AL1666S-13

{
  "slug": "al1666s-13",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated LED Drivers, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "al1666s-13",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "al1666s-13.kicad_sym",
    "al1666s-13.kicad_mod",
    "al1666s-13.glb",
    "al1666s-13.step",
    "al1666s-13.lbr",
    "docs/hero.png",
    "docs/al1666s-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "al1666s-13-hero.glb",
    "al1666s-13-hero.overlay.json",
    "al1666s-13-etched.glb"
  ],
  "component": {
    "mpn": "AL1666S-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SO-8",
    "pin_count": 8,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914194644652033",
    "parts": {
      "symbol": "al1666s-13.kicad_sym",
      "footprint": "al1666s-13.kicad_mod",
      "model_3d": "al1666s-13-hero.glb",
      "model_3d_plain": "al1666s-13-etched.glb",
      "model_3d_step": "al1666s-13-etched.step",
      "model_3d_step_plain": "al1666s-13.step",
      "lbr": "al1666s-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C493503"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:37:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADIM",
        "type": "input",
        "description": "Analog dimming input: a 0 to 2.4V DC signal sets the output current from 1% to 100%, and the absolute maximum voltage to GND is -0.3 to 7 V."
      },
      {
        "number": "2",
        "name": "PWMD",
        "type": "input",
        "description": "PWM signal input for PWM-to-DC dimming, with a low threshold of 0.4 V maximum, a high threshold of 2.0 V minimum, and an absolute maximum voltage to GND of -0.3 to 7 V."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Loop compensation pin, where a CCOMP of 1µF to 2µF is recommended and its startup pre-charge voltage is programmed by RCOMP, with an absolute maximum of -0.3 to 7 V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense pin connected to the source of the primary switch, with an absolute maximum of -0.3 to 7 V to GND and a primary current clamp voltage of 2 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltages in the datasheet are measured with respect to GND."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Gate driver output with an absolute maximum of -0.3 to 20 V and an output clamp voltage of 9.8 V minimum to 15.5 V maximum at VCC = 20 V."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage for the gate driver and control circuits, with a recommended operating range of 8.5 V up to VCC_OVP (minimum 21.8 V) and an absolute maximum of -0.3 to 30 V."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage sensing from the auxiliary winding, with an absolute maximum of -0.3 to 7 V and an FB constant-voltage threshold of 2.86 V to 3.26 V (typical 3.0 V)."
      }
    ],
    "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 names, numbers and functions come from the Pin Descriptions table on page 2. The pin-assignment ; Voltage limits and thresholds in the descriptions come from the Absolute Maximum Ratings (page 3), R"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0706,
        "at": "2026-10-18T07:35:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914194644652033",
        "pages": 16,
        "sha256": "1cd69d9ea65a7de9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "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": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "al1666s-13-etched.step",
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "e16b5241152cb37a6dfb74c6d99f4616035475ff31207c3938254a628cae54a5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}