BQ76925RGER

{
  "slug": "bq76925rger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, VQFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq76925rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq76925rger.kicad_sym",
    "bq76925rger.kicad_mod",
    "bq76925rger.glb",
    "bq76925rger.step",
    "bq76925rger.lbr",
    "docs/hero.png",
    "docs/bq76925rger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BQ76925RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq76925",
    "parts": {
      "symbol": "bq76925rger.kicad_sym",
      "footprint": "bq76925rger.kicad_mod",
      "model_3d": "bq76925rger-etched.glb",
      "model_3d_plain": "bq76925rger.glb",
      "model_3d_step": "bq76925rger-etched.step",
      "model_3d_step_plain": "bq76925rger.step",
      "lbr": "bq76925rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2859950"
    },
    "pins": [
      {
        "number": "1",
        "name": "VC6",
        "type": "input",
        "description": "Cell 6 voltage sense input for the most positive cell terminal in the battery stack."
      },
      {
        "number": "2",
        "name": "VC5",
        "type": "input",
        "description": "Cell 5 voltage sense input for the second most positive cell terminal."
      },
      {
        "number": "3",
        "name": "VC4",
        "type": "input",
        "description": "Cell 4 voltage sense input for the third most positive cell terminal."
      },
      {
        "number": "4",
        "name": "VC3",
        "type": "input",
        "description": "Cell 3 voltage sense input for the fourth most positive cell terminal."
      },
      {
        "number": "5",
        "name": "VC2",
        "type": "input",
        "description": "Cell 2 voltage sense input for the fifth most positive cell terminal."
      },
      {
        "number": "6",
        "name": "VC1",
        "type": "input",
        "description": "Cell 1 voltage sense input for the least positive cell terminal."
      },
      {
        "number": "7",
        "name": "VC0",
        "type": "input",
        "description": "Cell 0 voltage sense input for the negative terminal of the cell stack with maximum voltage of ±3 V."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground (0 V) reference for all analog and digital circuits."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection - leave unconnected."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection - leave unconnected."
      },
      {
        "number": "11",
        "name": "SENSEN",
        "type": "input",
        "description": "Negative sense input for current measurement through external sense resistor with 0 V reference."
      },
      {
        "number": "12",
        "name": "SENSEP",
        "type": "input",
        "description": "Positive sense input for current measurement with input voltage range of -125 to +375 mV."
      },
      {
        "number": "13",
        "name": "ALERT",
        "type": "tri_state",
        "description": "Open-drain overcurrent alert output sinking 1 mA at maximum 0.4 V with 100 µs response time."
      },
      {
        "number": "14",
        "name": "VIOUT",
        "type": "output",
        "description": "Current measurement analog output voltage with range 0.25 to 1.25 V at REF_SEL=0 or 0.5 to 2.5 V at REF_SEL=1."
      },
      {
        "number": "15",
        "name": "VCOUT",
        "type": "output",
        "description": "Cell voltage measurement analog output with gain of 0.3 or 0.6 and output range 0 to 1.5 V or 0 to 3 V."
      },
      {
        "number": "16",
        "name": "VTB",
        "type": "output",
        "description": "Thermistor bias voltage output supplying 1 mA bias current for external NTC thermistor network."
      },
      {
        "number": "17",
        "name": "VREF",
        "type": "power_in",
        "description": "Precision reference voltage output of 1.5 V or 3.0 V selectable via I2C with ±0.1% accuracy after calibration."
      },
      {
        "number": "18",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line with open-drain bidirectional output, voltage range 0 to 5.5 V, rates up to 100 kHz."
      },
      {
        "number": "19",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input with open-drain pull-down capability, voltage range 0 to 5.5 V, rates up to 100 kHz."
      },
      {
        "number": "20",
        "name": "V3P3",
        "type": "power_out",
        "description": "Regulated 3.3 V output for microcontroller and peripheral supply with maximum output current of 4 mA."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection - leave unconnected."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection - leave unconnected."
      },
      {
        "number": "23",
        "name": "VCTL",
        "type": "output",
        "description": "3.3 V regulator control voltage output for external pass transistor gate or direct connection to BAT pin."
      },
      {
        "number": "24",
        "name": "BAT",
        "type": "power_in",
        "description": "Main power supply input with operating voltage range of 4.2 to 26.4 V and absolute maximum of 36 V."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 46,
        "cost_usd": 0.6249,
        "at": "2026-09-23T01:23:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq76925",
        "pages": 46,
        "sha256": "33df01178ba0bcfc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "bq76925rger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq76925rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}