BQ7791502PWR

{
  "slug": "bq7791502pwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq7791502pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq7791502pwr.kicad_sym",
    "bq7791502pwr.kicad_mod",
    "bq7791502pwr.glb",
    "bq7791502pwr.step",
    "bq7791502pwr.lbr",
    "docs/hero.png",
    "docs/bq7791502pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BQ7791502PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq77915",
    "parts": {
      "symbol": "bq7791502pwr.kicad_sym",
      "footprint": "bq7791502pwr.kicad_mod",
      "model_3d": "bq7791502pwr-etched.glb",
      "model_3d_plain": "bq7791502pwr.glb",
      "model_3d_step": "bq7791502pwr-etched.step",
      "model_3d_step_plain": "bq7791502pwr.step",
      "lbr": "bq7791502pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865574",
      "digikey": "296-BQ7791502PWRTR-ND",
      "mouser": "595-BQ7791502PWR"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T08:40:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-BQ7791502PWRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ7791502PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input operating from 3 to 25 V."
      },
      {
        "number": "2",
        "name": "AVDD",
        "type": "power_out",
        "description": "Analog supply output; connect only to capacitor, output voltage 2.1 to 3.6 V."
      },
      {
        "number": "3",
        "name": "VC5",
        "type": "input",
        "description": "Cell voltage sense input for highest cell in 5-series configuration, input range 0 to 5 V."
      },
      {
        "number": "4",
        "name": "VC4",
        "type": "input",
        "description": "Cell voltage sense input for 4-series cell measurement, input range 0 to 5 V."
      },
      {
        "number": "5",
        "name": "VC3",
        "type": "input",
        "description": "Cell voltage sense input for 3-series cell measurement, input range 0 to 5 V."
      },
      {
        "number": "6",
        "name": "VC2",
        "type": "input",
        "description": "Cell voltage sense input for 2-series cell measurement, input range 0 to 5 V."
      },
      {
        "number": "7",
        "name": "VC1",
        "type": "input",
        "description": "Cell voltage sense input for 1-series cell measurement, input range 0 to 5 V."
      },
      {
        "number": "8",
        "name": "VC0",
        "type": "input",
        "description": "Cell voltage sense input for lowest cell measurement, input range 0 to 3.6 V."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Analog ground reference pin."
      },
      {
        "number": "10",
        "name": "SRP",
        "type": "input",
        "description": "Current sense input connected to battery-side of sense resistor, input range -0.2 to 0.8 V."
      },
      {
        "number": "11",
        "name": "SRN",
        "type": "input",
        "description": "Current sense input connected to pack-side of sense resistor, input range -0.2 to 0.8 V."
      },
      {
        "number": "12",
        "name": "DSG",
        "type": "output",
        "description": "DSG FET driver output with 0 to 16 V range and fast switching to control discharge FET."
      },
      {
        "number": "13",
        "name": "CHG",
        "type": "output",
        "description": "CHG FET driver output with -30 to 20 V absolute rating and body diode protection capability."
      },
      {
        "number": "14",
        "name": "LD",
        "type": "input",
        "description": "Load removal detection input from PACK- terminal, absolute range -30 to 20 V."
      },
      {
        "number": "15",
        "name": "LPWR",
        "type": "output",
        "description": "HIBERNATE mode communication pin output; connect to PRES of lower device in stack, output range -30 to 3.6 V."
      },
      {
        "number": "16",
        "name": "CBI",
        "type": "input",
        "description": "Cell balancing input; drive low to enable cell balancing or leave floating to disable, input range 0 to 3.6 V."
      },
      {
        "number": "17",
        "name": "OCDP",
        "type": "input",
        "description": "OCD1/2 fault detection delay programming input; connect external resistor to VSS (10-M\u03a9 for upper devices), input range 0 to 3.6 V."
      },
      {
        "number": "18",
        "name": "TS",
        "type": "input",
        "description": "Thermistor measurement input for temperature protection using 103AT NTC thermistor, input range 0 to VTB."
      },
      {
        "number": "19",
        "name": "VTB",
        "type": "output",
        "description": "Thermistor bias output driving 10-k\u03a9 pullup resistor to thermistor, output range 0 to 3 V."
      },
      {
        "number": "20",
        "name": "CCFG",
        "type": "input",
        "description": "Cell in-series configuration input for selecting 3-, 4-, or 5-series cell count, input range 0 to 3.6 V."
      },
      {
        "number": "21",
        "name": "CBO",
        "type": "output",
        "description": "Cell balancing output for stacked device connectivity; connect via 10-k\u03a9 resistor to upper device CBI pin, output range 0 to VDD."
      },
      {
        "number": "22",
        "name": "PRES",
        "type": "input",
        "description": "HIBERNATE mode input; drive high (>1.5 V) for normal operation or leave floating for low-power hibernation, input range 0 to 36 V."
      },
      {
        "number": "23",
        "name": "CTRC",
        "type": "input",
        "description": "CHG FET driver override input for external control or upper device CHG cascade connection, input range 0 to VDD+5 V."
      },
      {
        "number": "24",
        "name": "CTRD",
        "type": "input",
        "description": "DSG FET driver override input for external control or upper device DSG cascade connection, input range 0 to VDD+5 V."
      }
    ],
    "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": [],
        "pages_sent": 56,
        "cost_usd": 0.5198,
        "at": "2026-09-27T08:40:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq77915",
        "pages": 56,
        "sha256": "0b1cab63aa1e53ef",
        "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"
    }
  }
}