EG4319

{
  "slug": "eg4319",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro Battery Management, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eg4319",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg4319.kicad_sym",
    "eg4319.kicad_mod",
    "eg4319.glb",
    "eg4319.step",
    "eg4319.lbr",
    "docs/hero.png",
    "docs/eg4319-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg4319-hero.glb",
    "eg4319-hero.overlay.json",
    "eg4319-etched.glb"
  ],
  "component": {
    "mpn": "EG4319",
    "manufacturer": "EG Micro",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882531730509824",
    "parts": {
      "symbol": "eg4319.kicad_sym",
      "footprint": "eg4319.kicad_mod",
      "model_3d": "eg4319-hero.glb",
      "model_3d_plain": "eg4319-etched.glb",
      "model_3d_step": "eg4319-etched.step",
      "model_3d_step_plain": "eg4319.step",
      "lbr": "eg4319.lbr"
    },
    "distributor_links": {
      "lcsc": "C81698"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:02:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input with an operating range of 3.5 V to 18 V, and a absolute maximum VCC rating of 20 V."
      },
      {
        "number": "2",
        "name": "LED_G",
        "type": "output",
        "description": "Green LED indicator output for the float/charge-complete state, able to drive up to 20 mA per section 8.7."
      },
      {
        "number": "3",
        "name": "LED_Red",
        "type": "output",
        "description": "Red LED indicator output for charge-in-progress, able to drive up to 300 mA per section 8.7."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "5",
        "name": "Isense",
        "type": "input",
        "description": "Constant-current sense input whose internal reference is 140 mV for EG4319, with Rsense = 140 mV / Ilimit."
      },
      {
        "number": "6",
        "name": "Vf",
        "type": "output",
        "description": "Float-voltage control output with a 20 mV internal reference for EG4319; it is pulled to GND in the constant-voltage stage and left open in the float stage."
      },
      {
        "number": "7",
        "name": "Vctrl",
        "type": "input",
        "description": "Output-voltage sense input referenced to an internal 2.5 V reference (VREF 2.475 V to 2.525 V)."
      },
      {
        "number": "8",
        "name": "Vout",
        "type": "output",
        "description": "Output control pin that can only sink current, with an output withstand rating of 20 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers the EG4318/EG4319/EG4320 family and lists both DIP8 (section 9.1) and SO8 (sect; Pin 1 description and pin 8 description include the 20 V limit from the absolute maximum table (page; Pin 2 and pin 3 LED drive capabilities are stated in section 8.7 for the EG4318/EG4319 family and ar"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0716,
        "at": "2026-10-17T23:00:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882531730509824",
        "pages": 19,
        "sha256": "5ec5ec9aca410e78",
        "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": [
      {
        "file": "eg4319.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg4319-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "975e8aab671d7c5124c98fe586d710477bb6b5cd8916d5d6b72bbf3f74800600",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}