main
Ray Set visibility: public 46e44b4 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bct2019eukv30-tr",
  "title": "BCT2019EUKV30-TR",
  "brief": "BROADCHIP Linear Voltage Regulators (LDO), SOT-23-5. 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",
    "bct2019eukv30-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BCT2019EUKV30-TR",
    "manufacturer": "BROADCHIP",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225328158240768",
    "parts": {
      "symbol": "bct2019eukv30-tr.kicad_sym",
      "footprint": "bct2019eukv30-tr.kicad_mod",
      "model_3d": "bct2019eukv30-tr-hero.glb",
      "model_3d_plain": "bct2019eukv30-tr-etched.glb",
      "model_3d_step": "bct2019eukv30-tr-etched.step",
      "model_3d_step_plain": "bct2019eukv30-tr.step",
      "lbr": "bct2019eukv30-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2962008"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:40:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Regulator input; supply voltage can range from 2.5V to 5.5V, and it should be bypassed with a 1uF capacitor to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Shutdown input; a logic low reduces the supply current to 10nA, and it should be connected to IN for normal operation."
      },
      {
        "number": "4",
        "name": "BP/FB",
        "type": "passive",
        "description": "For the fixed-voltage version (the BCT2019EUKV30-TR, 3.0V), this pin is BP, the reference-noise bypass, which takes a low-leakage 0.01uF ceramic capacitor for reduced output noise; the FB function applies only to the adjustable version."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet prints pin 4 as the shared name 'BP/FB' and says BP applies to the fixed-voltage versi"
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        "pages_sent": 13,
        "cost_usd": 0.0445,
        "at": "2026-10-18T17:38:17"
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        "sha256": "e57b69216762a8da",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-18",
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      {
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "BROADCHIP",
      "Package": "SOT-23-5",
      "Category": "Power Supply Chip",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e57b69216762a8dab9e05c60c3da00fd760cb1efeb68abd2ea4d0ac6d03f0101",
      "rows": [
        {
          "name": "Output Voltage Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "IOUT=0.1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLNR",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.05,
          "conditions": "VIN=2.5V or (VOUT+0.5V) to 5.5V, IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (VOUT>2V)",
          "symbol": "ΔVLDR",
          "kind": "electrical",
          "unit": "%/mA",
          "min": null,
          "typ": 0.002,
          "max": 0.005,
          "conditions": "IOUT=0.1mA to 300mA, COUT=1uF, VOUT>2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ground Pin Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "No load, EN=2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage at 300mA",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 270,
          "max": 400,
          "conditions": "IOUT=300mA",
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          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage at 1mA",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.9,
          "max": null,
          "conditions": "IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current (SOT-23-5)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 800,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Threshold High",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "VIN=2.5V to 5.5V, VEN=-0.3V to VIN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Threshold Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "VIN=2.5V to 5.5V, VEN=-0.3V to VIN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Bias Current",
          "symbol": "IB(SHDN)",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "EN=0V or EN=5.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "IQ(SHDN)",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "EN=0.4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Exit Delay",
          "symbol": "",
          "kind": "timing",
          "unit": "us",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "CBP=0.01uF, COUT=1uF, No Load",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Noise",
          "symbol": "en",
          "kind": "electrical",
          "unit": "uVRMS",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "f=10Hz to 100kHz, CBP=0.01uF, COUT=10uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio at 217Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 77,
          "max": null,
          "conditions": "f=217Hz, CBP=0.1uF, ILOAD=50mA, COUT=1uF, VIN=VOUT+1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio at 1kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 74,
          "max": null,
          "conditions": "f=1kHz, CBP=0.1uF, ILOAD=50mA, COUT=1uF, VIN=VOUT+1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSHDN",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTSHDN",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Junction Temperature",
          "symbol": "TJ(MAX)",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "IN to GND voltage",
          "symbol": "",
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          "unit": "V",
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          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "EN to GND voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN (not numeric)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "OUT, BP/FB to GND voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN+0.3V (not numeric)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance SOT-23-5 (application section)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "SOT-23-5, JEDEC 51-3 test board, layout dependent",
          "source_page": 9,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "BCT2019EUKV30-TR (BROADCHIP) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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