ME4057DSPG-N

{
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  "type": "component",
  "slug": "me4057dspg-n",
  "title": "ME4057DSPG-N",
  "brief": "MICRONE Battery Management ICs, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
    "me4057dspg-n",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "ME4057DSPG-N",
    "manufacturer": "MICRONE",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/50772767c34e5a26f1064a7b738ca982.pdf",
    "parts": {
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      "lbr": "me4057dspg-n.lbr"
    },
    "distributor_links": {
      "lcsc": "C2925766"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:09:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature sense input for an external NTC/PTC divider; charging stops when TEMP voltage is below 45% or above 80% of VCC, and it can be tied to GND to disable temperature sensing."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Constant-charge-current set and charge-current monitor pin; a resistor RPROG to ground sets the charge current via I = (VPROG/RPROG)*1100, with VPROG typically 1.0V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin powering the internal circuit (4.0V to 9.0V operating); the chip enters sleep mode when VCC falls within 80mV of the BAT voltage, reducing battery leakage to below 2uA."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection pin; charge termination (float) voltage is fixed at 4.35V for the ME4057DSPG-N variant."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete status indicator that is pulled low when charge termination is detected and high-impedance otherwise."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charging status indicator that is pulled low while the battery is charging and high-impedance otherwise."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input; high enables normal operation, low stops the chip, and it can be driven by TTL or CMOS logic."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 6 and 7 names are not printed in the extracted text (the overbar names were lost). STDBY and CHR; The pin diagram and exposed thermal PAD are not shown in the extracted text. The datasheet mentions ; The BAT pin description gives a float voltage of 4.2V/4.34V, but the electrical table gives 4.35V (4",
          "2/9 pins cited to the wrong page (name found elsewhere): ['6:STDBY@p3', '7:CHRG@p3']"
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      "Manufacturer": "MICRONE",
      "Package": "ESOP-8",
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