BQ25619RTWR

{
  "slug": "bq25619rtwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25619rtwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq25619rtwr.kicad_sym",
    "bq25619rtwr.kicad_mod",
    "bq25619rtwr.glb",
    "bq25619rtwr.step",
    "bq25619rtwr.lbr",
    "docs/hero.png",
    "docs/bq25619rtwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BQ25619RTWR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25619",
    "parts": {
      "symbol": "bq25619rtwr.kicad_sym",
      "footprint": "bq25619rtwr.kicad_mod",
      "model_3d": "bq25619rtwr-etched.glb",
      "model_3d_plain": "bq25619rtwr.glb",
      "model_3d_step": "bq25619rtwr-etched.step",
      "model_3d_step_plain": "bq25619rtwr.step",
      "lbr": "bq25619rtwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2864534",
      "digikey": "296-BQ25619RTWRTR-ND",
      "mouser": "595-BQ25619RTWR"
    },
    "distributor_check": {
      "checked_at": "2026-09-24T23:24:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-BQ25619RTWRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ25619RTWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VAC",
        "type": "input",
        "description": "Input voltage sensing pin that must be tied to VBUS."
      },
      {
        "number": "2",
        "name": "PSEL",
        "type": "input",
        "description": "Power source selection input; HIGH for 500-mA limit, LOW for 2.4-A limit."
      },
      {
        "number": "3",
        "name": "PMID_GOOD",
        "type": "output",
        "description": "Open-drain active-high PMID good indicator; HIGH when PMID < 5.2V and Q1 current below 110% IINDPM."
      },
      {
        "number": "4",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charging status indicator; LOW during charge, HIGH when complete, 1Hz blink for fault."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C clock input connected to logic rail through 10-k\u03a9 pull-up resistor."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data line connected to logic rail through 10-k\u03a9 pull-up resistor."
      },
      {
        "number": "7",
        "name": "/INT",
        "type": "output",
        "description": "Open-drain interrupt output generating 256-\u03bcs active-low pulse for status notification."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected pin."
      },
      {
        "number": "9",
        "name": "/CE",
        "type": "input",
        "description": "Charge enable input; LOW enables battery charging when CHG_CONFIG bit is 1."
      },
      {
        "number": "10",
        "name": "BATSNS",
        "type": "input",
        "description": "Battery voltage sensing input connected as close as possible to battery positive terminal."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Battery temperature input with NTC thermistor; resistor divider from REGN to TS to GND."
      },
      {
        "number": "12",
        "name": "/QON",
        "type": "input",
        "description": "BATFET enable/reset control input with 200-k\u03a9 pull-up to VBAT and 6.5V internal clamp."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_in",
        "description": "Positive battery terminal connection point; 10-\u03bcF ceramic capacitor required."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_in",
        "description": "Positive battery terminal connection point; internal current sensing resistor between SYS and BAT."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "Converter output connection point; minimum 10-\u03bcF ceramic capacitor to ground required."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "Converter output connection point; minimum 10-\u03bcF ceramic capacitor to ground required."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection for device operation."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection for device operation."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connected to output inductor; 0.047-\u03bcF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connected to output inductor; 0.047-\u03bcF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "passive",
        "description": "Bootstrap supply for PWM high-side gate drive; 0.047-\u03bcF capacitor from SW to BTST required."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "Low-side driver positive supply output at 4.7V typical; 4.7-\u03bcF ceramic capacitor to ground required."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "power_out",
        "description": "Boost mode output providing 4.6V to 5.15V regulated voltage; 1-2\u03bcF plus 1-nF capacitor recommended."
      },
      {
        "number": "24",
        "name": "VBUS",
        "type": "power_in",
        "description": "Input power supply from 4V to 13.5V; 1-\u03bcF ceramic capacitor to ground required."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 68,
        "cost_usd": 0.743,
        "at": "2026-09-24T23:24:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25619",
        "pages": 68,
        "sha256": "d58774ff9dc19ace",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}