BQ25750RRVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq25750rrvr",
  "title": "BQ25750RRVR",
  "brief": "Texas Instruments Battery Management, VQFN-36-EP(6x5). 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)",
    "bq25750rrvr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BQ25750RRVR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-36-EP(6x5)",
    "pin_count": 37,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25750",
    "parts": {
      "symbol": "bq25750rrvr.kicad_sym",
      "footprint": "bq25750rrvr.kicad_mod",
      "model_3d": "bq25750rrvr-etched.glb",
      "model_3d_plain": "bq25750rrvr.glb",
      "model_3d_step": "bq25750rrvr-etched.step",
      "model_3d_step_plain": "bq25750rrvr.step",
      "lbr": "bq25750rrvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C22427288"
    },
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock input; connect through 10kΩ resistor to logic rail for standard I2C protocol communication."
      },
      {
        "number": "2",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data line; open-drain bidirectional, connect through 10kΩ resistor to logic rail for standard I2C protocol communication."
      },
      {
        "number": "3",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output; low-active 256μs pulse notifies host of device state change or fault, connect through 10kΩ pullup resistor."
      },
      {
        "number": "4",
        "name": "STAT1",
        "type": "output",
        "description": "Open-drain charge status output; indicates charging operation with STAT2, connect through 10kΩ pullup resistor to power rail."
      },
      {
        "number": "5",
        "name": "STAT2",
        "type": "output",
        "description": "Open-drain charge status output; indicates charging operation with STAT1, connect through 10kΩ pullup resistor to power rail."
      },
      {
        "number": "6",
        "name": "PG",
        "type": "output",
        "description": "Open-drain low-active power good status indicator; LOW indicates input source valid when VAC is within ACUV/ACOV window, connect through 10kΩ pullup."
      },
      {
        "number": "7",
        "name": "CE",
        "type": "bidirectional",
        "description": "Low-active charge enable input pin; pull to low to enable charging when EN_CHG=1, must be pulled high or low, do not leave floating."
      },
      {
        "number": "8",
        "name": "TS",
        "type": "input",
        "description": "Temperature sensing voltage input; connect negative temperature coefficient thermistor via resistive divider from REGN to PGND to program temperature window."
      },
      {
        "number": "9",
        "name": "ICHG",
        "type": "input",
        "description": "Charge current limit setting input; connect programming resistor to PGND to set ICHG = KICHG/RICHG, pull to PGND if unused."
      },
      {
        "number": "10",
        "name": "ILIM_HIZ",
        "type": "input",
        "description": "Input current limit and high-Z mode control pin; programming resistor to PGND sets input current limit ILIM = KILIM/RILIM, or pull high to force high-impedance mode."
      },
      {
        "number": "11",
        "name": "FBG",
        "type": "input",
        "description": "Voltage feedback divider return; connect to bottom of battery feedback resistor, driven to PGND during charging, high-impedance when input outside ACUV/ACOV window."
      },
      {
        "number": "12",
        "name": "FB",
        "type": "input",
        "description": "Charge voltage analog feedback regulation input; connect resistor divider from battery terminals to set output battery regulation voltage."
      },
      {
        "number": "13",
        "name": "SRN",
        "type": "input",
        "description": "Charge current sense resistor negative input; place 0.47μF ceramic capacitor between SRN and SRP for differential filtering and optional 0.1μF to PGND for common-mode filtering."
      },
      {
        "number": "14",
        "name": "SRP",
        "type": "input",
        "description": "Charge current sense resistor positive input; place 0.47μF ceramic capacitor between SRN and SRP for differential filtering and 0.1μF ceramic capacitor to PGND for common-mode filtering."
      },
      {
        "number": "15",
        "name": "BATDRV",
        "type": "output",
        "description": "N-channel battery FET gate drive output; connect directly to BATFET gate, drives 10V relative to BATSRC when input within ACUV/ACOV window."
      },
      {
        "number": "16",
        "name": "BATSRC",
        "type": "power_in",
        "description": "N-channel battery FET source input; connect directly to BATFET source for common-source configuration."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection; connect directly to power ground plane."
      },
      {
        "number": "18",
        "name": "SW2",
        "type": "passive",
        "description": "Boost-side half-bridge switch node; connect inductor between SW1 and SW2 for buck-boost conversion."
      },
      {
        "number": "19",
        "name": "HIDRV2",
        "type": "output",
        "description": "Boost-side high-side gate driver output; connect to boost high-side N-channel MOSFET gate."
      },
      {
        "number": "20",
        "name": "BTST2",
        "type": "power_in",
        "description": "Boost-side high-side gate driver power supply node; connect capacitor between BTST2 and SW2 to provide bias for high-side MOSFET gate driver."
