AL5871QT16E-13

{
  "slug": "al5871qt16e-13",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated LED Drivers, TSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "al5871qt16e-13",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "al5871qt16e-13.kicad_sym",
    "al5871qt16e-13.kicad_mod",
    "al5871qt16e-13.glb",
    "al5871qt16e-13.step",
    "al5871qt16e-13.lbr",
    "docs/hero.png",
    "docs/al5871qt16e-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "al5871qt16e-13-hero.glb",
    "al5871qt16e-13-hero.overlay.json",
    "al5871qt16e-13-etched.glb"
  ],
  "component": {
    "mpn": "AL5871QT16E-13",
    "manufacturer": "Diodes Incorporated",
    "package": "TSSOP-16-EP",
    "pin_count": 17,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AL5871QT16E-13.pdf",
    "parts": {
      "symbol": "al5871qt16e-13.kicad_sym",
      "footprint": "al5871qt16e-13.kicad_mod",
      "model_3d": "al5871qt16e-13-hero.glb",
      "model_3d_plain": "al5871qt16e-13-etched.glb",
      "model_3d_step": "al5871qt16e-13-etched.step",
      "model_3d_step_plain": "al5871qt16e-13.step",
      "lbr": "al5871qt16e-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C6463972",
      "digikey": "31-AL5871QT16E-13TR-ND",
      "mouser": "621-AL5871QT16E-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T17:19:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-AL5871QT16E-13TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-AL5871QT16E-13",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply for the LED driver, 5V to 55V recommended operating range (65V absolute maximum)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "3",
        "name": "PWM",
        "type": "input",
        "description": "PWM signal input, internally pulled down; high above 1.4V enables, low below 0.4V disables, and standby is entered after PWM stays low about 25ms."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for the LED driver."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "11",
        "name": "LED",
        "type": "passive",
        "description": "Connect to the LED string cathode; current sink regulating up to 750mA, rated -0.3V to 65V."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "13",
        "name": "DEN",
        "type": "input",
        "description": "Enable for LED open-circuit detection (enabled above 1.2V, disabled below 1.1V) and thermal fold-back (enabled above 0.3V, disabled below 0.2V)."
      },
      {
        "number": "14",
        "name": "REF",
        "type": "passive",
        "description": "Reference current setting pin; a resistor RREF to ground sets LED current (ILED = 12000 x VREF/RREF, 24kΩ gives 750mA)."
      },
      {
        "number": "15",
        "name": "ADIM",
        "type": "input",
        "description": "Analog dimming input, driven with DC voltage 0.3V to 1.5V; LED current shuts off below 0.15V."
      },
      {
        "number": "16",
        "name": "FAULTB",
        "type": "bidirectional",
        "description": "Open-drain fault report asserted low on UVLO, OTP, LED open or LED short conditions, with internal pullup and input detection for bus sharing."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The Pin Assignments top-view diagram on page 1 extracted as garbled text and appears inconsistent wi; Pin types for LED (current sink) and REF are not stated by the datasheet; classified as passive. FAU; Exposed pad has no pin number in the datasheet; labelled EP."
        ],
        "pages_sent": 15,
        "cost_usd": 0.1661,
        "at": "2026-10-26T17:19:41"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AL5871QT16E-13.pdf",
        "pages": 15,
        "sha256": "7c0ad244f9a165ff",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "al5871qt16e-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "al5871qt16e-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "03309d87d57427ac341d156737aa5a4aa4d2af95b64fe318bc5694530657b501",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}