BL9161G-18BADRN

{
  "slug": "bl9161g-18badrn",
  "version": "0.1.0",
  "type": "component",
  "description": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN-4L(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bl9161g-18badrn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl9161g-18badrn.kicad_sym",
    "bl9161g-18badrn.kicad_mod",
    "bl9161g-18badrn.glb",
    "bl9161g-18badrn.step",
    "bl9161g-18badrn.lbr",
    "docs/hero.png",
    "docs/bl9161g-18badrn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl9161g-18badrn-hero.glb",
    "bl9161g-18badrn-hero.overlay.json"
  ],
  "component": {
    "mpn": "BL9161G-18BADRN",
    "manufacturer": "BL Shanghai Belling",
    "package": "DFN-4L(1x1)",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603089435416817664",
    "parts": {
      "symbol": "bl9161g-18badrn.kicad_sym",
      "footprint": "bl9161g-18badrn.kicad_mod",
      "model_3d": "bl9161g-18badrn-hero.glb",
      "model_3d_plain": "bl9161g-18badrn.glb",
      "model_3d_step": "bl9161g-18badrn-etched.step",
      "model_3d_step_plain": "bl9161g-18badrn.step",
      "lbr": "bl9161g-18badrn.lbr"
    },
    "distributor_links": {
      "lcsc": "C5185887"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T11:51:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage of the LDO regulator, rated for up to 300mA output current; a ceramic output capacitor of at least 1µF with ESR above 25mΩ is stated to ensure stability."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet recommends separate ground planes for VIN and VOUT, each connected only at this GND pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: the LDO turns on when EN is above 1.2V and shuts down when EN falls below 0.4V, with an internal pull-down resistor; EN can be tied to VIN for continuous operation."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input voltage, specified at 2.2V to 6V operating range with an absolute maximum of -0.3V to +6V."
      },
      {
        "number": "5",
        "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 ordering information in the text does not include a legible package-code legend, so the 'D' in B; The datasheet's DFN1x1-4L table includes an 'Exposed Pad' that must go to a large ground plane, but ",
          "exposed pad 5 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.042,
        "at": "2026-10-09T11:49:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603089435416817664",
        "pages": 12,
        "sha256": "1f5c35b45955d0cb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "bl9161g-18badrn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "86e5f8eefe287160705813dbaa7f6606754ab347715fbffa4ee680635c44541f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl9161g-18badrn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "73fb6e96aaab0e10d73535d76416df6c62b971d34bc8b3760381f79ce02f27f8",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}