BQ7790512PWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq7790512pwr",
  "title": "BQ7790512PWR",
  "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": [
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    "power management (pmic)",
    "bq7790512pwr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "BQ7790512PWR",
    "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",
    "parts": {
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      "lbr": "bq7790512pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C555146"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input with recommended operating range 3 V to 25 V and power-on reset threshold at 4 V."
      },
      {
        "number": "2",
        "name": "AVDD",
        "type": "power_out",
        "description": "Regulated analog supply output for capacitor connection only, typical operating range 2.1 V to 3.25 V."
      },
      {
        "number": "3",
        "name": "VC5",
        "type": "input",
        "description": "Cell 5 voltage sense input with 0 V to 5 V recommended operating range and programmable overvoltage threshold 3 V to 4.575 V."
      },
      {
        "number": "4",
        "name": "VC4",
        "type": "input",
        "description": "Cell 4 voltage sense input with 0 V to 5 V recommended operating range and programmable overvoltage threshold 3 V to 4.575 V."
      },
      {
        "number": "5",
        "name": "VC3",
        "type": "input",
        "description": "Cell 3 voltage sense input with 0 V to 5 V recommended operating range and programmable overvoltage threshold 3 V to 4.575 V."
      },
      {
        "number": "6",
        "name": "VC2",
        "type": "input",
        "description": "Cell 2 voltage sense input with 0 V to 5 V recommended operating range and programmable overvoltage threshold 3 V to 4.575 V."
      },
      {
        "number": "7",
        "name": "VC1",
        "type": "input",
        "description": "Cell 1 voltage sense input with 0 V to 5 V recommended operating range and programmable overvoltage threshold 3 V to 4.575 V."
      },
      {
        "number": "8",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference for low-current analog circuits."
      },
      {
        "number": "9",
        "name": "SRP",
        "type": "input",
        "description": "Current sense positive input connecting to battery side of sense resistor with -0.2 V to 0.8 V recommended operating range."
      },
      {
        "number": "10",
        "name": "SRN",
        "type": "input",
        "description": "Current sense negative input connecting to PACK- side of sense resistor with -0.2 V to 0.8 V recommended operating range."
      },
      {
        "number": "11",
        "name": "DSG",
        "type": "output",
        "description": "Discharge FET driver output, 0 V to 16 V, switches off during undervoltage, open-wire, overcurrent, and temperature discharge faults."
      },
      {
        "number": "12",
        "name": "CHGU",
        "type": "output",
        "description": "Charge FET signal for upper stacked device configuration, 0 V to 16 V range, connects to CTRC pin of lower device."
      },
      {
        "number": "13",
        "name": "CHG",
        "type": "output",
        "description": "Charge FET driver output for single or bottom stacked device, 0 V to 16 V range, switches off during overvoltage, overcurrent, and temperature faults."
      },
      {
        "number": "14",
        "name": "LD",
        "type": "input",
        "description": "Load removal detection input for PACK- terminal with recommended operating range 0 V to 16 V and absolute maximum -30 V to 20 V."
      },
      {
        "number": "15",
        "name": "TS",
        "type": "input",
        "description": "Thermistor measurement input with 0 V to VTB recommended range for temperature-based charge and discharge protection."
      },
      {
        "number": "16",
        "name": "VTB",
        "type": "output",
        "description": "Thermistor bias output voltage with 0 V to 3 V range, supplies bias current for external NTC thermistor pull-up resistor."
      },
      {
        "number": "17",
        "name": "CCFG",
        "type": "input",
        "description": "Cell configuration input from 0 V to AVDD range for selecting 3-cell, 4-cell, or 5-cell pack mode."
      },
      {
        "number": "18",
        "name": "CTRC",
        "type": "input",
        "description": "Charge FET override control input with 0 V to (VDD + 5 V) range for external enabling or disabling of CHG driver."
      },
      {
        "number": "19",
        "name": "CTRD",
        "type": "input",
        "description": "Discharge FET override control input with 0 V to (VDD + 5 V) range for external enabling or disabling of DSG driver."
      },
      {
        "number": "20",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground reference for high-current digital circuits."
      }
    ],
    "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": 48,
        "cost_usd": 0.5529,
        "at": "2026-09-24T05:18:24"
      },
      "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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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "d0ed19c6129fe2b6cf629aa5e4f23b06adb8165364648de3a40810ca3b5cbe7e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-20",
      "Category": "Power Management (PMIC)",
      "Pins": "20"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_pitch": "BQ7790512PWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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