      },
      {
        "number": "21",
        "name": "LODRV2",
        "type": "output",
        "description": "Boost-side low-side gate driver output; connect to boost low-side N-channel MOSFET gate."
      },
      {
        "number": "22",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground loop connection; high-current ground connection for low-side gate driver, connect to ground plane."
      },
      {
        "number": "23",
        "name": "DRV_SUP",
        "type": "power_in",
        "description": "Gate driver supply power input; connect 4.7μF ceramic capacitor to PGND, accepts 4V to 12V external supply for FET gate driving or use with REGN for 5V operation."
      },
      {
        "number": "24",
        "name": "REGN",
        "type": "power_in",
        "description": "Charger internal linear regulator output; 5V LDO output nominally 4.8-5.2V, connect 4.7μF ceramic capacitor to PGND, can supply gate driver circuits up to 70mA."
      },
      {
        "number": "25",
        "name": "LODRV1",
        "type": "output",
        "description": "Buck-side low-side gate driver output; connect to buck low-side N-channel MOSFET gate."
      },
      {
        "number": "26",
        "name": "BTST1",
        "type": "power_in",
        "description": "Buck-side high-side gate driver power supply node; connect capacitor between BTST1 and SW1 to provide bias for high-side MOSFET gate driver."
      },
      {
        "number": "27",
        "name": "HIDRV1",
        "type": "output",
        "description": "Buck-side high-side gate driver output; connect to buck high-side N-channel MOSFET gate."
      },
      {
        "number": "28",
        "name": "SW1",
        "type": "passive",
        "description": "Buck-side half-bridge switch node; connect inductor between SW1 and SW2 for buck-boost conversion."
      },
      {
        "number": "29",
        "name": "ACN",
        "type": "input",
        "description": "Adapter current sense resistor negative input; place 0.47μF ceramic capacitor between ACN and ACP for differential filtering and optional 0.1μF to PGND for common-mode filtering."
      },
      {
        "number": "30",
        "name": "ACP",
        "type": "input",
        "description": "Adapter current sense resistor positive input; place 0.47μF ceramic capacitor between ACN and ACP for differential filtering and 0.1μF ceramic capacitor to PGND for common-mode filtering."
      },
      {
        "number": "31",
        "name": "ACDRV",
        "type": "output",
        "description": "N-channel input FET gate drive output; drive ACFET gate to 10V when input within ACUV/ACOV window, pull to PGND to turn off FET, connect 15V Zener diode from ACDRV to ACFET source."
      },
      {
        "number": "32",
        "name": "SYS",
        "type": "input",
        "description": "System voltage detect point; voltage sensing point for system rail, regulated to VSYS_REV in reverse mode when input voltage outside operating window."
      },
      {
        "number": "33",
        "name": "VAC",
        "type": "power_in",
        "description": "Input voltage detect and power supply node; 4.2V to 70V input bias for IC operation, connect 1μF capacitor between pin and PGND."
      },
      {
        "number": "34",
        "name": "ACUV",
        "type": "input",
        "description": "Input undervoltage comparator input; connect resistive divider between VAC and PGND to program input undervooltage protection threshold, pull to VAC if unused."
      },
      {
        "number": "35",
        "name": "ACOV",
        "type": "input",
        "description": "Input overvoltage comparator input; connect resistive divider between VAC and PGND to program input overvoltage protection threshold, pull to PGND if unused."
      },
      {
        "number": "36",
        "name": "FSW_SYNC",
        "type": "input",
        "description": "Switch frequency and sync input; connect resistor to PGND to program switching frequency from 200kHz to 600kHz, or input external clock from 200kHz to 600kHz for synchronization."
      },
      {
        "number": "37",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Exposed thermal pad beneath IC; solder to board and connect via thermal vias to PGND and power ground plane for heat dissipation and thermal performance."
      }
    ],
    "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": [
          "extractor flagged: BATSRC and REGN pins classified as power_in despite being signal processing outputs - they should te"
        ],
        "pages_sent": 81,
        "cost_usd": 0.9812,
        "at": "2026-09-23T15:24:05"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25750",
        "pages": 81,
        "sha256": "ea96ae5a890971ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq25750rrvr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c98070784325de68158fcdb87f52e17109b405004447afa9a45bf4dea2204fc3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq25750rrvr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "93e84aba2c4cb953d8852073584f3749f4ffb26000c0cfa195a365c9b5c70484",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-36-EP(6x5)",
      "Category": "Power Management (PMIC)",
      "Pins": "37"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bq25750rrvr"
  ],
  "discovery_pitch": "BQ25750RRVR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "bq25750rrvr.step",
    "bq25750rrvr.lbr",
    "docs/hero.png",
    "docs/bq25750rrvr-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:02:53.926Z"
}