AL8861Y-13

{
  "schema_version": 1,
  "type": "component",
  "slug": "al8861y-13",
  "title": "AL8861Y-13",
  "brief": "Diodes Incorporated LED Drivers, SOT-89-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "al8861y-13"
  ],
  "component": {
    "mpn": "AL8861Y-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-89-5",
    "pin_count": 5,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AL8861Y-13.pdf",
    "parts": {
      "symbol": "al8861y-13.kicad_sym",
      "footprint": "al8861y-13.kicad_mod",
      "model_3d": "al8861y-13-etched.glb",
      "model_3d_plain": "al8861y-13.glb",
      "model_3d_step": "al8861y-13-etched.step",
      "model_3d_step_plain": "al8861y-13.step",
      "lbr": "al8861y-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C507867"
    },
    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "Drain of the internal 40V NDMOS switching MOSFET. Connect to the inductor/freewheel-diode node of the buck power stage. RDS(on) ~0.2Ω, peak inductor current limit 2A."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground (0V) reference for the internal regulator and control circuitry."
      },
      {
        "number": "3",
        "name": "VSET",
        "type": "input",
        "description": "Multi-function on/off and brightness control input. Floats internally to ~4.5V via a 1.4µA source; drive <0.2V to shut down, 0.3-2.5V DC for 0-100% analog dimming (5-100% recommended), or apply PWM (f<500Hz, 1-100% duty) via an open-drain transistor. A capacitor to GND sets soft-start (default 0.1ms, ~1.5ms per nF). Absolute max 6V."
      },
      {
        "number": "4",
        "name": "ISENSE",
        "type": "input",
        "description": "High-side current-sense input. Connect sense resistor RS between VIN and this pin to program the nominal average LED current: IOUT(NOM) = 0.1V / RS (100mV mean sense threshold, ±13% hysteresis)."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply, 4.5V to 40V (absolute max 42V). Decouple to GND with a ≥10µF X7R ceramic capacitor placed close to the device."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AL8861Y-13.pdf",
        "pages": 18,
        "sha256": "b1b15e2023cebf87",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.85,
        -1.5
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-89-5@sha256:9abcedfc1a89eea0",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "al8861y-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.2,
          4.5,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5bf9133f79d12f58c4da043d3892ba5cec700de6f3255a5358e7ec3200be4733",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "al8861y-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.2,
          4.5,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "572086fcdebb4e1d2bdcbfb741ec60b163718a2cd290a7afbf2a26ca2dd25037",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-89-5",
      "Category": "LED-drv",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "al8861y-13"
  ],
  "discovery_pitch": "AL8861Y-13 (Diodes Incorporated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "al8861y-13.kicad_sym",
    "al8861y-13.kicad_mod",
    "al8861y-13.glb",
    "al8861y-13.step",
    "al8861y-13-etched.step",
    "al8861y-13.lbr",
    "docs/hero.png",
    "docs/al8861y-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "updated_at": "2026-09-24T16:16:04.091Z"
}