BL8550-33CB

{
  "slug": "bl8550-33cb",
  "version": "0.1.0",
  "type": "component",
  "description": "BL(Shanghai Belling) Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "bl8550-33cb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl8550-33cb.kicad_sym",
    "bl8550-33cb.kicad_mod",
    "bl8550-33cb.glb",
    "bl8550-33cb.step",
    "bl8550-33cb.lbr",
    "docs/hero.png",
    "docs/bl8550-33cb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl8550-33cb-hero.glb",
    "bl8550-33cb-hero.overlay.json",
    "bl8550-33cb-etched.glb"
  ],
  "component": {
    "mpn": "BL8550-33CB",
    "manufacturer": "BL(Shanghai Belling)",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b57664580faf2a8bd8c6da2cb6271ef7.pdf",
    "parts": {
      "symbol": "bl8550-33cb.kicad_sym",
      "footprint": "bl8550-33cb.kicad_mod",
      "model_3d": "bl8550-33cb-hero.glb",
      "model_3d_plain": "bl8550-33cb-etched.glb",
      "model_3d_step": "bl8550-33cb-etched.step",
      "model_3d_step_plain": "bl8550-33cb.step",
      "lbr": "bl8550-33cb.lbr"
    },
    "distributor_links": {
      "lcsc": "C2932529"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:47:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 877 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator (BL8550-xxCB pin configuration)."
      },
      {
        "number": "2",
        "name": "Vin",
        "type": "power_in",
        "description": "Regulator input supply, maximum input voltage 18V."
      },
      {
        "number": "3",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated 3.3V output (3.234V to 3.366V at Tj=25°C), up to 400mA load current."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The BL8550 SOT-89-3 package outline drawing (page 5) was not available as an image. The pin assignme",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1915,
        "at": "2026-10-22T22:47:32"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b57664580faf2a8bd8c6da2cb6271ef7.pdf",
        "pages": 6,
        "sha256": "c58d8646db92b34d",
        "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": "bl8550-33cb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl8550-33cb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "dbfa01bf97a21edfae612460d3458b1ee62ed00a4c3a3b6dda0af6dc59ac6c50",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}