main
Ray Set visibility: public c9f43de 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bl1117-cy",
  "title": "BL1117-CY",
  "brief": "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.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "bl1117-cy",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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,
        "centre_offset_mm": 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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8ab72cad5e4bda85ded8f91a094e077d7646c71f97a597e1b11bff5e8159f153",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "TO-252-2(DPAK)",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a7fe7f5c0846d4ca90be7e4000b6af9140d25a64b4a90fac1d20786ff0576aee",
      "rows": [
        {
          "name": "Reference Voltage",
          "symbol": "Vref",
          "kind": "electrical",
          "unit": "V",
          "min": 1.225,
          "typ": 1.25,
          "max": 1.275,
          "conditions": "10mA≤Iout≤1A , Vin=3.25V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "Iout=10mA, 2.75V≤Vin≤12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "Vin =2.75V, 10mA≤Iout≤1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.23,
          "max": 1.3,
          "conditions": "Iout=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "Iout=1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current",
          "symbol": "Imin",
          "kind": "electrical",
          "unit": "mA",
          "min": 4,
          "typ": 6,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Adjust Pin Current",
          "symbol": "IAdj",
          "kind": "electrical",
          "unit": "uA",
          "min": 35,
          "typ": 55,
          "max": 120,
          "conditions": "Vin =5V, 10mA≤Iout≤1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Iadj change",
          "symbol": "Ichange",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.2,
          "max": 10,
          "conditions": "Vin =5V, 10mA≤Iout≤1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient",
          "symbol": "ΔV/ΔT",
          "kind": "temperature_coefficient",
          "unit": "ppm",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Max Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "Ta",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10S",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "Ilimit",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Vin-Vout=2V, Tj=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "f = 120Hz, VIN − VOUT = 3V + 1VPP Ripple",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case",
          "symbol": "JC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "TO-252",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (No heat sink)",
          "symbol": "JA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 92,
          "max": null,
          "conditions": "TO-252 (No heat sink)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl1117-cy"
  ],
  "discovery_pitch": "BL1117-CY (BL Shanghai Belling) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "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"
  ],
  "visibility": {
    "public": true
  }
}