AL8861QMP-13

{
  "schema_version": 1,
  "type": "component",
  "slug": "al8861qmp-13",
  "title": "AL8861QMP-13",
  "brief": "Diodes Incorporated LED Drivers, MSOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "al8861qmp-13"
  ],
  "component": {
    "mpn": "AL8861QMP-13",
    "manufacturer": "Diodes Incorporated",
    "package": "MSOP-8-EP",
    "pin_count": 9,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2108071630_Diodes-Incorporated-AL8861QMP-13_C2678638.pdf",
    "parts": {
      "symbol": "al8861qmp-13.kicad_sym",
      "footprint": "al8861qmp-13.kicad_mod",
      "model_3d": "al8861qmp-13-etched.glb",
      "model_3d_plain": "al8861qmp-13.glb",
      "model_3d_step": "al8861qmp-13-etched.step",
      "model_3d_step_plain": "al8861qmp-13.step",
      "lbr": "al8861qmp-13.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense input. Connect resistor RS from this pin to VIN to define nominal average output current (IOUT_NOM = 0.1/RS). Mean current-sense threshold is 100mV typical."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0V) reference."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0V) reference."
      },
      {
        "number": "4",
        "name": "VSET",
        "type": "input",
        "description": "Multi-function On/Off, brightness control and soft-start pin. Float for normal operation; drive <0.2V to shut down; DC voltage 0.3V-2.5V for analog dimming (5%-100% of IOUT_NOM); PWM drive (for f<500Hz) for 1%-100% linear dimming; a capacitor to GND sets soft-start time (~1.5ms/nF, default 0.1ms)."
      },
      {
        "number": "5",
        "name": "LX",
        "type": "output",
        "description": "Drain of internal 40V NDMOS switch. Switching node connecting to inductor/freewheeling diode; RDS(on) ~0.2Ω, current limit 2A typ."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "output",
        "description": "Drain of internal 40V NDMOS switch. Parallel-bonded with pin 5 for current-carrying capability."
      },
      {
        "number": "7",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connection. Leave floating."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply (4.5V to 40V, absolute max 42V). Decouple to GND with a 10µF or larger X7R ceramic capacitor placed close to the device."
      },
      {
        "number": "EP",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed thermal pad. Connect to GND and thermal mass for enhanced thermal impedance. Should not be used as an electrical ground conduction path."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2108071630_Diodes-Incorporated-AL8861QMP-13_C2678638.pdf",
        "pages": 15,
        "sha256": "c6a5a3dadc3a438c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "al8861qmp-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.96
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "43252be3beac8fd30ca9bfeb82a613fa01d5dffff9b22810c13a4655daafb5ee",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "al8861qmp-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.96
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b9e05fd3767c4954c9611c9552fb6d5bfce19a60d29ec2856c0608d154d49c92",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "MSOP-8-EP",
      "Category": "LED-drv",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "al8861qmp-13"
  ],
  "discovery_pitch": "AL8861QMP-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",
    "al8861qmp-13.kicad_sym",
    "al8861qmp-13.kicad_mod",
    "al8861qmp-13.glb",
    "al8861qmp-13.step",
    "al8861qmp-13.lbr",
    "docs/hero.png",
    "docs/al8861qmp-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "al8861qmp-13-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "AL8861QMP-13",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T16:15:56.028Z"
}