TLC59731DR

{
  "slug": "tlc59731dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments LED Drivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "nixie tube driver-led driver",
    "tlc59731dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tlc59731dr.kicad_sym",
    "tlc59731dr.kicad_mod",
    "tlc59731dr.glb",
    "tlc59731dr.step",
    "tlc59731dr.lbr",
    "docs/hero.png",
    "docs/tlc59731dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tlc59731dr-hero.glb",
    "tlc59731dr-hero.overlay.json",
    "tlc59731dr-etched.glb"
  ],
  "component": {
    "mpn": "TLC59731DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Nixie Tube Driver/LED Driver",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tlc59731.pdf",
    "parts": {
      "symbol": "tlc59731dr.kicad_sym",
      "footprint": "tlc59731dr.kicad_mod",
      "model_3d": "tlc59731dr-hero.glb",
      "model_3d_plain": "tlc59731dr-etched.glb",
      "model_3d_step": "tlc59731dr-etched.step",
      "model_3d_step_plain": "tlc59731dr.step",
      "lbr": "tlc59731dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C702091",
      "digikey": "296-40590-2-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:12:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-40590-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT0",
        "type": "output",
        "description": "Sink driver output 0 (up to 50 mA, max 21 V); multiple outputs can be paralleled to increase sink current and each output can have a different voltage applied."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Sink driver output 1 (up to 50 mA, max 21 V); multiple outputs can be paralleled to increase sink current and each output can have a different voltage applied."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "Sink driver output 2 (up to 50 mA, max 21 V); multiple outputs can be paralleled to increase sink current and each output can have a different voltage applied."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "5",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output, rated for 2 mA high/low output current and up to 7.0 V absolute maximum."
      },
      {
        "number": "6",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input, internally pulled down to GND with a 1-MΩ (typical) resistor, with data rate 20 to 600 kHz."
      },
      {
        "number": "7",
        "name": "TEST",
        "type": "passive",
        "description": "TI internal test terminal that must be connected to GND or left open."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power-supply voltage, 3.0 V to 5.5 V without internal shunt regulator mode (up to 6 V in shunt regulator mode, 20 mA max shunt current)."
      }
    ],
    "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: TEST pin has no I/O type in datasheet (listed as —); classified passive as it must be tied to GND or; Operating temperature differs: recommended conditions give -40 to +85 °C, while the orderable addend"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0804,
        "at": "2026-10-22T22:12:41"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tlc59731.pdf",
        "pages": 32,
        "sha256": "5ef2ed639d74e3f8",
        "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": "tlc59731dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tlc59731dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d19a9a828a731538bf90b2c9806d6115f474f65d65f1cb5a53972bb8805d4ab8",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}