BQ24190RGER

{
  "slug": "bq24190rger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management ICs, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "bq24190rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq24190rger.kicad_sym",
    "bq24190rger.kicad_mod",
    "bq24190rger.glb",
    "bq24190rger.step",
    "bq24190rger.lbr",
    "docs/hero.png",
    "docs/bq24190rger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq24190rger-hero.glb",
    "bq24190rger-hero.overlay.json",
    "bq24190rger-etched.glb"
  ],
  "component": {
    "mpn": "BQ24190RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq24190rger.pdf",
    "parts": {
      "symbol": "bq24190rger.kicad_sym",
      "footprint": "bq24190rger.kicad_mod",
      "model_3d": "bq24190rger-hero.glb",
      "model_3d_plain": "bq24190rger-etched.glb",
      "model_3d_step": "bq24190rger-etched.step",
      "model_3d_step_plain": "bq24190rger.step",
      "lbr": "bq24190rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871443"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:13:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 579 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage, with the internal reverse-block MOSFET (RBFET) between VBUS and PMID; place a 1-µF ceramic capacitor from VBUS to PGND as close to the IC as possible."
      },
      {
        "number": "2",
        "name": "D+",
        "type": "input",
        "description": "Positive line of the USB data pair used for D+/D- USB host/charging port detection, including data contact detection (DCD) and primary detection in bc1.2."
      },
      {
        "number": "3",
        "name": "D–",
        "type": "input",
        "description": "Negative line of the USB data pair used for D+/D- USB host/charging port detection, including data contact detection (DCD) and primary detection in bc1.2."
      },
      {
        "number": "4",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status output, pulled up via 10 kΩ; LOW indicates charge in progress, HIGH indicates charge complete or disabled, and it blinks at 1 Hz on any fault in the bq24190."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock; connect to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data; connect to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "7",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output, pulled up to a logic rail via 10 kΩ, that sends an active-low 256-µs pulse to the host to report charger status and faults."
      },
      {
        "number": "8",
        "name": "OTG",
        "type": "input",
        "description": "USB current limit selection pin in buck mode (with USB host, High = 500 mA, Low = 100 mA) and active-high enable in boost mode when REG01[5:4] = 10."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Active-low charge enable; charging is enabled when REG01[5:4] = 01 and CE = Low, and the pin must be pulled high or low."
      },
      {
        "number": "10",
        "name": "ILIM",
        "type": "input",
        "description": "Sets the maximum input current limit by regulating ILIM at 1 V with a resistor to ground (IINMAX = (1V/RILIM) × 530); the minimum programmable input current is 500 mA."
      },
      {
        "number": "11",
        "name": "TS1",
        "type": "input",
        "description": "Temperature qualification voltage input #1 for an NTC thermistor, programmed with a resistor divider from REGN; charge suspends when either TS pin is out of range (103AT-2 recommended)."
      },
      {
        "number": "12",
        "name": "TS2",
        "type": "input",
        "description": "Temperature qualification voltage input #2 for an NTC thermistor, programmed with a resistor divider from REGN; charge suspends when either TS pin is out of range (103AT-2 recommended)."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection to the positive pack terminal, with the internal BATFET between BAT and SYS; connect a 10-µF capacitor close to the pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection to the positive pack terminal, with the internal BATFET between BAT and SYS; connect a 10-µF capacitor close to the pin."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection point with the internal BATFET between BAT and SYS; the converter keeps SYS above the minimum system voltage when the battery is low."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection point with the internal BATFET between BAT and SYS; the converter keeps SYS above the minimum system voltage when the battery is low."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the high-current converter node, internally connected to the source of the n-channel LSFET; connect directly to the input and output capacitor grounds."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the high-current converter node, internally connected to the source of the n-channel LSFET; connect directly to the input and output capacitor grounds."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "output",
        "description": "Switching node connecting to the output inductor, with a 0.047-µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "output",
        "description": "Switching node connecting to the output inductor, with a 0.047-µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "power_in",
        "description": "PWM high-side driver positive supply, connected internally to the bootstrap diode anode; connect a 0.047-µF capacitor from SW to BTST."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "PWM low-side driver positive supply output and bias rail for TS1/TS2; connect a 4.7-µF (10-V rating) ceramic capacitor to analog GND close to the IC."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "power_out",
        "description": "Connected to the drain of the reverse blocking MOSFET and the HSFET; put 1 µF on VBUS to PGND and the remaining input capacitance on PMID to PGND."
      },
      {
        "number": "24",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage, with the internal reverse-block MOSFET (RBFET) between VBUS and PMID; place a 1-µF ceramic capacitor from VBUS to PGND as close to the IC as possible."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the exposed thermal pad no pin number, so 'EP' is used as a label. Confirm it ag; The datasheet gives only P (power), I, O and I/O for these pins. The KiCad types for BAT, SYS, REGN,; The MPN BQ24190RGER is the bq24190 variant, so the pin list uses the bq24190 column (D+/D– on pins 2"
        ],
        "pages_sent": 12,
        "cost_usd": 0.169,
        "at": "2026-10-22T23:13:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq24190rger.pdf",
        "pages": 53,
        "sha256": "45b39a9199a8ba62",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.0,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq24190rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "13c2bb796ab8309b801a0bf525f66f583f437183a5afd97ba90dca9a31b85749",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}