BL9110-250BPFB

{
  "schema_version": 1,
  "type": "component",
  "slug": "bl9110-250bpfb",
  "title": "BL9110-250BPFB",
  "brief": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "bl9110-250bpfb"
  ],
  "component": {
    "mpn": "BL9110-250BPFB",
    "manufacturer": "BL Shanghai Belling",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/13ef8102b0ca9eb27530b5dd13e2f502.pdf",
    "parts": {
      "symbol": "bl9110-250bpfb.kicad_sym",
      "footprint": "bl9110-250bpfb.kicad_mod",
      "model_3d": "bl9110-250bpfb-etched.glb",
      "model_3d_plain": "bl9110-250bpfb.glb",
      "model_3d_step": "bl9110-250bpfb-etched.step",
      "model_3d_step_plain": "bl9110-250bpfb.step",
      "lbr": "bl9110-250bpfb.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return. Reference for VDD, VOUT and the CE input threshold. Tie to the system ground plane with a low-impedance connection."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output pin, fixed 2.5V nominal (±2% accuracy for the 'B' grade). Sources up to 1A load current; requires a 2.2uF output capacitor to ground for stability. Auto-discharged (~50Ω) when the regulator is disabled."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Unregulated input supply, 2.5V to 6.0V (absolute max 7V). Decouple with a 2.2uF (10uF recommended) ceramic capacitor to GND close to the pin. Chip Enable (CE) is tied to VDD internally through the application, since this 3-pin SOT-223-3 variant does not expose the CE pin (device is always enabled)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/13ef8102b0ca9eb27530b5dd13e2f502.pdf",
        "pages": 30,
        "sha256": "b94966cd4c52e86b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bl9110-250bpfb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl9110-250bpfb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8ab8a00b3c0c8be9c8c25165d185ce4b927ae54d7591a43a1208cc916d90b7b7",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl9110-250bpfb"
  ],
  "discovery_pitch": "BL9110-250BPFB (BL Shanghai Belling) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl9110-250bpfb.kicad_sym",
    "bl9110-250bpfb.kicad_mod",
    "bl9110-250bpfb.glb",
    "bl9110-250bpfb.step",
    "bl9110-250bpfb-etched.step",
    "bl9110-250bpfb.lbr",
    "docs/hero.png",
    "docs/bl9110-250bpfb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl9110-250bpfb-etched.glb"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:56:56.211Z",
  "description": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}