BQ24296MRGER

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq24296mrger",
  "title": "BQ24296MRGER",
  "brief": "Texas Instruments Battery Management, VQFN-24-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "bq24296mrger"
  ],
  "component": {
    "mpn": "BQ24296MRGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq24296mrger.pdf",
    "parts": {
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage. Internal n-channel reverse block MOSFET (RBFET) is connected between VBUS and PMID with VBUS on source. Place a 1-uF ceramic capacitor from VBUS to PGND close to IC. VBUS operating range 3.9-6.2 V (abs max 15 V)."
      },
      {
        "number": "2",
        "name": "PSEL",
        "type": "input",
        "description": "Power source selection input. High indicates a USB host source, Low indicates an adapter source."
      },
      {
        "number": "3",
        "name": "PG",
        "type": "output",
        "description": "Open-drain active-low power good indicator. Connect to the pull-up rail via a 10-kOhm resistor. LOW indicates a good input source if the input voltage is between UVLO and ACOV, above SLEEP mode threshold, and current limit is above 30 mA."
      },
      {
        "number": "4",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status output to indicate various charger operations. Connect to the pull-up rail via a 10-kOhm resistor. LOW = charge in progress, HIGH = charge complete or charge disabled. Blinks at 1 Hz on fault."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock. Connect SCL to the logic rail through a 10-kOhm pull-up resistor."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data. Connect SDA to the logic rail through a 10-kOhm pull-up resistor."
      },
      {
        "number": "7",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output. Connect INT to a logic rail via a 10-kOhm resistor. Sends active-low 256-us pulse to host to report charger device status and fault."
      },
      {
        "number": "8",
        "name": "OTG",
        "type": "input",
        "description": "USB current limit selection pin in buck mode, and active-high enable pin during boost (OTG) mode. In buck mode with USB host (PSEL=High): OTG=High -> IIN limit 500 mA; OTG=Low -> IIN limit 100 mA. Boost mode activated when REG01[5]=1."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Active-low Charge Enable pin. Battery charging is enabled when REG01[5:4] = 01 and CE = Low. CE pin must be pulled high or low."
      },
      {
        "number": "10",
        "name": "ILIM",
        "type": "input",
        "description": "ILIM sets the maximum input current limit by regulating the ILIM voltage at 1 V. A resistor connected from ILIM to GND sets IINMAX = (1V/RILIM) x KILIM. Actual input current limit is the lower of ILIM and REG00[2:0]. Minimum programmed limit is 500 mA."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Temperature qualification voltage input. Connect an NTC thermistor via resistor divider from REGN to TS to GND. Charge suspends or boost disables when TS is out of range. 103AT-2 thermistor recommended."
      },
      {
        "number": "12",
        "name": "QON",
        "type": "input",
        "description": "BATFET enable control in shipping mode. Low-to-high transition (min 2 ms high level) turns on BATFET to exit shipping mode. Internal 1-MOhm pull-down. If not used, may be NC or tied to TS pin (10k NTC thermistor only)."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection point to the positive pin of the battery pack. The internal BATFET is connected between BAT and SYS. Connect a 10-uF capacitor close to the BAT pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection point (parallel with pin 13) to the positive pin of the battery pack. The internal BATFET is connected between BAT and SYS."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection point. The internal BATFET is connected between BAT and SYS. When the battery falls below the minimum system voltage, the switch-mode converter keeps SYS above the minimum system voltage. Max ~4.43 V, min programmable 3.5 V."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection point (parallel with pin 15). Switch-mode converter output; feeds system rail."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection for high-current power converter node. Internally connected to the source of the n-channel LSFET. Connect directly to ground connection of input and output capacitors. Star-connect PGND to analog GND near IC."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection (parallel with pin 17). Source of internal n-channel LSFET."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "output",
        "description": "Switching node connecting to output inductor. Internally SW is connected to the source of the n-channel HSFET and the drain of the n-channel LSFET. Connect a 0.047-uF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "output",
        "description": "Switching node (parallel with pin 19) connecting to output inductor."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "passive",
        "description": "PWM high-side driver positive supply (bootstrap). Internally BTST is connected to the anode of the boot-strap diode. Connect a 0.047-uF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "PWM low-side driver positive supply output (internal LDO). Internally REGN is connected to the cathode of the boot-strap diode. Connect a 4.7-uF (10-V) ceramic capacitor from REGN to analog GND. Also serves as bias rail of TS pin."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "power_out",
        "description": "Connected to the drain of the reverse blocking MOSFET (RBFET) and the drain of HSFET. Connect a 1-uF capacitor on VBUS to PGND and 8.2-uF or more on PMID to PGND."
      },
      {
        "number": "24",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage (parallel with pin 1). Internal RBFET connected between VBUS and PMID."
      },
      {
        "number": "PAD",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Exposed thermal pad beneath the IC for heat dissipation. Always solder thermal pad to the board, and have vias on the thermal pad plane star-connecting to PGND and ground plane for high-current power converter."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq24296mrger.pdf",
        "pages": 52,
        "sha256": "8fd83e8f2362be7c",
        "source_tier": "mfr"
      },
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        "described": 25,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-24-EP(4x4)",
      "Category": "PMIC",
      "Pins": "25"
    }
  },
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-24T18:02:13.673Z"
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