EUP8209-84DIR1

{
  "slug": "eup8209-84dir1",
  "version": "0.1.0",
  "type": "component",
  "description": "Eutech Microelectronics Battery Management ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "eup8209-84dir1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eup8209-84dir1.kicad_sym",
    "eup8209-84dir1.kicad_mod",
    "eup8209-84dir1.glb",
    "eup8209-84dir1.step",
    "eup8209-84dir1.lbr",
    "docs/hero.png",
    "docs/eup8209-84dir1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eup8209-84dir1-hero.glb",
    "eup8209-84dir1-hero.overlay.json",
    "eup8209-84dir1-etched.glb"
  ],
  "component": {
    "mpn": "EUP8209-84DIR1",
    "manufacturer": "Eutech Microelectronics",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/aab89f978300a67075158d999b633a3a.pdf",
    "parts": {
      "symbol": "eup8209-84dir1.kicad_sym",
      "footprint": "eup8209-84dir1.kicad_mod",
      "model_3d": "eup8209-84dir1-hero.glb",
      "model_3d_plain": "eup8209-84dir1-etched.glb",
      "model_3d_step": "eup8209-84dir1-etched.step",
      "model_3d_step_plain": "eup8209-84dir1.step",
      "lbr": "eup8209-84dir1.lbr"
    },
    "distributor_links": {
      "lcsc": "C370747"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T03:18:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SENSE",
        "type": "input",
        "description": "Current amplifier sense input; a sense resistor RSENSE must be connected between the SENSE and BAT pins, and the maximum charge current equals 100mV/RSENSE."
      },
      {
        "number": "2",
        "name": "NTC",
        "type": "input",
        "description": "NTC thermistor input; with an external 10kΩ NTC to ground it senses battery temperature and stops the charger when out of range, and grounding it disables the temperature qualification."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation, soft-start and shutdown control pin; charging begins at 850mV and pulling COMP below 280mV shuts the charger down."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage input; the EUP8209-84 version is specified with a VCC supply range of 8.9V to 20V."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Power switching output of the buck converter."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "IC ground pin, which also serves as a heat sink and should have generous copper around it."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Charge status output, pulled low by an internal N-channel MOSFET capable of driving an LED and specified with a CHRG output low voltage of 50mV maximum at 1mA."
      },
      {
        "number": "8",
        "name": "BAT",
        "type": "input",
        "description": "Battery sense input, requiring a 22µF bypass capacitor to minimize ripple voltage; when VBAT is within 250mV of VCC the device enters sleep mode, dropping ICC to 10µA."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 19,
        "cost_usd": 0.0008,
        "at": "2026-10-27T03:18:48"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/aab89f978300a67075158d999b633a3a.pdf",
        "pages": 19,
        "sha256": "8a750af83005ce74",
        "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": "eup8209-84dir1.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": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eup8209-84dir1-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": "7136df9f702c394987878617448f42eeb22f702c5e0c309fb89d81fe8d44e126",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}