main
Ray Set visibility: public cd42318 5d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bl9161g-12bprt",
  "title": "BL9161G-12BPRT",
  "brief": "BL(Shanghai Belling) Linear Voltage Regulators (LDO), SOT-23-3. 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 supply chip",
    "bl9161g-12bprt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BL9161G-12BPRT",
    "manufacturer": "BL(Shanghai Belling)",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b789c8fb309be2e82fdd5f67dd803450.pdf",
    "parts": {
      "symbol": "bl9161g-12bprt.kicad_sym",
      "footprint": "bl9161g-12bprt.kicad_mod",
      "model_3d": "bl9161g-12bprt-hero.glb",
      "model_3d_plain": "bl9161g-12bprt-etched.glb",
      "model_3d_step": "bl9161g-12bprt-etched.step",
      "model_3d_step_plain": "bl9161g-12bprt.step",
      "lbr": "bl9161g-12bprt.lbr"
    },
    "distributor_links": {
      "lcsc": "C5185886"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T03:50:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the SOT23-3 package, which the datasheet asks to be returned to a clean analog ground and to be the only point where the VIN and VOUT ground planes connect."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output of the BL9161G-1.2V variant, specified at 1.2V with ±2% output voltage accuracy and capable of 300mA output current."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with a wide operating range of 2.2V to 6V, as stated in the electrical characteristics."
      }
    ],
    "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 MPN suffix 'P' selects the no-EN-pin option that the datasheet says is only for SOT23-3, so no E; The SOT23-3 pin numbers are taken from the combined SOT23-5/SC70-5/SOT23-3 pin description table on "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0305,
        "at": "2026-11-05T03:50:51"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b789c8fb309be2e82fdd5f67dd803450.pdf",
        "pages": 12,
        "sha256": "9b21bb265db74e5b",
        "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": "bl9161g-12bprt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl9161g-12bprt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e506e73b6612f2a2768b441aa69c3227ee621d867d28c4c8bab1a2bb4eee5ce7",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL(Shanghai Belling)",
      "Package": "SOT-23-3",
      "Category": "Power Supply Chip",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9b21bb265db74e5bd5dca18de41ce2378fccc388471c8c9182411eaf9234d9d3",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VIN=Vout+1V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 360,
          "typ": null,
          "max": 450,
          "conditions": "RLOAD=1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 70,
          "max": 110,
          "conditions": "VEN>1.2V, IOUT=0mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 135,
          "max": 200,
          "conditions": "IOUT=200mA, VOUT=3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 205,
          "max": 300,
          "conditions": "IOUT=300mA, VOUT=3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.17,
          "conditions": "VIN=Vout+1V to 5.5V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "1mA<IOUT<300mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Coefficient",
          "symbol": "TCVOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic Low Threshold (EN, shutdown)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN=3V to 5.5V, Shutdown",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic High Threshold (EN, start up)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "VIN=3V to 5.5V, Start up",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Standby Current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VEN=GND, Shutdown",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Input Bias Current",
          "symbol": "IIBSD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "VEN=GND or VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "eNO",
          "kind": "electrical",
          "unit": "VRMS",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "10Hz to 100KHz, IOUT=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -75,
          "max": null,
          "conditions": "f=217Hz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -71,
          "max": null,
          "conditions": "f=1KHz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -55,
          "max": null,
          "conditions": "f=10KHz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "Shutdown, Temp increasing",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSDHY",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VIN",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltages",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VIN+0.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10s",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Specs assured by design over -40 to 85; guaranteed 0 to 70 (Note 2)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Junction Temperature",
          "symbol": "TJ(MAX)",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "Maximum operating junction temperature per thermal considerations",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl9161g-12bprt"
  ],
  "discovery_pitch": "BL9161G-12BPRT (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",
    "bl9161g-12bprt.kicad_sym",
    "bl9161g-12bprt.kicad_mod",
    "bl9161g-12bprt.glb",
    "bl9161g-12bprt.step",
    "bl9161g-12bprt.lbr",
    "docs/hero.png",
    "docs/bl9161g-12bprt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl9161g-12bprt-hero.glb",
    "bl9161g-12bprt-hero.overlay.json",
    "bl9161g-12bprt-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}