BD9E300EFJ-LBE2

{
  "slug": "bd9e300efj-lbe2",
  "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 management",
    "bd9e300efj-lbe2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "bd9e300efj-lbe2.step",
    "bd9e300efj-lbe2.lbr",
    "docs/hero.png",
    "docs/bd9e300efj-lbe2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bd9e300efj-lbe2-hero.glb",
    "bd9e300efj-lbe2-hero.overlay.json",
    "bd9e300efj-lbe2-etched.glb"
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  "component": {
    "mpn": "BD9E300EFJ-LBE2",
    "manufacturer": "ROHM Semicon",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e8bb30e0ad5e5f83a5e71ad842c1ae7b.pdf",
    "parts": {
      "symbol": "bd9e300efj-lbe2.kicad_sym",
      "footprint": "bd9e300efj-lbe2.kicad_mod",
      "model_3d": "bd9e300efj-lbe2-hero.glb",
      "model_3d_plain": "bd9e300efj-lbe2-etched.glb",
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      "model_3d_step_plain": "bd9e300efj-lbe2.step",
      "lbr": "bd9e300efj-lbe2.lbr"
    },
    "distributor_links": {
      "lcsc": "C5336783"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T19:45:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "passive",
        "description": "Connect a 0.1µF bootstrap capacitor between this terminal and SW; its voltage is the gate drive voltage of the high-side MOSFET."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply terminal for the switching regulator and control circuit; a 10µF ceramic capacitor is recommended."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Low level (0.8V or lower) forces shutdown mode, high level (2.5V or higher) enables the device; the terminal must be terminated."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground terminal for the control circuit."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Inverting input node for the gm error amplifier, used with a resistor divider to set the output voltage."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Input terminal for the gm error amplifier output and output switch current comparator; connect a frequency phase compensation component here."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground terminal for the output stage of the switching regulator."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the source of the high-side MOSFET and drain of the low-side MOSFET; connect the inductor and 0.1µF bootstrap capacitor to BOOT."
      }
    ],
    "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: Package hint was SOIC-8, but the datasheet says BD9E300EFJ-LBE2 is HTSOP-J8 (EFJ suffix, E2 = 2500pc; The exposed pad has no number in the datasheet (shown as '-' / E-Pad); 'EP' is a placeholder. It is ; Pin types for BOOT, COMP and SW are inferred from their function descriptions, because the datasheet"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0539,
        "at": "2026-10-22T19:44:37"
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        "pages": 33,
        "sha256": "a7f7cfbf46a147fe",
        "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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        "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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bd9e300efj-lbe2-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,
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        "sha256": "5855305788d11e068ae990798b5d6fb11c7d7c1a62ac8b71b82177fd3c6558ed",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}