main
Ray Set visibility: public 72db7bb 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bl8077cketr33",
  "title": "BL8077CKETR33",
  "brief": "BL(Shanghai Belling) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN1x1-4. 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)",
    "bl8077cketr33",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BL8077CKETR33",
    "manufacturer": "BL(Shanghai Belling)",
    "package": "DFN1x1-4",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/955395276ae6040f9170113cf2bc0ed4.pdf",
    "parts": {
      "symbol": "bl8077cketr33.kicad_sym",
      "footprint": "bl8077cketr33.kicad_mod",
      "model_3d": "bl8077cketr33-hero.glb",
      "model_3d_plain": "bl8077cketr33-etched.glb",
      "model_3d_step": "bl8077cketr33-etched.step",
      "model_3d_step_plain": "bl8077cketr33.step",
      "lbr": "bl8077cketr33.lbr"
    },
    "distributor_links": {
      "lcsc": "C7436526"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T19:54:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage pin (fixed 1.2V/1.8V/2.5V/2.8V/3V/3.3V versions, up to 300mA max output current; 1uF output capacitor recommended)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the thermal pad is also connected to GND."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "Chip enable, high active with no pull-down: CE low level 0 to 0.4V shuts down, high level 1.5 to 5.5V enables; do not leave open, tie to VIN or GND."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input, operating range 1.8V to 5.5V (absolute maximum 8V); 1uF input capacitor recommended."
      },
      {
        "number": "5",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-configuration drawing is only available as flattened text. Numbers 1 2 / 4 3 are followed by; The datasheet lists a thermal pad connected to GND but gives it no pin number, so it is not included"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0693,
        "at": "2026-10-22T19:53:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/955395276ae6040f9170113cf2bc0ed4.pdf",
        "pages": 9,
        "sha256": "5507b328689cf217",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bl8077cketr33.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1,
          0.98,
          0.57
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "86e5f8eefe287160705813dbaa7f6606754ab347715fbffa4ee680635c44541f",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "units": "mm",
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        "sha256": "c0889c7b252c916eb9f33941e939237cdba9aeadb30e71a89e79c69bdaf7d18b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL(Shanghai Belling)",
      "Package": "DFN1x1-4",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5507b328689cf217be6393deb1f26ffef2ed368a4bda7da077e4e60915f5d9f3",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "VOUT>1.5V, VIN=VOUT+1V, IOUT=0mA; printed VOUT x0.98 to VOUT x1.02",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Max output current",
          "symbol": "IOUT(MAX)",
          "kind": "electrical",
          "unit": "mA",
          "min": 300,
          "typ": null,
          "max": null,
          "conditions": "VOUT>1.5V, VIN=VOUT+1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 460,
          "max": 550,
          "conditions": "VOUT=3.3V, IOUT=300mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVout/(ΔVin·Vout)",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IOUT=10mA, VOUT>1.3V, VOUT+0.5V≤VIN≤5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mv",
          "min": null,
          "typ": 55,
          "max": 85,
          "conditions": "VOUT>1.5V, VIN=VOUT+1V, 0mA≤IOUT≤300mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.8,
          "max": 1.5,
          "conditions": "VIN=Set VOUT+1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply current (standby)",
          "symbol": "ISTANDBY",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VIN=Set VOUT+1V, VCE=GND",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short current limit",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VOUT=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "ΔVout/ΔT·Vout",
          "kind": "temperature_coefficient",
          "unit": "ppm/C",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "IOUT=10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Discharge resistor",
          "symbol": "RDISCHARGE",
          "kind": "electrical",
          "unit": "ohm",
          "min": null,
          "typ": 250,
          "max": 300,
          "conditions": "CE=0, VOUT=3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temp",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "VIN=Set VOUT+1V, IOUT=10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "TSH",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VIN=Set VOUT+1V, IOUT=10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CE L level voltage",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN=Set VOUT+1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CE H level voltage",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 5.5,
          "conditions": "VIN=Set VOUT+1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Max input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "IOUT=PD/(VIN-VOUT)",
          "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": "Power dissipation DFN1x1-4",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "DFN1x1-4",
          "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 & time",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10S",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package thermal resistance DFN1x1-4",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "DFN1x1-4",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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    "breadcrumbs",
    "info"
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "BL8077CKETR33 (BL(Shanghai Belling)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}