND recommended and performance outside specification below VL 2.7V (Vmin)."
      },
      {
        "number": "2",
        "name": "SCK",
        "type": "input",
        "description": "SPI serial clock input with Schmitt trigger, input-only because the device is an SPI slave."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Serial interface chip select input with Schmitt trigger, where forcing CS to VIL enables serial commands."
      },
      {
        "number": "4",
        "name": "SDI",
        "type": "input",
        "description": "SPI serial data input with Schmitt trigger, connected to the host controller SDO pin."
      },
      {
        "number": "5",
        "name": "SDO",
        "type": "output",
        "description": "SPI serial data output used to read the Wiper and TCON registers or monitor the command error bit, connected to the host controller SDI pin."
      },
      {
        "number": "6",
        "name": "WLAT",
        "type": "input",
        "description": "Wiper latch enable input with Schmitt trigger, where 0 transfers the received SPIBUF value to the wiper register and 1 holds the received data in SPIBUF."
      },
      {
        "number": "7",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input with Schmitt trigger that forces the resistor network terminals into the hardware shutdown state."
      },
      {
        "number": "8",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the device, to which VL is referenced."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin not internally connected to the die; to reduce noise coupling, connect to either DGND or VL."
      },
      {
        "number": "10",
        "name": "V-",
        "type": "power_in",
        "description": "Analog negative supply voltage that must not have a higher potential than the DGND pin."
      },
      {
        "number": "11",
        "name": "P0B",
        "type": "bidirectional",
        "description": "Potentiometer 0 Terminal B, the fixed connection to the zero-scale wiper value (0x00), which can carry positive or negative current with voltage between V+ and V-."
      },
      {
        "number": "12",
        "name": "P0W",
        "type": "bidirectional",
        "description": "Potentiometer 0 wiper terminal, which can carry positive or negative current with voltage that must be between V+ and V-."
      },
      {
        "number": "13",
        "name": "P0A",
        "type": "bidirectional",
        "description": "Potentiometer 0 Terminal A, the fixed connection to the full-scale wiper value (0xFF for 8-bit or 0x7F for 7-bit), which can carry positive or negative current with voltage between V+ and V-."
      },
      {
        "number": "14",
        "name": "V+",
        "type": "power_in",
        "description": "Analog positive supply voltage that must be higher than V-, with analog operating range of 10V to 36V for specified performance and a maximum of +36V."
      }
    ],
    "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 1 VL is printed as '11' in the Table 3-1 text extraction; read as TSSOP pin 1 (VL), consistent w; Ordering code MCP41HV51-104E/ST (marking 41H51104) is the TSSOP-14 variant, so the TSSOP column of T; Table 3-1 lists TSSOP pin 9 as NC; the VQFN NC pins 8, 9, 10, 17-20 map differently and were not use"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0961,
        "at": "2026-10-19T02:42:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882322477629440",
        "pages": 92,
        "sha256": "06025745f8b9bc3f",
        "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"
    },
    "models_3d": [
      {
        "file": "mcp41hv51-104e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp41hv51-104e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a83570ac3d8be4f523cf4570321600270bc6ddd921fd52938c30b6b3ffe99d18",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}