BQ294705DSGR

{
  "slug": "bq294705dsgr",
  "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)",
    "bq294705dsgr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bq294705dsgr.kicad_sym",
    "bq294705dsgr.kicad_mod",
    "bq294705dsgr.glb",
    "bq294705dsgr.step",
    "bq294705dsgr.lbr",
    "docs/hero.png",
    "docs/bq294705dsgr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "component": {
    "mpn": "BQ294705DSGR",
    "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": "bq294705dsgr.kicad_sym",
      "footprint": "bq294705dsgr.kicad_mod",
      "model_3d": "bq294705dsgr-etched.glb",
      "model_3d_plain": "bq294705dsgr.glb",
      "model_3d_step": "bq294705dsgr-etched.step",
      "model_3d_step_plain": "bq294705dsgr.step",
      "lbr": "bq294705dsgr.lbr"
    },
    "distributor_links": {
      "lcsc": "C528630"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Unregulated IC power input, recommended range 3V to 20V, absolute max 30V; typically filtered with a series resistor and decoupling capacitor to VSS."
      },
      {
        "number": "2",
        "name": "V4",
        "type": "input",
        "description": "Analog sense input for the positive terminal voltage of the fourth (topmost) cell from the bottom of the battery stack, monitored as V4-V3 for overvoltage detection."
      },
      {
        "number": "3",
        "name": "V3",
        "type": "input",
        "description": "Analog sense input for the positive terminal voltage of the third cell from the bottom of the battery stack, monitored as V3-V2 for overvoltage detection."
      },
      {
        "number": "4",
        "name": "V2",
        "type": "input",
        "description": "Analog sense input for the positive terminal voltage of the second cell from the bottom of the battery stack, monitored as V2-V1 for overvoltage detection."
      },
      {
        "number": "5",
        "name": "V1",
        "type": "input",
        "description": "Analog sense input for the positive terminal voltage of the bottommost cell in the battery stack, monitored as V1-VSS for overvoltage detection."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference pin, electrically connected to the IC ground and to the negative terminal of the bottommost cell in the battery pack."
      },
      {
        "number": "7",
        "name": "CD",
        "type": "output",
        "description": "Analog output/timing pin for connection of an external capacitor that sets the overvoltage fault delay timer (tCD = K x CCD, K=10 to 20); also includes open/short timeout detection on this pin."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "output",
        "description": "Analog output driver for the overvoltage fault signal; for this active-high CMOS version (BQ294705), OUT is pulled high (toward VDD) when an overvoltage fault is active and driven low (typ. 250-400 mV) when no fault is present."
      },
      {
        "number": "9",
        "name": "PowerPAD",
        "type": "power_in",
        "description": "Exposed thermal pad; TI recommends connecting the exposed pad to VSS on the PCB, and it must be soldered to the board for proper thermal and mechanical 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 (pin 9) designated in datasheet stencil documentation (page 29) but may not have numeric",
          "1/9 pins cited to the wrong page (name found elsewhere): ['9:PWPD@p4']"
        ],
        "pages_sent": 30,
        "cost_usd": 0.3389,
        "at": "2026-09-23T08:59:29"
      },
      "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": [
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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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          1.98,
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        ],
        "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": "bq294705dsgr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "sha256": "03ccce84da6b393434aadcb00aabb8045ccacfff5dfa4204ee1978b142dfe42e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}