ME4054BM5G-N

{
  "schema_version": 1,
  "type": "component",
  "slug": "me4054bm5g-n",
  "title": "ME4054BM5G-N",
  "brief": "MICRONE Battery Management, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "me4054bm5g-n"
  ],
  "component": {
    "mpn": "ME4054BM5G-N",
    "manufacturer": "MICRONE",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f4052de57e97004cf68f0f4944c76a97.pdf",
    "parts": {
      "symbol": "me4054bm5g-n.kicad_sym",
      "footprint": "me4054bm5g-n.kicad_mod",
      "model_3d": "me4054bm5g-n-etched.glb",
      "model_3d_plain": "me4054bm5g-n.glb",
      "model_3d_step": "me4054bm5g-n-etched.step",
      "model_3d_step_plain": "me4054bm5g-n.step",
      "lbr": "me4054bm5g-n.lbr"
    },
    "distributor_links": {
      "lcsc": "C478383"
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output. Pulled low by an internal N-channel switch while a charge cycle is in progress; high-impedance otherwise (VOL ≈ 0.3 V at ICHRG = 5 mA, max 0.6 V). Absolute max pin voltage 6.5 V. Tie through an LED+resistor (typ 1 kΩ) to VCC or leave with a pull-up."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Return for VCC, BAT, and PROG. Must be tied to the PCB ground plane; also serves as the primary thermal path for the SOT-23-5."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection pin. Sources up to 500 mA of charge current to the single-cell Li-Ion cell and regulates the float voltage to 4.2 V ±1%. In shutdown/sleep mode BAT sink current drops to <2 µA. Absolute max voltage −0.3 to 6.5 V; absolute max current 500 mA."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply (typ 5 V, operating 4.0-6.5 V; recommended ≤5.5 V at 0.5 A charge). Powers all internal circuitry and the pass MOSFET. When VCC drops within ~80 mV of VBAT (VASD), the device enters low-power sleep mode (IBAT < 2 µA). Bypass with a 1 µF capacitor to GND."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "passive",
        "description": "Charge-current program and monitor pin. A resistor RPROG from PROG to GND sets the constant-current charge level: ICHG = 1000 V / RPROG (e.g. 2 kΩ → 500 mA, 10 kΩ → 100 mA). Regulated to 1 V in CC mode and 0.1 V in precharge; measuring VPROG gives IBAT = 1000·VPROG/RPROG. Leaving PROG floating puts the chip into disable/shutdown mode. Absolute max −0.3 V to VCC+0.3 V, 800 µA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f4052de57e97004cf68f0f4944c76a97.pdf",
        "pages": 16,
        "sha256": "37421ce407777cbc",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "me4054bm5g-n.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": "me4054bm5g-n-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": "588b80a811109e3ed01c4027ff94d6e474f878d4dcef67ba6ddb4fe90ebc8961",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MICRONE",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "me4054bm5g-n"
  ],
  "discovery_pitch": "ME4054BM5G-N (MICRONE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "me4054bm5g-n.kicad_sym",
    "me4054bm5g-n.kicad_mod",
    "me4054bm5g-n.glb",
    "me4054bm5g-n.step",
    "me4054bm5g-n-etched.step",
    "me4054bm5g-n.lbr",
    "docs/hero.png",
    "docs/me4054bm5g-n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "ME4054BM5G-N",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T01:39:04.140Z"
}