BQ294502DRVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq294502drvr",
  "title": "BQ294502DRVR",
  "brief": "Texas Instruments Battery Management, WSON-6-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "bq294502drvr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BQ294502DRVR",
    "manufacturer": "Texas Instruments",
    "package": "WSON-6-EP(2x2)",
    "pin_count": 7,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq294522",
    "parts": {
      "symbol": "bq294502drvr.kicad_sym",
      "footprint": "bq294502drvr.kicad_mod",
      "model_3d": "bq294502drvr-etched.glb",
      "model_3d_plain": "bq294502drvr.glb",
      "model_3d_step": "bq294502drvr-etched.step",
      "model_3d_step_plain": "bq294502drvr.step",
      "lbr": "bq294502drvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2876278",
      "digikey": "296-49562-2-ND",
      "mouser": "595-BQ294502DRVR"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T09:06:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-49562-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ294502DRVR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "V3",
        "type": "input",
        "description": "Sense input for positive voltage of the third (topmost) cell; accepts 0-5 V differential input with external RC filter (RIN, CIN) as required in Section 9.2.1."
      },
      {
        "number": "2",
        "name": "V2",
        "type": "input",
        "description": "Sense input for positive voltage of the second (middle) cell; accepts 0-5 V differential input with external RC filter (RIN, CIN) as required in Section 9.2.1."
      },
      {
        "number": "3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; electrically connected to IC ground and negative terminal of the lowest cell in the battery stack."
      },
      {
        "number": "4",
        "name": "V1",
        "type": "input",
        "description": "Sense input for positive voltage of the first (lowest) cell; accepts 0-5 V differential input with external RC filter (RIN, CIN) as required in Section 9.2.1."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input; operates from 3 to 25 V recommended with quiescent current of 1 µA typical (Section 7.5)."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "N-channel FET gate driver output; transitions high after 4 s fixed delay when any cell voltage exceeds 4.35 V protection threshold, transitions low when all cell voltages fall below threshold minus 300 mV hysteresis (Section 8.3.2)."
      },
      {
        "number": "7",
        "name": "PWRPAD",
        "type": "power_in",
        "description": "Thermal pad internally connected to VSS; must be soldered to circuit board VSS ground plane for proper thermal management and mechanical performance (Section 11.1)."
      }
    ],
    "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-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The thermal pad (PWRPAD) is listed in the pin function table on page 3 without an explicit pin numbe"
        ],
        "pages_sent": 25,
        "cost_usd": 0.2588,
        "at": "2026-09-27T09:05:53"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq294522",
        "pages": 25,
        "sha256": "9a3e52a97d8e79bb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq294502drvr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.98,
          0.82
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a159a524ab16d3406353a16f8c20b59f5679eea26e2d41174628288b5b9da702",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq294502drvr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.98,
          0.82
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a4f07372b2913057f2ccbbdf6f2cf6d08c2aded0a9d9f5795d9fef4c93867d0c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WSON-6-EP(2x2)",
      "Category": "Power Management (PMIC)",
      "Pins": "7"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bq294502drvr"
  ],
  "discovery_pitch": "BQ294502DRVR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq294502drvr.kicad_sym",
    "bq294502drvr.kicad_mod",
    "bq294502drvr.glb",
    "bq294502drvr.step",
    "bq294502drvr.lbr",
    "docs/hero.png",
    "docs/bq294502drvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}