ETA6986F3W

{
  "slug": "eta6986f3w",
  "version": "0.1.0",
  "type": "component",
  "description": "etasolution Battery Management, QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eta6986f3w",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "eta6986f3w.kicad_sym",
    "eta6986f3w.kicad_mod",
    "eta6986f3w.glb",
    "eta6986f3w.step",
    "eta6986f3w.lbr",
    "docs/hero.png",
    "docs/eta6986f3w-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eta6986f3w-hero.glb",
    "eta6986f3w-hero.overlay.json",
    "eta6986f3w-etched.glb"
  ],
  "component": {
    "mpn": "ETA6986F3W",
    "manufacturer": "etasolution",
    "package": "QFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065848256864256",
    "parts": {
      "symbol": "eta6986f3w.kicad_sym",
      "footprint": "eta6986f3w.kicad_mod",
      "model_3d": "eta6986f3w-hero.glb",
      "model_3d_plain": "eta6986f3w-etched.glb",
      "model_3d_step": "eta6986f3w-etched.step",
      "model_3d_step_plain": "eta6986f3w.step",
      "lbr": "eta6986f3w.lbr"
    },
    "distributor_links": {
      "lcsc": "C7465539"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:42:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "STAT",
        "type": "output",
        "description": "Charging status pin that is pulled low while a charge is in progress and goes high-impedance when charging finishes."
      },
      {
        "number": "2",
        "name": "VTERM",
        "type": "input",
        "description": "Multi-function pin: below 0.2V in charge mode sets charge termination at 4.2V, floating (internally set to 0.3V) sets 4.35V, and with VIN absent a high level enables boost mode (logic input high 1.2V, low 0.4V)."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input OVP sense pin, to be bypassed with a 10uF capacitor to ground; IN absolute maximum voltage is 20V."
      },
      {
        "number": "4",
        "name": "INSNS",
        "type": "input",
        "description": "Input sense pin internally clamped to 6.4V, with a resistor connected from INSNS to IN and a 1uF capacitor to analog ground."
      },
      {
        "number": "5",
        "name": "CP",
        "type": "passive",
        "description": "Charge pump capacitor positive terminal."
      },
      {
        "number": "6",
        "name": "CN",
        "type": "passive",
        "description": "Charge pump capacitor negative terminal."
      },
      {
        "number": "7",
        "name": "INGT",
        "type": "output",
        "description": "Gate driver pin that controls the external NMOS power path; INGT absolute maximum voltage is 20V."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "9",
        "name": "OUT",
        "type": "power_out",
        "description": "USB 5V output during boost and charging input pin during charging, to be bypassed with 2x22uF MLCC caps placed as close as possible to the pin and PGND; OUT absolute maximum voltage is 6V."
      },
      {
        "number": "10",
        "name": "SW",
        "type": "passive",
        "description": "Switching pin; connect an inductor between this pin and BATT."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin."
      },
      {
        "number": "14",
        "name": "BATS",
        "type": "input",
        "description": "Battery voltage sense pin, to be connected to the battery positive terminal with a separate sensing wire to avoid voltage drop for accurate battery CV charging."
      },
      {
        "number": "15",
        "name": "IOLIM",
        "type": "passive",
        "description": "Sets the output current limit in boost mode; connect a resistor (Rlim) and a 470pF capacitor in parallel from this pin to analog ground."
      },
      {
        "number": "16",
        "name": "SW",
        "type": "passive",
        "description": "Switching pin; connect an inductor between this pin and BATT."
      },
      {
        "number": "17",
        "name": "OUT",
        "type": "power_out",
        "description": "USB 5V output during boost and charging input pin during charging, to be bypassed with 2x22uF MLCC caps placed as close as possible to the pin and PGND; OUT absolute maximum voltage is 6V."
      },
      {
        "number": "18",
        "name": "NTC",
        "type": "input",
        "description": "Battery temperature monitoring input that sets the valid temperature operating range for both battery charging and discharging."
      },
      {
        "number": "19",
        "name": "LDO1V",
        "type": "power_out",
        "description": "1V LDO output that sets up the voltage reference for the NTC resistor network, to be bypassed with a 22pF capacitor to analog ground."
      },
      {
        "number": "20",
        "name": "ISET",
        "type": "passive",
        "description": "Buck charging current setting pin; a resistor connected between this pin and analog ground sets the charge current level."
      },
      {
        "number": "21",
        "name": "OUT",
        "type": "power_out",
        "description": "Listed in the datasheet pin table as OUT (same function as pins 9 and 17), though the package is a 20-lead QFN."
      }
    ],
    "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 package is QFN3x3-20 (20 leads), but the pin table lists OUT at pin 21. The text does not identi; OUT is described as both the boost output and the charging input. Type is set to power_out as the pr; IN is labelled only as an 'Input OVP sense pin' with a 20V absolute maximum; it is typed power_in on"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0493,
        "at": "2026-10-18T00:40:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065848256864256",
        "pages": 7,
        "sha256": "5773051aebdbb45a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0ee4e1082236390795238cd34b082d96efd160d6292c636cc40201a5a30cdc63",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eta6986f3w-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
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        "sha256": "b5614a5530e86e6a00fe52bbf657fdc5a8b1403e42f1b4b03a03fd3e0268f5a2",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}