BQ7694202PFBR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq7694202pfbr",
  "title": "BQ7694202PFBR",
  "brief": "Texas Instruments Battery Management, TQFP-48(7x7). 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)",
    "bq7694202pfbr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "BQ7694202PFBR",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-48(7x7)",
    "pin_count": 48,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq76942",
    "parts": {
      "symbol": "bq7694202pfbr.kicad_sym",
      "footprint": "bq7694202pfbr.kicad_mod",
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      "model_3d_step_plain": "bq7694202pfbr.step",
      "lbr": "bq7694202pfbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3682863"
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "2",
        "name": "VC9",
        "type": "input",
        "description": "Sense voltage input and balance current input for the ninth cell from the bottom of the stack."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "4",
        "name": "VC8",
        "type": "input",
        "description": "Sense voltage input and balance current input for the eighth cell from the bottom of the stack."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "6",
        "name": "VC7",
        "type": "input",
        "description": "Sense voltage input and balance current input for the seventh cell from the bottom of the stack."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "8",
        "name": "VC6",
        "type": "input",
        "description": "Sense voltage input and balance current input for the sixth cell from the bottom of the stack."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "10",
        "name": "VC5",
        "type": "input",
        "description": "Sense voltage input and balance current input for the fifth cell from the bottom of the stack."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "12",
        "name": "VC4",
        "type": "input",
        "description": "Sense voltage input and balance current input for the fourth cell from the bottom of the stack."
      },
      {
        "number": "13",
        "name": "VC3",
        "type": "input",
        "description": "Sense voltage input and balance current input for the third cell from the bottom of the stack."
      },
      {
        "number": "14",
        "name": "VC2",
        "type": "input",
        "description": "Sense voltage input and balance current input for the second cell from the bottom of the stack."
      },
      {
        "number": "15",
        "name": "VC1",
        "type": "input",
        "description": "Sense voltage input and balance current input for the first cell from the bottom of the stack."
      },
      {
        "number": "16",
        "name": "VC0",
        "type": "input",
        "description": "Sense voltage input for negative terminal of the first cell and return balance current."
      },
      {
        "number": "17",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "18",
        "name": "SRP",
        "type": "input",
        "description": "Analog input to coulomb counter for integrating differential voltage across sense resistor, positive terminal."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "20",
        "name": "SRN",
        "type": "input",
        "description": "Analog input to coulomb counter for integrating differential voltage across sense resistor, negative terminal."
      },
      {
        "number": "21",
        "name": "TS1",
        "type": "bidirectional",
        "description": "Thermistor input or general purpose ADC/digital output pin."
      },
      {
        "number": "22",
        "name": "TS2",
        "type": "bidirectional",
        "description": "Thermistor input with wakeup from SHUTDOWN capability or general purpose ADC/digital output pin."
      },
      {
        "number": "23",
        "name": "TS3",
        "type": "bidirectional",
        "description": "Thermistor input or general purpose ADC/digital output pin."
      },
      {
        "number": "24",
        "name": "REG18",
        "type": "power_out",
        "description": "Internal 1.8 V LDO output for internal device use only."
      },
      {
        "number": "25",
        "name": "ALERT",
        "type": "bidirectional",
        "description": "Multifunction pin for ALERT output, HDQ interface, thermistor input, ADC input, or digital output."
      },
      {
        "number": "26",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock or SPI clock interface pin."
      },
      {
        "number": "27",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data or SPI MISO interface pin."
      },
      {
        "number": "28",
        "name": "HDQ",
        "type": "bidirectional",
        "description": "HDQ single-wire, SPI MOSI interface, or multifunction ADC/digital pin."
      },
      {
        "number": "29",
        "name": "CFETOFF",
        "type": "bidirectional",
        "description": "Charge FET control, SPI chip select, or multifunction ADC/digital pin."
      },
      {
        "number": "30",
        "name": "DFETOFF",
        "type": "bidirectional",
        "description": "Discharge FET control, BOTHOFF, or multifunction ADC/digital pin."
      },
      {
        "number": "31",
        "name": "DCHG",
        "type": "bidirectional",
        "description": "Charge FET fault signal output or general purpose ADC/digital output pin."
      },
      {
        "number": "32",
        "name": "DDSG",
        "type": "bidirectional",
        "description": "Discharge FET fault signal output or general purpose ADC/digital output pin."
      },
      {
        "number": "33",
        "name": "RST_SHUT",
        "type": "input",
        "description": "Digital input pin for device reset or shutdown control."
      },
      {
        "number": "34",
        "name": "REG2",
        "type": "power_out",
        "description": "Programmable LDO output (1.8 V, 2.5 V, 3.0 V, 3.3 V, or 5.0 V)."
      },
      {
        "number": "35",
        "name": "REG1",
        "type": "power_out",
        "description": "Programmable LDO output (1.8 V, 2.5 V, 3.0 V, 3.3 V, or 5.0 V)."
      },
      {
        "number": "36",
        "name": "REGIN",
        "type": "input",
        "description": "Analog input pin for REG1 and REG2 LDO preregulator control."
      },
      {
        "number": "37",
        "name": "BREG",
        "type": "tri_state",
        "description": "Open-drain output for external NPN BJT base control in preregulator circuit."
      },
      {
        "number": "38",
        "name": "FUSE",
        "type": "bidirectional",
        "description": "Open-drain fuse sense and drive pin for secondary protector circuit integration."
      },
      {
        "number": "39",
        "name": "PDSG",
        "type": "tri_state",
        "description": "Open-drain output for predischarge PFET gate drive control."
      },
      {
        "number": "40",
        "name": "PCHG",
        "type": "tri_state",
        "description": "Open-drain output for precharge PFET gate drive control."
      },
      {
        "number": "41",
        "name": "LD",
        "type": "bidirectional",
        "description": "Open-drain I/O pin for load detect functionality and sensing."
      },
      {
        "number": "42",
        "name": "PACK",
        "type": "input",
        "description": "Analog input pin for pack sense voltage measurement."
      },
      {
        "number": "43",
        "name": "DSG",
        "type": "tri_state",
        "description": "Open-drain NFET discharge driver output pin for battery pack discharge control."
      },
      {
        "number": "44",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin is not connected to silicon."
      },
      {
        "number": "45",
        "name": "CHG",
        "type": "tri_state",
        "description": "Open-drain NFET charge driver output pin for battery pack charge control."
      },
      {
        "number": "46",
        "name": "CP1",
        "type": "bidirectional",
        "description": "Charge pump capacitor connection for integrated high-side NFET gate drive."
      },
      {
        "number": "47",
        "name": "BAT",
        "type": "power_in",
        "description": "Primary power supply input pin, connected to top of battery stack."
      },
      {
        "number": "48",
        "name": "VC10",
        "type": "input",
        "description": "Sense voltage input and balance current input for tenth cell, top-of-stack measurement point."
      }
    ],
    "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": 85,
        "cost_usd": 1.0293,
        "at": "2026-09-23T12:26:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq76942",
        "pages": 85,
        "sha256": "a976a88e92abb957",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq7694202pfbr-etched.step",
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        "sha256": "7945a514ab453a94ff280d91b40087a63751e51bf786e0948fb2c408955eabee",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TQFP-48(7x7)",
      "Category": "Power Management (PMIC)",
      "Pins": "48"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
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    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "BQ7694202PFBR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
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  "updated_at": "2026-09-24T18:05:48.715Z"
}