BQ25601DRTWR

{
  "slug": "bq25601drtwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management ICs, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "bq25601drtwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bq25601drtwr.kicad_sym",
    "bq25601drtwr.kicad_mod",
    "bq25601drtwr.glb",
    "bq25601drtwr.step",
    "bq25601drtwr.lbr",
    "docs/hero.png",
    "docs/bq25601drtwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "bq25601drtwr-hero.overlay.json",
    "bq25601drtwr-etched.glb"
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  "component": {
    "mpn": "BQ25601DRTWR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25601d",
    "parts": {
      "symbol": "bq25601drtwr.kicad_sym",
      "footprint": "bq25601drtwr.kicad_mod",
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      "model_3d_step_plain": "bq25601drtwr.step",
      "lbr": "bq25601drtwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2859691"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:34:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input; the internal n-channel reverse blocking MOSFET (RBFET) is connected between VBUS and PMID, with a 1-uF ceramic capacitor placed from VBUS to GND close to the device."
      },
      {
        "number": "2",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive line of the USB data pair used for D+/D- based USB host/charging port detection, including data contact detection, BC1.2 primary and secondary detection and nonstandard adaptors."
      },
      {
        "number": "3",
        "name": "D-",
        "type": "bidirectional",
        "description": "Negative line of the USB data pair used for D+/D- based USB host/charging port detection, including data contact detection, BC1.2 primary and secondary detection and nonstandard adaptors."
      },
      {
        "number": "4",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status output (low while charging, high when charge complete or in sleep, 1-Hz pulses on charge suspend), connected to a logic rail via 10 kΩ and disabled via EN_ICHG_MON[1:0] bits."
      },
      {
        "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 that sends an active-low 256-µs pulse to the host to report charger status and faults, connected to a logic rail through a 10-kΩ resistor."
      },
      {
        "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 supporting the JEITA profile with an NTC thermistor (103AT-2 recommended); charge suspends when out of range, and if unused connect 10 kΩ from REGN to TS and 10 kΩ from TS to GND."
      },
      {
        "number": "12",
        "name": "QON",
        "type": "input",
        "description": "BATFET enable/reset control input with internal pull-up; a low of tSHIPMODE exits ship mode, and a low of tQON_RST (minimum 8 s) with VBUS absent resets SYS by turning BATFET off for at least 250 ms."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection point to the positive terminal of the battery pack, with the internal BATFET and current sensing between SYS and BAT; connect 10 µF close to the pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection point to the positive terminal of the battery pack, with the internal BATFET and current sensing between SYS and BAT; connect 10 µF close to the pin."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "Converter output connection point with internal 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 internal 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 pin."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node output connected to the output inductor; connect the 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; connect the 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 bootstrap capacitor from SW to BTST."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "LSFET driver and internal supply output, connected internally to the bootstrap diode anode; connect a 4.7-µF (10-V rating) ceramic capacitor 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 drain of HSFET; place a 10-µF ceramic capacitor from PMID to GND."
      },
      {
        "number": "24",
        "name": "VAC",
        "type": "input",
        "description": "Charge input voltage sense; this pin must be connected to the VBUS pin."
      },
      {
        "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: Thermal pad has no printed pin number; 'EP' used as placeholder.; Datasheet gives only generic type P (power) for these pins; KiCad ERC classes were chosen by judgmen; Pin-to-number mapping read from a garbled top-view figure and the pin function table; table numbers "
        ],
        "pages_sent": 19,
        "cost_usd": 0.1925,
        "at": "2026-10-22T21:34:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25601d",
        "pages": 66,
        "sha256": "4420f41c6497a003",
        "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",
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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)"
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        "sha256": "54fb32d2a18d68b14d5652954a04fe032d560e14c5483f5b6f822113f020ad21",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}