AL1663RS-13

{
  "schema_version": 1,
  "type": "component",
  "slug": "al1663rs-13",
  "title": "AL1663RS-13",
  "brief": "Diodes Incorporated LED Drivers, SO-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "al1663rs-13"
  ],
  "component": {
    "mpn": "AL1663RS-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SO-8",
    "pin_count": 8,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AL1663RS-13.pdf",
    "parts": {
      "symbol": "al1663rs-13.kicad_sym",
      "footprint": "al1663rs-13.kicad_mod",
      "model_3d": "al1663rs-13-etched.glb",
      "model_3d_plain": "al1663rs-13.glb",
      "model_3d_step": "al1663rs-13-etched.step",
      "model_3d_step_plain": "al1663rs-13.step",
      "lbr": "al1663rs-13.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected. On AL1663R this pin is unused (the AL1663 variant assigns APWM here instead)."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage sensing input from the transformer auxiliary winding. Used for output voltage reflection sensing, OVP and constant-current regulation. FB CV threshold ~1.5 V; absolute max -0.3 to 7 V."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense pin. Connect to the source of the primary switch through a sense resistor Rcs. Cycle-by-cycle over-current clamp Vcs_ocp ~1.2 V; internal reference 0.3 V. Absolute max -0.3 to 7 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference for all internal circuitry and the gate driver return."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Gate driver output for the external primary-side power MOSFET. Output clamp voltage ~14 V (at Vcc=20 V); rise/fall times ~90/30 ns into 1 nF; absolute max -0.3 to 20 V."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage for the gate driver and internal control circuits. Startup threshold Vcc_th ~18.5 V, minimum operating voltage Vopr_min ~7.8 V, Vcc OVP ~27 V. Absolute max -0.3 to 30 V."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "passive",
        "description": "Loop compensation pin. External Rcomp/Ccomp network from COMP to GND sets loop dynamics and pre-charges Vcomp_st = 1.4 V − 700 µA·Rcomp at startup."
      },
      {
        "number": "8",
        "name": "APWM",
        "type": "input",
        "description": "Analog dimming input or PWM signal input for PWM dimming mode. A 0.3-2.4 V DC selects analog dimming; a digital PWM signal selects PWM dimming. Vapwm_L max 0.3 V, Vapwm_H min 2.4 V; absolute max -0.3 to 7 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AL1663RS-13.pdf",
        "pages": 15,
        "sha256": "fd7e0e59a41a7a6c",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "al1663rs-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "53b055ee4d166c0b9de551669cc1294f95b96baacbfe26d9316b576c1ce29fbf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "al1663rs-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,
        "centre_offset_mm": 0,
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        "sha256": "8eeb122e26e6192744c5e4609d184d768e7ceb22e919a97e5be0bfec1806e624",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SO-8",
      "Category": "LED-drv",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "al1663rs-13"
  ],
  "discovery_pitch": "AL1663RS-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",
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    "al1663rs-13.step",
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    "al1663rs-13.lbr",
    "docs/hero.png",
    "docs/al1663rs-13-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:14:09.829Z"
}