EG4328

{
  "slug": "eg4328",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro Battery Management ICs, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "eg4328",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg4328.kicad_sym",
    "eg4328.kicad_mod",
    "eg4328.glb",
    "eg4328.step",
    "eg4328.lbr",
    "docs/hero.png",
    "docs/eg4328-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg4328-hero.glb",
    "eg4328-hero.overlay.json",
    "eg4328-etched.glb"
  ],
  "component": {
    "mpn": "EG4328",
    "manufacturer": "EG Micro",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0dfe33ef184626f6c5bbca67f5a4a907.pdf",
    "parts": {
      "symbol": "eg4328.kicad_sym",
      "footprint": "eg4328.kicad_mod",
      "model_3d": "eg4328-hero.glb",
      "model_3d_plain": "eg4328-etched.glb",
      "model_3d_step": "eg4328-etched.step",
      "model_3d_step_plain": "eg4328.step",
      "lbr": "eg4328.lbr"
    },
    "distributor_links": {
      "lcsc": "C481165"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:35:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VREF",
        "type": "power_out",
        "description": "2.5V reference (±1%, 2.475-2.525V at VCC=5V, max 1mA output) with an external 0.1uF capacitor, used as the internal ADC reference."
      },
      {
        "number": "2",
        "name": "AD0",
        "type": "input",
        "description": "ADC input channel 0 of the 8-channel 10-bit ADC."
      },
      {
        "number": "3",
        "name": "AD5",
        "type": "input",
        "description": "ADC input channel 5 of the 8-channel 10-bit ADC."
      },
      {
        "number": "4",
        "name": "VFB1",
        "type": "input",
        "description": "Voltage feedback input 1, with a configurable voltage-loop reference of 1.05V to 1.425V."
      },
      {
        "number": "5",
        "name": "IAPO",
        "type": "output",
        "description": "Current signal amplifier output, with an external 0.1uF capacitor."
      },
      {
        "number": "6",
        "name": "IFB",
        "type": "input",
        "description": "Current feedback input, with a configurable internal reference of 1mV to 112mV."
      },
      {
        "number": "7",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock line (slave mode, up to 100kbps); a falling edge wakes the chip from sleep."
      },
      {
        "number": "8",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data line (slave mode, write address 0xB4, read address 0xB5)."
      },
      {
        "number": "9",
        "name": "VFB2",
        "type": "input",
        "description": "Voltage feedback input 2, with a configurable reference of 1.05V to 1.272V."
      },
      {
        "number": "10",
        "name": "VOUT",
        "type": "output",
        "description": "Voltage and current error amplifier output (VOL max 0.5V at 5mA sink)."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply pin, 2.5V to 5.5V operating (absolute maximum 6V)."
      },
      {
        "number": "13",
        "name": "LED4",
        "type": "output",
        "description": "Battery level indicator LED4 output with adjustable constant current (0.4mA to 5.88mA)."
      },
      {
        "number": "14",
        "name": "LED3",
        "type": "output",
        "description": "Battery level indicator LED3 output with adjustable constant current (0.4mA to 5.88mA)."
      },
      {
        "number": "15",
        "name": "LED2",
        "type": "output",
        "description": "Battery level indicator LED2 output with adjustable constant current (0.4mA to 5.88mA)."
      },
      {
        "number": "16",
        "name": "LED1",
        "type": "output",
        "description": "Battery level indicator LED1 output with adjustable constant current (0.4mA to 5.88mA)."
      }
    ],
    "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: The pin table (page 6) was used. The pin figure on page 5 has scrambled text, so it can't be compare; The datasheet table gives pin 1 VREF only as 'Power'. I classed it as power_out because it is a 2.5V; Register 0x09 describes LEDCTL bits as controlling LED2 to LED5, but the package has only LED1 to LE"
        ],
        "pages_sent": 18,
        "cost_usd": 0.1343,
        "at": "2026-10-23T03:34:44"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0dfe33ef184626f6c5bbca67f5a4a907.pdf",
        "pages": 18,
        "sha256": "a2b8f46853512855",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "eg4328.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg4328-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b1c718847eb58eca1be5154bd483d746b529f1dd3d18f9e7f26419f0701cee38",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}