BL1117-CY

{
  "slug": "bl1117-cy",
  "version": "0.1.0",
  "type": "component",
  "description": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bl1117-cy",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl1117-cy.kicad_sym",
    "bl1117-cy.kicad_mod",
    "bl1117-cy.glb",
    "bl1117-cy.step",
    "bl1117-cy.lbr",
    "docs/hero.png",
    "docs/bl1117-cy-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl1117-cy-hero.glb",
    "bl1117-cy-hero.overlay.json",
    "bl1117-cy-etched.glb"
  ],
  "component": {
    "mpn": "BL1117-CY",
    "manufacturer": "BL Shanghai Belling",
    "package": "TO-252-2(DPAK)",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203948071575552",
    "parts": {
      "symbol": "bl1117-cy.kicad_sym",
      "footprint": "bl1117-cy.kicad_mod",
      "model_3d": "bl1117-cy-hero.glb",
      "model_3d_plain": "bl1117-cy-etched.glb",
      "model_3d_step": "bl1117-cy-etched.step",
      "model_3d_step_plain": "bl1117-cy.step",
      "lbr": "bl1117-cy.lbr"
    },
    "distributor_links": {
      "lcsc": "C165081"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:22:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "passive",
        "description": "Adjustable pin, where the 1.25V reference sets the output through R1 and R2 with Vout = 1.25(1+R2/R1)+IAdj*R2 and IAdj about 50uA, and R1 should be 125 ohm or lower and not higher than 625 ohm."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output, with a 1A maximum output current, 1.3V typical dropout at 1A, and a 10uF output capacitor recommended."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Input supply, with a maximum input voltage of 12V recommended and 15V as the absolute maximum rating, and a 10uF input capacitor recommended."
      }
    ],
    "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 datasheet's pin table lists three terminals (1, 2, 3) for the device family; it gives no TO-252-; The MPN 'BL1117-CY' does not match the datasheet ordering pattern BL1117-XX X X and has no output-vo; Pin 1 type 'passive' for ADJ is an engineering classification (KiCad), not a stated rating in the da"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0488,
        "at": "2026-10-19T00:21:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203948071575552",
        "pages": 15,
        "sha256": "a7fe7f5c0846d4ca",
        "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": "bl1117-cy.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl1117-cy-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8ab72cad5e4bda85ded8f91a094e077d7646c71f97a597e1b11bff5e8159f153",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}