BQ294700DSGR

{
  "slug": "bq294700dsgr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, WSON-8-EP(2x2). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq294700dsgr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq294700dsgr.kicad_sym",
    "bq294700dsgr.kicad_mod",
    "bq294700dsgr.glb",
    "bq294700dsgr.step",
    "bq294700dsgr.lbr",
    "docs/hero.png",
    "docs/bq294700dsgr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BQ294700DSGR",
    "manufacturer": "Texas Instruments",
    "package": "WSON-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq2947",
    "parts": {
      "symbol": "bq294700dsgr.kicad_sym",
      "footprint": "bq294700dsgr.kicad_mod",
      "model_3d": "bq294700dsgr-etched.glb",
      "model_3d_plain": "bq294700dsgr.glb",
      "model_3d_step": "bq294700dsgr-etched.step",
      "model_3d_step_plain": "bq294700dsgr.step",
      "lbr": "bq294700dsgr.lbr"
    },
    "distributor_links": {
      "lcsc": "C414622"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, operating range 3V to 20V per recommended operating conditions."
      },
      {
        "number": "2",
        "name": "V4",
        "type": "input",
        "description": "Analog input for detection of fourth cell positive voltage (top cell in 4S configuration), 0V to 5V range relative to VSS."
      },
      {
        "number": "3",
        "name": "V3",
        "type": "input",
        "description": "Analog input for detection of third cell positive voltage, 0V to 5V range relative to VSS."
      },
      {
        "number": "4",
        "name": "V2",
        "type": "input",
        "description": "Analog input for detection of second cell positive voltage, 0V to 5V range relative to VSS."
      },
      {
        "number": "5",
        "name": "V1",
        "type": "input",
        "description": "Analog input for detection of first cell positive voltage (bottom cell), 0V to 5V range relative to VSS."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference connected to IC ground and negative terminal of lowest cell in battery pack; voltage reference for all cell comparisons."
      },
      {
        "number": "7",
        "name": "CD",
        "type": "output",
        "description": "External delay timer capacitor connection (0.1µF to 1.0µF nominal), charged and discharged by IC to set overvoltage protection delay of 1s to 2s."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "output",
        "description": "Overvoltage fault signal output, active-high CMOS logic (6V high, 250-400mV low) for BQ294700 variant with 4.5mA source and 14mA sink current capability."
      },
      {
        "number": "9",
        "name": "PWPD",
        "type": "power_in",
        "description": "Exposed thermal pad for improved thermal dissipation; must be soldered to VSS or ground plane on PCB for thermal performance."
      }
    ],
    "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": [
          "extractor flagged: Thermal pad (PWPD) assigned pin number '9' based on sequential convention and board layout reference",
          "1/9 pins cited to the wrong page (name found elsewhere): ['9:PWPD@p4']"
        ],
        "pages_sent": 30,
        "cost_usd": 0.3255,
        "at": "2026-09-23T07:05:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq2947",
        "pages": 30,
        "sha256": "0bb66de94396f561",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq294700dsgr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7672cac8d88d8679800ef3bf90954e7996ea74e8ddb1f157f2d82bca6b2015e4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq294700dsgr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "29ba5e8b1c09016fa687b337c5621e2e46f3a0bb298459fb64a13168b3d0bf00",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}