BD9G500EFJ-LAE2

{
  "slug": "bd9g500efj-lae2",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "bd9g500efj-lae2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bd9g500efj-lae2.kicad_sym",
    "bd9g500efj-lae2.kicad_mod",
    "bd9g500efj-lae2.glb",
    "bd9g500efj-lae2.step",
    "bd9g500efj-lae2.lbr",
    "docs/hero.png",
    "docs/bd9g500efj-lae2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bd9g500efj-lae2-hero.glb",
    "bd9g500efj-lae2-hero.overlay.json",
    "bd9g500efj-lae2-etched.glb"
  ],
  "component": {
    "mpn": "BD9G500EFJ-LAE2",
    "manufacturer": "ROHM Semicon",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8a13f1bc4b681f8c008cc78e26e22d7b.pdf",
    "parts": {
      "symbol": "bd9g500efj-lae2.kicad_sym",
      "footprint": "bd9g500efj-lae2.kicad_mod",
      "model_3d": "bd9g500efj-lae2-hero.glb",
      "model_3d_plain": "bd9g500efj-lae2-etched.glb",
      "model_3d_step": "bd9g500efj-lae2-etched.step",
      "model_3d_step_plain": "bd9g500efj-lae2.step",
      "lbr": "bd9g500efj-lae2.lbr"
    },
    "distributor_links": {
      "lcsc": "C3190086",
      "digikey": "846-BD9G500EFJ-LAE2TR-ND",
      "mouser": "755-BD9G500EFJ-LAE2"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T00:53:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "846-BD9G500EFJ-LAE2TR-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "755-BD9G500EFJ-LAE2",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switch pin connected to the source of the High-Side MOSFET; a Schottky barrier diode must be connected between this pin and the GND pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the IC; the external catch diode connects between SW and this pin."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Output of the gm error amplifier and input to the PWM comparator; phase compensation components connect to this pin."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback pin with an FB threshold voltage of 1.00 V (Typ, 0.99 V to 1.01 V)."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "passive",
        "description": "Sets the internal oscillator frequency through a single resistor to GND, with a switching frequency range of 100 kHz to 650 kHz."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable input: 0.4 V or lower forces shutdown mode and 2.5 V or higher enables the device; this pin must be terminated."
      },
      {
        "number": "7",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap pin; a 1 µF bootstrap capacitor connects between this pin and SW and sets the High-Side MOSFET gate drive voltage."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply pin for the switching regulator and control circuit, with an input voltage range of 7 V to 76 V."
      }
    ],
    "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 package hint says SOIC-8, but the datasheet gives the package for BD9G500EFJ-LAE2 as HTSOP-J8 (8; The HTSOP-J8 drawing also shows an EXP-PAD (backside heat dissipation pad). It is not a numbered pin"
        ],
        "pages_sent": 39,
        "cost_usd": 0.0127,
        "at": "2026-10-28T00:53:17"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8a13f1bc4b681f8c008cc78e26e22d7b.pdf",
        "pages": 39,
        "sha256": "60764fae453b65e1",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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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": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bd9g500efj-lae2-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "efb0910f62a0e80cc48f6b9c2bf56ba259249d125d732f0af3a0ddc7724277e5",
        "checked": "2026-10-28",
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  }
}