BRCL4054DME

{
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  "type": "component",
  "slug": "brcl4054dme",
  "title": "BRCL4054DME",
  "brief": "Foshan Blue Rocket Elec Battery Management ICs, 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",
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    "power supply chip",
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  "component": {
    "mpn": "BRCL4054DME",
    "manufacturer": "Foshan Blue Rocket Elec",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/af7dcd8c883fe431ddc8143d74c615ea.pdf",
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      "lbr": "brcl4054dme.lbr"
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    "distributor_links": {
      "lcsc": "C5137052"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T19:05:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status indicator that outputs logic low while charging and high impedance when the charge cycle is terminated (absolute max -0.3 to 8 V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection that sources charge current and regulates to a 4.20V float voltage (±1%), with a drain current below 3µA in sleep mode (absolute max -0.3 to 7 V)."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "External DC 5V input supply with a 4 to 6 V operating range (absolute max -0.3 to 8 V)."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "passive",
        "description": "Charge current programming pin where a resistor to ground sets the charge current (absolute max -0.3 to 8 V)."
      }
    ],
    "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: Pin types are inferred from the function descriptions, because the datasheet gives no electrical pin"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0575,
        "at": "2026-10-26T19:05:37"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/af7dcd8c883fe431ddc8143d74c615ea.pdf",
        "pages": 8,
        "sha256": "8993c300927addd0",
        "source_tier": "lcsc"
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      "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"
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Foshan Blue Rocket Elec",
      "Package": "SOT-23-5",
      "Category": "Power Supply Chip",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8993c300927addd04aae141b4316fe44a8e16ef88f9c251539b1f5f3b597bab0",
      "rows": [
        {
          "name": "VDD to GND",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BAT to GND",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CHRG to GND",
          "symbol": "Vchrg",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PROG to GND",
          "symbol": "Vprog",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -50,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10s)",
          "symbol": "Tsolder",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": 5,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Float threshold voltage",
          "symbol": "VBAT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.158,
          "typ": 4.2,
          "max": 4.242,
          "conditions": "VDD=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BAT backflow current",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "μA",
          "min": 0.5,
          "typ": null,
          "max": 5,
          "conditions": "Vcc=3.5V, Vbat=4.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD power-down detection (rising)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VDD low to high, VDD>BAT",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD power-down detection (falling)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VDD high to low, VDD>BAT",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Trickle to constant current threshold",
          "symbol": "VTRKL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.8,
          "max": null,
          "conditions": "VBAT rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Trickle charge hysteresis",
          "symbol": "VTRHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD undervoltage lockout threshold",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.7,
          "max": null,
          "conditions": "VDD rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD UVLO hysteresis",
          "symbol": "VUVHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Manual shutdown threshold",
          "symbol": "Vmsd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Manual shutdown hysteresis",
          "symbol": "VmsdHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PROG voltage in trickle charge",
          "symbol": "Vprog1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PROG voltage at high current",
          "symbol": "Vprog2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature recovery",
          "symbol": "OTR",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "VDD=5V",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "BRCL4054DME (Foshan Blue Rocket Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
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