OB3379ACPA

{
  "slug": "ob3379acpa",
  "version": "0.1.0",
  "type": "component",
  "description": "OB(On-Bright Elec) LED Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "ob3379acpa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ob3379acpa.kicad_sym",
    "ob3379acpa.kicad_mod",
    "ob3379acpa.glb",
    "ob3379acpa.step",
    "ob3379acpa.lbr",
    "docs/hero.png",
    "docs/ob3379acpa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ob3379acpa-hero.glb",
    "ob3379acpa-hero.overlay.json",
    "ob3379acpa-etched.glb"
  ],
  "component": {
    "mpn": "OB3379ACPA",
    "manufacturer": "OB(On-Bright Elec)",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4c210be76926b135a056c2ebd3b00298.pdf",
    "parts": {
      "symbol": "ob3379acpa.kicad_sym",
      "footprint": "ob3379acpa.kicad_mod",
      "model_3d": "ob3379acpa-hero.glb",
      "model_3d_plain": "ob3379acpa-etched.glb",
      "model_3d_step": "ob3379acpa-etched.step",
      "model_3d_step_plain": "ob3379acpa.step",
      "lbr": "ob3379acpa.lbr"
    },
    "distributor_links": {
      "lcsc": "C48392378"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:54:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 843 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, operating range 9V to 30V with UVLO exit at 8V typ and enter at 7.2V typ."
      },
      {
        "number": "2",
        "name": "ADIM",
        "type": "input",
        "description": "Analog dimming input (0V to 5V) whose voltage sets the internal reference that decides the LED current; a capacitor to GND gives external soft start."
      },
      {
        "number": "3",
        "name": "HPWM",
        "type": "input",
        "description": "PWM-to-analog dimming input (200Hz to 40kHz) and sleep-mode enable pin, with about 2.5V needed to enable and 1.3V low threshold."
      },
      {
        "number": "4",
        "name": "LPF",
        "type": "passive",
        "description": "Filter pin that is left floating for HPWM between 10kHz and 40kHz, or has a capacitor to GND for HPWM between 200Hz and 10kHz to reduce output current ripple."
      },
      {
        "number": "5",
        "name": "ZVS",
        "type": "input",
        "description": "Quasi-resonant zero-voltage/demagnetization detection input, rated -0.7V to 35V, with LED open protection threshold of 4V typ."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Current sensing terminal connected to the sense resistor, rated -0.3V to 7V, with 0.8V typ OCP threshold and open-pin protection at 2V typ."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "8",
        "name": "GATE",
        "type": "output",
        "description": "Gate driver output for the external MOSFET, rated -0.3V to 35V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet lists pin I/O as P/I/O generically; types for ADIM, HPWM, LPF, ZVS, CS, GATE were assigned; OB3379ACPA is the SOP8 halogen-free tape and reel version, so the SOP-8 pinout applies. Datasheet is"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0843,
        "at": "2026-10-22T22:53:48"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4c210be76926b135a056c2ebd3b00298.pdf",
        "pages": 11,
        "sha256": "c81351519837c583",
        "source_tier": "lcsc"
      },
      "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": "ob3379acpa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ob3379acpa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "10df1bf83c6180545941df815ddfb01cff9dce9ece5973facbcc1948d8eafb28",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}