BD9329EFJ-E2

{
  "slug": "bd9329efj-e2",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon DC-DC Converters, HTSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bd9329efj-e2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bd9329efj-e2.kicad_sym",
    "bd9329efj-e2.kicad_mod",
    "bd9329efj-e2.glb",
    "bd9329efj-e2.step",
    "bd9329efj-e2.lbr",
    "docs/hero.png",
    "docs/bd9329efj-e2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bd9329efj-e2-hero.glb",
    "bd9329efj-e2-hero.overlay.json",
    "bd9329efj-e2-etched.glb"
  ],
  "component": {
    "mpn": "BD9329EFJ-E2",
    "manufacturer": "ROHM Semicon",
    "package": "HTSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908988910354432",
    "parts": {
      "symbol": "bd9329efj-e2.kicad_sym",
      "footprint": "bd9329efj-e2.kicad_mod",
      "model_3d": "bd9329efj-e2-hero.glb",
      "model_3d_plain": "bd9329efj-e2-etched.glb",
      "model_3d_step": "bd9329efj-e2-etched.step",
      "model_3d_step_plain": "bd9329efj-e2.step",
      "lbr": "bd9329efj-e2.lbr"
    },
    "distributor_links": {
      "lcsc": "C161950",
      "digikey": "846-BD9329EFJ-E2TR-ND",
      "mouser": "755-BD9329EFJ-E2"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:40:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "846-BD9329EFJ-E2TR-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "755-BD9329EFJ-E2",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "input",
        "description": "High-side gate drive boost input, rated at VSW + 7 V maximum, and an R_BS resistor is used to protect against VIN-BST short destruction."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with a 4.2 V to 18.0 V operating range (12 V typical) and a 20 V absolute maximum rating, with UVLO at 3.75 V typical on rising VIN."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Power switching output driving the inductor, with SW voltage of -0.5 V to 18 V in operation, 20 V absolute maximum, and a switch current limit of 3.5 A minimum."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference that must be kept at a minimum potential in all operating conditions, and the exposed thermal pad is to be shorted to it."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input regulated to 0.9 V typical (±1.5% at room temperature, ±2.0% from -25 °C to 85 °C), with an input bias current of 0.02 µA typical."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation node of the error amplifier, whose voltage is limited by the SS pin voltage during startup."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input with a 1.0 V to 1.4 V threshold (1.2 V typical) and a 20 V absolute maximum rating; leaving it open shuts the IC down."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "input",
        "description": "Soft-start control input where the soft-start time is TSS = 2.2 × CSS / ISS with ISS of 10 µA typical, giving 22 ms for CSS = 0.1 µF."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 requested MPN BD9329EFJ-E2 does not appear in the datasheet. The document covers BD9329AEFJ, and; The package is printed as HTSOP-J8 with an exposed thermal pad, not HTSOP-8-EP. The datasheet gives ; The datasheet gives no separate electrical limits for BST, COMP, or the exposed pad. The BST limit i",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0892,
        "at": "2026-10-19T04:38:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908988910354432",
        "pages": 18,
        "sha256": "85a15b87e8976378",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bd9329efj-e2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.3,
          4.9,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5725ef8fdb2a59de31e3e536dac45cd9ef218380d71f34406b961c302e1ec9b9",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bd9329efj-e2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.3,
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          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c687548ac0c416885079ac3a637269ac5493ec17babaf1657d6b5d123e70d753",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}