brcl4054cme

{
  "slug": "brcl4054cme",
  "version": "0.1.0",
  "type": "component",
  "description": "Foshan Blue Rocket Elec Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "pmic",
    "brcl4054cme"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "brcl4054cme.kicad_sym",
    "brcl4054cme.kicad_mod",
    "brcl4054cme.glb",
    "brcl4054cme.step",
    "brcl4054cme.lbr",
    "docs/hero.png",
    "docs/brcl4054cme-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "brcl4054cme-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "BRCL4054CME",
    "manufacturer": "Foshan Blue Rocket Elec",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Battery Management",
    "parts": {
      "symbol": "brcl4054cme.kicad_sym",
      "footprint": "brcl4054cme.kicad_mod",
      "model_3d": "brcl4054cme-etched.glb",
      "model_3d_plain": "brcl4054cme.glb",
      "model_3d_step": "brcl4054cme-etched.step",
      "model_3d_step_plain": "brcl4054cme.step",
      "lbr": "brcl4054cme.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output (active low). Strong pull-down (~10mA) via internal N-channel MOSFET during charging; weak ~20µA pull-down when charge terminated (AC present); high-impedance in UVLO. Absolute max -0.3 to 10V. Can sink up to 10mA to drive an LED."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return. Also the primary thermal path via the ground lead to the PCB copper heat sink."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge current output to the single-cell Li-Ion battery. Regulates final float voltage to 4.2V (±1%). Supplies up to 500mA charge current; internal precision resistor divider (disconnected in shutdown) sets the float voltage. Absolute max -0.3 to 7V; short-circuit duration is continuous."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply voltage, 4.25V to 6.5V (absolute max -0.3 to 10V). Provides power to the charger; must be bypassed with at least a 1µF capacitor. When VCC drops within 30mV of BAT, the device enters shutdown and IBAT drops below 2µA."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Charge-current program, charge-current monitor, and shutdown pin. A 1% resistor RPROG from PROG to GND sets ICHG = 1000V / RPROG (e.g. 2k → 500mA, 10k → 100mA). In constant-current mode this pin servos to 1V; IBAT = (VPROG/RPROG) × 1000. Floating the pin lets an internal 3µA pull-up drive PROG above the 1.21V shutdown threshold, forcing shutdown mode (ICC drops to 25µA). Pin is clamped to ~2.4V; driving beyond can draw up to 1.5mA."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C305436",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:54:42Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "brcl4054cme.step",
        "role": "plain",
        "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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "brcl4054cme-etched.step",
        "role": "eda",
        "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": "dbc77bbe8b93f3e9e8fb83c1219595c17d5bcf3be00ef0558fd3f3355a5959e5",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}