OB3635AMP

{
  "slug": "ob3635amp",
  "version": "0.1.0",
  "type": "component",
  "description": "OB On Bright Elec LED Drivers, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "ob3635amp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ob3635amp.kicad_sym",
    "ob3635amp.kicad_mod",
    "ob3635amp.glb",
    "ob3635amp.step",
    "ob3635amp.lbr",
    "docs/hero.png",
    "docs/ob3635amp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ob3635amp-hero.glb",
    "ob3635amp-hero.overlay.json",
    "ob3635amp-etched.glb"
  ],
  "component": {
    "mpn": "OB3635AMP",
    "manufacturer": "OB On Bright Elec",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226639394410496",
    "parts": {
      "symbol": "ob3635amp.kicad_sym",
      "footprint": "ob3635amp.kicad_mod",
      "model_3d": "ob3635amp-hero.glb",
      "model_3d_plain": "ob3635amp-etched.glb",
      "model_3d_step": "ob3635amp-etched.step",
      "model_3d_step_plain": "ob3635amp.step",
      "lbr": "ob3635amp.lbr"
    },
    "distributor_links": {
      "lcsc": "C2924666"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:27:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "error"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback from the auxiliary winding through a resistor divider reflecting the output voltage; the FB pin falling below 0.05V (typical) starts a new switching cycle for quasi-resonant operation, and FB above 1.5V (typical) triggers LED open-circuit protection."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input supplied from the transformer auxiliary winding; VDD over-voltage protection triggers above 32V (typical) and the absolute maximum VDD voltage is 40V."
      },
      {
        "number": "4",
        "name": "GATE",
        "type": "output",
        "description": "Gate driver output for the external power MOSFET, internally clamped at 12V (typical) and pulled low when VDD falls below UVLO(ON)."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "Current sensing terminal, connected through a sense resistor between the MOSFET source and GND; the internal leading edge blanking time is 0.4 us and the over-current threshold is 1.1V (typical) when FB is above 0.25V."
      },
      {
        "number": "6",
        "name": "CMP",
        "type": "output",
        "description": "Loop compensation pin with a large external capacitor connected between CMP and GND, whose clamp-down voltage is 1.0V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The physical pin map for SOT-23-6 is shown only as an image in the datasheet (page 2 'Pin Configurat; The datasheet lists CMP as type O (output) but describes it as a compensation capacitor node; the ty"
        ],
        "pages_sent": 10,
        "cost_usd": 0.037,
        "at": "2026-10-18T00:27:07"
      },
      "datasheet": {
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        "pages": 10,
        "sha256": "34e18cfb0a835ae6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "1744cf8faf6d800c5f5a961bf3552f2be87ea3dbb7d8cc7146e33a0e097841d5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}