BQ7790511PWR

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  "type": "component",
  "slug": "bq7790511pwr",
  "title": "BQ7790511PWR",
  "brief": "Texas Instruments Battery Management, TSSOP-20. 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)",
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  "component": {
    "mpn": "BQ7790511PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq77905",
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    },
    "distributor_links": {
      "lcsc": "C2863208",
      "digikey": "296-50994-2-ND",
      "mouser": "595-BQ7790511PWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T20:29:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-50994-2-ND",
        "status": "found",
        "lifecycle": "Active"
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        "pn": "595-BQ7790511PWR",
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    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, recommended operating range 3-25V."
      },
      {
        "number": "2",
        "name": "AVDD",
        "type": "power_out",
        "description": "Analog supply output for capacitive decoupling, maximum voltage 3V."
      },
      {
        "number": "3",
        "name": "VC5",
        "type": "input",
        "description": "Cell 5 voltage sense input with measurement range 0-5V."
      },
      {
        "number": "4",
        "name": "VC4",
        "type": "input",
        "description": "Cell 4 voltage sense input with measurement range 0-5V."
      },
      {
        "number": "5",
        "name": "VC3",
        "type": "input",
        "description": "Cell 3 voltage sense input with measurement range 0-5V."
      },
      {
        "number": "6",
        "name": "VC2",
        "type": "input",
        "description": "Cell 2 voltage sense input with measurement range 0-5V."
      },
      {
        "number": "7",
        "name": "VC1",
        "type": "input",
        "description": "Cell 1 voltage sense input with measurement range 0-5V."
      },
      {
        "number": "8",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "9",
        "name": "SRP",
        "type": "input",
        "description": "Current sense input connected to battery side of sense resistor, measurement range -0.2 to 0.8V."
      },
      {
        "number": "10",
        "name": "SRN",
        "type": "input",
        "description": "Current sense input connected to PACK- side of sense resistor, measurement range -0.2 to 0.8V."
      },
      {
        "number": "11",
        "name": "DSG",
        "type": "output",
        "description": "Discharge FET driver output with maximum output voltage 16V."
      },
      {
        "number": "12",
        "name": "CHGU",
        "type": "output",
        "description": "Charge FET signal output for upper device in cascaded stack configuration, maximum voltage 16V."
      },
      {
        "number": "13",
        "name": "CHG",
        "type": "output",
        "description": "Charge FET driver output for single device or bottom of stack configuration, maximum voltage 16V."
      },
      {
        "number": "14",
        "name": "LD",
        "type": "input",
        "description": "PACK- load removal detection input with measurement range 0-16V."
      },
      {
        "number": "15",
        "name": "TS",
        "type": "input",
        "description": "Thermistor measurement input for external temperature sensor, measurement range 0 to VTB."
      },
      {
        "number": "16",
        "name": "VTB",
        "type": "output",
        "description": "Thermistor bias output voltage for external NTC thermistor, maximum voltage 3V."
      },
      {
        "number": "17",
        "name": "CCFG",
        "type": "input",
        "description": "Cell in series configuration input with measurement range 0 to AVDD."
      },
      {
        "number": "18",
        "name": "CTRC",
        "type": "input",
        "description": "CHG and DSG override control input, voltage range 0 to (VDD+5)V."
      },
      {
        "number": "19",
        "name": "CTRD",
        "type": "input",
        "description": "CHG and DSG override control input, voltage range 0 to (VDD+5)V."
      },
      {
        "number": "20",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground reference for the device."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 11,
        "cost_usd": 0.1722,
        "at": "2026-10-05T20:29:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq77905",
        "pages": 48,
        "sha256": "f04162b24e7e7c22",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-20",
      "Category": "Power Management (PMIC)",
      "Pins": "20"
    }
  },
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  "discovery_pitch": "BQ7790511PWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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