BQ7721606PWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq7721606pwr",
  "title": "BQ7721606PWR",
  "brief": "Texas Instruments Battery Management, TSSOP-24. 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)",
    "bq7721606pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BQ7721606PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq77216",
    "parts": {
      "symbol": "bq7721606pwr.kicad_sym",
      "footprint": "bq7721606pwr.kicad_mod",
      "model_3d": "bq7721606pwr-etched.glb",
      "model_3d_plain": "bq7721606pwr.glb",
      "model_3d_step": "bq7721606pwr-etched.step",
      "model_3d_step_plain": "bq7721606pwr.step",
      "lbr": "bq7721606pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2980997"
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No electrical connection; can be left floating."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input; operating range 5V to 75V."
      },
      {
        "number": "3",
        "name": "V16",
        "type": "input",
        "description": "Cell 16 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "4",
        "name": "V15",
        "type": "input",
        "description": "Cell 15 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "5",
        "name": "V14",
        "type": "input",
        "description": "Cell 14 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "6",
        "name": "V13",
        "type": "input",
        "description": "Cell 13 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "7",
        "name": "V12",
        "type": "input",
        "description": "Cell 12 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "8",
        "name": "V11",
        "type": "input",
        "description": "Cell 11 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "9",
        "name": "V10",
        "type": "input",
        "description": "Cell 10 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "10",
        "name": "V9",
        "type": "input",
        "description": "Cell 9 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "11",
        "name": "V8",
        "type": "input",
        "description": "Cell 8 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "12",
        "name": "V7",
        "type": "input",
        "description": "Cell 7 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "13",
        "name": "V6",
        "type": "input",
        "description": "Cell 6 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "14",
        "name": "V5",
        "type": "input",
        "description": "Cell 5 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No electrical connection; can be left floating."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No electrical connection; can be left floating."
      },
      {
        "number": "17",
        "name": "V4",
        "type": "input",
        "description": "Cell 4 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "18",
        "name": "V3",
        "type": "input",
        "description": "Cell 3 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "19",
        "name": "V2",
        "type": "input",
        "description": "Cell 2 positive voltage detection input from battery pack bottom (0V to 5V per cell)."
      },
      {
        "number": "20",
        "name": "V1",
        "type": "input",
        "description": "Cell 1 positive voltage detection input from battery pack bottom (0V to 5V relative to VSS)."
      },
      {
        "number": "21",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection to IC and battery pack lowest cell negative terminal."
      },
      {
        "number": "22",
        "name": "COUT",
        "type": "output",
        "description": "Output drive for overvoltage, open circuit, undertemperature and overtemperature faults with high-level active 6V drive capability."
      },
      {
        "number": "23",
        "name": "DOUT",
        "type": "output",
        "description": "Output drive for undervoltage, open circuit, undertemperature and overtemperature faults with high-level active 6V drive capability."
      },
      {
        "number": "24",
        "name": "TS",
        "type": "input",
        "description": "Temperature sensor input (0V to 1.5V range); connect via 10kΩ resistor to VSS when unused."
      }
    ],
    "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": [],
        "pages_sent": 29,
        "cost_usd": 0.3393,
        "at": "2026-09-23T10:02:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq77216",
        "pages": 29,
        "sha256": "090af0809348e250",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq7721606pwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          7.8,
          0.97
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq7721606pwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          7.8,
          0.97
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ae76bec7e531decb4dcb5fae2014410b7bbf388d70ab9011da5a85440794a38f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-24",
      "Category": "Power Management (PMIC)",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bq7721606pwr"
  ],
  "discovery_pitch": "BQ7721606PWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq7721606pwr.kicad_sym",
    "bq7721606pwr.kicad_mod",
    "bq7721606pwr.glb",
    "bq7721606pwr.step",
    "bq7721606pwr.lbr",
    "docs/hero.png",
    "docs/bq7721606pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:06:12.441Z"
}