BQ25601RTWR

{
  "slug": "bq25601rtwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management ICs, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "bq25601rtwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bq25601rtwr.kicad_sym",
    "bq25601rtwr.kicad_mod",
    "bq25601rtwr.glb",
    "bq25601rtwr.step",
    "bq25601rtwr.lbr",
    "docs/hero.png",
    "docs/bq25601rtwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "bq25601rtwr-hero.overlay.json",
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  "component": {
    "mpn": "BQ25601RTWR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25601",
    "parts": {
      "symbol": "bq25601rtwr.kicad_sym",
      "footprint": "bq25601rtwr.kicad_mod",
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      "model_3d_step": "bq25601rtwr-etched.step",
      "model_3d_step_plain": "bq25601rtwr.step",
      "lbr": "bq25601rtwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C468236",
      "mouser": "595-BQ25601RTWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:20:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 886 calls left today"
      },
      "mouser": {
        "pn": "595-BQ25601RTWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VAC",
        "type": "input",
        "description": "Charge input voltage sense pin that must be connected to the VBUS pin."
      },
      {
        "number": "2",
        "name": "PSEL",
        "type": "input",
        "description": "Power source selection input: pulled high sets a 500 mA input current limit and pulled low sets a 2.4 A limit, until the host programs the IINDPM register."
      },
      {
        "number": "3",
        "name": "PG",
        "type": "output",
        "description": "Open-drain active-low power-good indicator, pulled up through a 10-kΩ resistor; LOW indicates a good input source between UVLO and ACOV with current limit above 30 mA."
      },
      {
        "number": "4",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status output pulled up through 10 kΩ: LOW while charging, HIGH when charge is complete or in SLEEP, and 1-Hz pulses on charge suspend (fault)."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock, connected to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data, open drain, connected to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "7",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output connected to a logic rail through 10 kΩ, sending an active-low 256-µs pulse to report charger status and faults."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; keep the pin floating."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Charge enable pin; battery charging is enabled when this pin is driven low."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; keep the pin floating."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Temperature qualification voltage input for the JEITA profile using an NTC thermistor in a divider from REGN to GND (103AT-2 recommended); charge suspends when out of range."
      },
      {
        "number": "12",
        "name": "QON",
        "type": "input",
        "description": "BATFET enable/reset control input with an internal 200-kΩ pull-up; a low of tSHIPMODE exits ship mode and a low of at least 8 s (tQON_RST) resets the system when VBUS is absent."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection to the positive terminal of the battery pack, with the internal BATFET and current sensing between SYS and BAT; connect a 10 µF capacitor close to the pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection to the positive terminal of the battery pack, with the internal BATFET and current sensing between SYS and BAT; connect a 10 µF capacitor close to the pin."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "Converter output connection point with the current sensing network between SYS and BAT; connect a 20 µF capacitor close to the pin."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "Converter output connection point with the current sensing network between SYS and BAT; connect a 20 µF capacitor close to the pin."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node output connected to the output inductor, with a 0.047-µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node output connected to the output inductor, with a 0.047-µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "passive",
        "description": "PWM high-side driver positive supply, internally connected to the bootstrap diode cathode; connect a 0.047-µF capacitor from SW to BTST."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "LSFET driver and internal supply output; connect a 4.7-µF (10-V rating) ceramic capacitor from REGN to GND close to the IC."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "passive",
        "description": "Connected to the drain of the reverse blocking MOSFET (RBFET) and the HSFET drain; place a 10 µF ceramic capacitor from PMID to GND."
      },
      {
        "number": "24",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input with the internal reverse-blocking MOSFET between VBUS and PMID; place a 1-µF ceramic capacitor from VBUS to GND close to the device."
      },
      {
        "number": "25",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Ground reference and thermal pad that conducts heat from the device, to be tied externally to a ground plane through PCB vias."
      }
    ],
    "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 prints no pin number for the thermal pad. I assigned \"25\" by convention for the expose; The datasheet types BAT, BTST and PMID only as 'P' (power) or 'DO'. The KiCad ERC types I chose (bid; The package hint says QFN-24-EP(4x4). The datasheet names this package WQFN (RTW), 24 pins, 4.00 mm "
        ],
        "pages_sent": 19,
        "cost_usd": 0.1861,
        "at": "2026-10-23T18:20:02"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25601",
        "pages": 65,
        "sha256": "1da39d8af8789279",
        "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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq25601rtwr-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": "f925c07d89f49ec6bd910fa7dad3ec1856acf9b560233b87c50a5125759fc9b0",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}