al8860qmp-13

{
  "slug": "al8860qmp-13",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated LED Drivers, MSOP-8-EP. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led-drv",
    "al8860qmp-13"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "al8860qmp-13.kicad_sym",
    "al8860qmp-13.kicad_mod",
    "al8860qmp-13.glb",
    "al8860qmp-13.step",
    "al8860qmp-13.lbr",
    "docs/hero.png",
    "docs/al8860qmp-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "al8860qmp-13-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "AL8860QMP-13",
    "manufacturer": "Diodes Incorporated",
    "package": "MSOP-8-EP",
    "pin_count": 9,
    "category": "LED Drivers",
    "parts": {
      "symbol": "al8860qmp-13.kicad_sym",
      "footprint": "al8860qmp-13.kicad_mod",
      "model_3d": "al8860qmp-13-etched.glb",
      "model_3d_plain": "al8860qmp-13.glb",
      "model_3d_step": "al8860qmp-13-etched.step",
      "model_3d_step_plain": "al8860qmp-13.step",
      "lbr": "al8860qmp-13.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "SET",
        "type": "input",
        "description": "Current-sense/set input. Connect resistor RS from this pin to VIN to define nominal average output current: IOUT_NOM = 0.1V / RS. Absolute maximum voltage -0.3V to 42V; typical SET pin input current 8µA at VSET = VIN - 0.1V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Pin 2 is the primary thermal/conductive ground path - most of the AL8860Q's heat is conducted through this pin; use a large earth plane with thermal vias."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return (second GND pin). Tie to the same low-impedance ground plane as pin 2."
      },
      {
        "number": "4",
        "name": "CTRL",
        "type": "input",
        "description": "Multi-function on/off and brightness control. Leave floating for normal operation. Drive below 0.2V to turn output off (shutdown). DC voltage 0.3V-2.5V provides linear analog dimming from 5% to 100% of IOUT_NOM. PWM drive (open-drain/open-collector or 3.3V logic, f < 500Hz recommended) gives 1%-100% dimming. A capacitor to GND extends soft-start time (default 0.1ms; additional ≈1.5ms per nF). Absolute max -0.3V to 6V; keep below 5V for normal operation (>5V enters test mode)."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Switching node. Drain of the internal 40V NDMOS power switch. Connect to the external inductor and freewheeling Schottky diode anode. On-resistance RON ≈ 0.2Ω at ISW = 100mA; leakage ≤ 5µA. Absolute max -0.3V to 42V."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switching node (second SW pin, internally tied to pin 5). Drain of the internal NDMOS switch; parallel with pin 5 for current handling."
      },
      {
        "number": "7",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connection. Leave floating or tie to a non-conductive area on the PCB."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 4.5V to 40V (absolute max 42V). Decouple to GND with a 10µF or higher X7R (or X5R) ceramic capacitor placed as close as possible to the device. Internal regulator startup threshold ≈ 3.8V-4.5V."
      },
      {
        "number": "EP",
        "name": "EP",
        "type": "passive",
        "description": "Exposed thermal pad on the package underside. Connect to GND and to a copper thermal mass for enhanced thermal impedance (θJA = 56°C/W, θJC = 15°C/W). Not intended as an electrical ground conduction path - use the GND pins for current return.",
        "thermal_pad": true
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "al8860qmp-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": "al8860qmp-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": "c8a8c1643a11762f5e6563b19eb048dd99a25fbf81cbf5a43acd6440ea6f251d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}