ME4057ASPG-N

{
  "schema_version": 1,
  "type": "component",
  "slug": "me4057aspg-n",
  "title": "ME4057ASPG-N",
  "brief": "MICRONE Battery Management, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "me4057aspg-n"
  ],
  "component": {
    "mpn": "ME4057ASPG-N",
    "manufacturer": "MICRONE",
    "package": "ESOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/50772767c34e5a26f1064a7b738ca982.pdf",
    "parts": {
      "symbol": "me4057aspg-n.kicad_sym",
      "footprint": "me4057aspg-n.kicad_mod",
      "model_3d": "me4057aspg-n-etched.glb",
      "model_3d_plain": "me4057aspg-n.glb",
      "model_3d_step": "me4057aspg-n-etched.step",
      "model_3d_step_plain": "me4057aspg-n.step",
      "lbr": "me4057aspg-n.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature sense input. Connect to an external NTC thermistor divider to monitor battery temperature; charging is suspended when V(TEMP) is below 45%*VCC or above 80%*VCC (over/under temperature). Tie directly to GND if temperature monitoring is not used."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Constant-current program and charge-current monitor pin. An external resistor R_PROG from PROG to GND sets the fast-charge current per I_BAT = (V_PROG / R_PROG) * 1100, with V_PROG ≈ 1.0V. Typical values: R_PROG = 1.1kΩ → 1000mA, 2.2kΩ → 500mA."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. The exposed thermal PAD on the ESOP-8 package should also be soldered to the GND plane to improve thermal dissipation for the internal pass MOSFET."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip input supply pin, typically from a USB port or AC adapter. Operating range 4.0V to 9.0V (absolute max 10V); when VCC drops to within ~80mV of V(BAT) the chip shuts down and enters sleep mode (leakage < 2µA)."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection / charge current output. Regulated float voltage is 4.2V (ME4057ASPG-N) with ±1% accuracy; supplies up to 1A programmed charge current to a single Li-ion/Li-polymer cell."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete (standby) status indicator, active low. Internal N-channel pulls STDBY low when charging has terminated (charge current below C/10); high-impedance otherwise."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status indicator, active low. Internal N-channel pulls CHRG low while a charge cycle is in progress; high-impedance in all other states."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input. Drive high to enable normal charger operation, drive low to shut the chip down. Compatible with TTL or CMOS logic levels; absolute max 10V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/50772767c34e5a26f1064a7b738ca982.pdf",
        "pages": 17,
        "sha256": "3b33536d2bdfda15",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "me4057aspg-n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "extents_mm": [
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        "zmin_mm": -0.0,
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        "sha256": "5c9d7c917187b966ec79f02f51580ce385c31a09c9f1e7f51ad5df457cfecbc6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MICRONE",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "ME4057ASPG-N",
      "kind": "packaging"
    },
    {
      "mpn": "ME4057ASPG-NDSPG-N",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "me4057aspg-n"
  ],
  "discovery_pitch": "ME4057ASPG-N (MICRONE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "me4057aspg-n.kicad_sym",
    "me4057aspg-n.kicad_mod",
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    "me4057aspg-n.step",
    "me4057aspg-n.lbr",
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    "docs/me4057aspg-n-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T01:39:46.793Z"
}