BL8558-25PRN

{
  "slug": "bl8558-25prn",
  "version": "0.1.0",
  "type": "component",
  "description": "BL(Shanghai Belling) Linear Voltage Regulators (LDO), SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "bl8558-25prn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl8558-25prn.kicad_sym",
    "bl8558-25prn.kicad_mod",
    "bl8558-25prn.glb",
    "bl8558-25prn.step",
    "bl8558-25prn.lbr",
    "docs/hero.png",
    "docs/bl8558-25prn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl8558-25prn-hero.glb",
    "bl8558-25prn-hero.overlay.json",
    "bl8558-25prn-etched.glb"
  ],
  "component": {
    "mpn": "BL8558-25PRN",
    "manufacturer": "BL(Shanghai Belling)",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3f7b4145c40755e89909b9ac22d3f7f8.pdf",
    "parts": {
      "symbol": "bl8558-25prn.kicad_sym",
      "footprint": "bl8558-25prn.kicad_mod",
      "model_3d": "bl8558-25prn-hero.glb",
      "model_3d_plain": "bl8558-25prn-etched.glb",
      "model_3d_step": "bl8558-25prn-etched.step",
      "model_3d_step_plain": "bl8558-25prn.step",
      "lbr": "bl8558-25prn.lbr"
    },
    "distributor_links": {
      "lcsc": "C5185885"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:38:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vin",
        "type": "power_in",
        "description": "Input pin; recommended input range is up to 8V (absolute maximum 10V), with a 1uF input capacitor recommended."
      },
      {
        "number": "2",
        "name": "Vss",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "Chip enable pin; high level is 1.5V to Vin, low level is 0 to 0.25V (standby), with an internal pull-down resistance of 2.0 to 10.0 MΩ (typ. 5.0 MΩ)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output pin (2.5V for the BL8558-25PRN, ±2% accuracy), up to 500mA, with a 3.3uF/4.7uF output capacitor recommended for stability."
      }
    ],
    "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: In the pin table the CE and NC rows list only two values each, with blank cells for the other column; The 2.5V output value is derived from the '25' in the MPN and the selection guide (25 = 2.5V), but t"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0701,
        "at": "2026-10-23T12:38:18"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3f7b4145c40755e89909b9ac22d3f7f8.pdf",
        "pages": 10,
        "sha256": "df6d8294f239f8d4",
        "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": [
      {
        "file": "bl8558-25prn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl8558-25prn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2a49533b4acff5ca14ff459bc3727cbe9916310cf31b47db8baed85ae46654de",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}