BL1084-CS

{
  "slug": "bl1084-cs",
  "version": "0.1.0",
  "type": "component",
  "description": "BL(Shanghai Belling) Linear Voltage Regulators (LDO), TO-263-2L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "bl1084-cs",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl1084-cs.kicad_sym",
    "bl1084-cs.kicad_mod",
    "bl1084-cs.glb",
    "bl1084-cs.step",
    "bl1084-cs.lbr",
    "docs/hero.png",
    "docs/bl1084-cs-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl1084-cs-hero.glb",
    "bl1084-cs-hero.overlay.json",
    "bl1084-cs-etched.glb"
  ],
  "component": {
    "mpn": "BL1084-CS",
    "manufacturer": "BL(Shanghai Belling)",
    "package": "TO-263-2L",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3e7fcbabcd4da8a4433ce87a3beefc5f.pdf",
    "parts": {
      "symbol": "bl1084-cs.kicad_sym",
      "footprint": "bl1084-cs.kicad_mod",
      "model_3d": "bl1084-cs-hero.glb",
      "model_3d_plain": "bl1084-cs-etched.glb",
      "model_3d_step": "bl1084-cs-etched.step",
      "model_3d_step_plain": "bl1084-cs.step",
      "lbr": "bl1084-cs.lbr"
    },
    "distributor_links": {
      "lcsc": "C5185881"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:26:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 871 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Adj.",
        "type": "input",
        "description": "Adjustable-version adjust pin: the output is set with two external resistors (Vout = VRef×(1+R2/R1)+IAdj×R2), VRef is 1.25V (1.225V to 1.275V), and IAdj is 45µA typ and 120µA max."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output: up to 5A, with 1.4V typ and 1.6V max dropout at 5A, 7A typ current limit, and a recommended 22µF tantalum output capacitor to GND."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Input supply, 15V maximum, with a recommended 10µF tantalum capacitor to GND."
      }
    ],
    "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: MPN BL1084-CS has no output-voltage code, so the datasheet's ordering table makes it the adjustable ; The TO-263-2L drawing on page 2 shows three labeled positions (1, 2, 3), and the middle lead (pin 2)",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1577,
        "at": "2026-10-23T18:26:13"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3e7fcbabcd4da8a4433ce87a3beefc5f.pdf",
        "pages": 13,
        "sha256": "79bcc77d55e58efc",
        "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": "bl1084-cs.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "804a3f76e4182a02567b2429bdc9a585b857158fb8543fccd29c8eb6780e1310",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl1084-cs-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a73d406ef6b1837341fb9bd9ae94d67b215151bf5e57080e03eb7f266c825a89",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}