BQ25611DRTWT

{
  "slug": "bq25611drtwt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25611drtwt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "bq25611drtwt.step",
    "bq25611drtwt.lbr",
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    "docs/bq25611drtwt-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "BQ25611DRTWT",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25611d",
    "parts": {
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      "footprint": "bq25611drtwt.kicad_mod",
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      "lbr": "bq25611drtwt.lbr"
    },
    "distributor_links": {
      "lcsc": "C5219073",
      "digikey": "296-BQ25611DRTWTTR-ND",
      "mouser": "595-BQ25611DRTWT"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:37:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-BQ25611DRTWTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ25611DRTWT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VAC",
        "type": "power_in",
        "description": "Input voltage sensing pin that must be tied to VBUS."
      },
      {
        "number": "2",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive USB data line used for D+/D- based host and charging port detection, including DCD, BC1.2 primary and secondary detection, and nonstandard adapters."
      },
      {
        "number": "3",
        "name": "D-",
        "type": "bidirectional",
        "description": "Negative USB data line used for D+/D- based host and charging port detection, including DCD, BC1.2 primary and secondary detection, and nonstandard adapters."
      },
      {
        "number": "4",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charger status output that is LOW during charge in progress, HIGH when charge is complete or in SLEEP mode, and blinks at 1 Hz on charge suspend fault; connect to a logic rail through 10 kΩ."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock input that must be connected to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data line that must be connected to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "7",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output that must be connected to a logic rail through 10 kΩ and sends an active-low 256 µs pulse to report charger status and faults."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Charge enable input where battery charging is enabled when the pin is driven LOW."
      },
      {
        "number": "10",
        "name": "BATSNS",
        "type": "input",
        "description": "Battery voltage sense input for charge voltage regulation, which should be connected to the positive battery terminal; if open or shorted to ground, BATSNS_STAT is set and the charger regulates through BAT."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Battery temperature qualification input for an NTC thermistor, where charge and boost mode are suspended when the TS voltage is out of range."
      },
      {
        "number": "12",
        "name": "QON",
        "type": "input",
        "description": "BATFET enable/reset control input with an internal 6.5 V clamp, where a LOW of tSHIPMODE exits ship mode and a LOW of tQON_RST (minimum 8 s) resets the system by turning BATFET off for tBATFET_RST (minimum 250 ms)."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection to the positive terminal of the battery pack, with the internal current sense resistor between SYS and BAT; connect a 10 µF capacitor closely to this pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection to the positive terminal of the battery pack, with the internal current sense resistor between SYS and BAT; connect a 10 µF capacitor closely to this pin."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "System output connection point with the internal current sense resistor between SYS and BAT; connect a 10 µF (min) capacitor closely to this pin."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "System output connection point with the internal current sense resistor between SYS and BAT; connect a 10 µF (min) capacitor closely to this pin."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connecting to the output inductor, internally connected to the source of HSFET and drain of LSFET; connect the 0.047 µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connecting to the output inductor, internally connected to the source of HSFET and drain of LSFET; connect the 0.047 µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "passive",
        "description": "PWM high-side driver positive supply connected internally to the cathode of the bootstrap diode; connect the 0.047 µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "PWM low-side driver positive supply output connected internally to the anode of the bootstrap diode; connect a 4.7 µF (10 V rating) ceramic capacitor from REGN to analog GND close to the IC."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "passive",
        "description": "Connected to the drain of the RBFET and the drain of HSFET; place a 10 µF capacitor from PMID to GND."
      },
      {
        "number": "24",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage connected to the RBFET with VBUS on its source; place a 1 µF ceramic capacitor from VBUS to GND as close as possible to the device."
      },
      {
        "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-haiku-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 describes a Thermal Pad (ground reference and heat path) on the RTW package but does n; The pin table lists several shared names with two physical pin numbers (BAT 13/14, SYS 15/16, GND 17; The datasheet's section 6 and pin table reference a 24-pin RTW WQFN; the orderable list on the last ",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0768,
        "at": "2026-10-20T17:35:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25611d",
        "pages": 63,
        "sha256": "389b6ef272ca0182",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-20",
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        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}