main
Ray Publish 0.1.0 9ccad42 9d ago
{
  "slug": "bq25616rtwt",
  "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",
    "bq25616rtwt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq25616rtwt.kicad_sym",
    "bq25616rtwt.kicad_mod",
    "bq25616rtwt.glb",
    "bq25616rtwt.step",
    "bq25616rtwt.lbr",
    "docs/hero.png",
    "docs/bq25616rtwt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq25616rtwt-hero.glb",
    "bq25616rtwt-hero.overlay.json",
    "bq25616rtwt-etched.glb"
  ],
  "component": {
    "mpn": "BQ25616RTWT",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq25616rtwt.pdf",
    "parts": {
      "symbol": "bq25616rtwt.kicad_sym",
      "footprint": "bq25616rtwt.kicad_mod",
      "model_3d": "bq25616rtwt-hero.glb",
      "model_3d_plain": "bq25616rtwt-etched.glb",
      "model_3d_step": "bq25616rtwt-etched.step",
      "model_3d_step_plain": "bq25616rtwt.step",
      "lbr": "bq25616rtwt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2876372",
      "digikey": "296-BQ25616RTWTTR-ND",
      "mouser": "595-BQ25616RTWT"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T17:28:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-BQ25616RTWTTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-BQ25616RTWT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VAC",
        "type": "power_in",
        "description": "Charger input voltage sensing pin; optional external ACFET connects VAC to VBUS, and the ACOV threshold is 14.2 V with UVLO below that level."
      },
      {
        "number": "2",
        "name": "ACDRV",
        "type": "output",
        "description": "Charge pump output that drives an external N-channel ACFET gate with 6 V above VBUS when VAC is below the 14.2 V ACOV threshold and above UVLO; leave floating if external OVP is not used."
      },
      {
        "number": "3",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive USB data line used for D+/D- based host and charging port detection, rated up to 7 V absolute maximum."
      },
      {
        "number": "4",
        "name": "D-",
        "type": "bidirectional",
        "description": "Negative USB data line used for D+/D- based host and charging port detection, rated up to 7 V absolute maximum."
      },
      {
        "number": "5",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charger status output that needs a 10 kΩ pull-up to a logic rail and indicates charge in progress (LOW), charge complete or sleep (HIGH), or fault (1 Hz blink); absolute maximum sink current is 6 mA."
      },
      {
        "number": "6",
        "name": "OTG",
        "type": "input",
        "description": "Boost mode enable input where a HIGH level enables boost mode, and the pin must not be left floating."
      },
      {
        "number": "7",
        "name": "PG",
        "type": "output",
        "description": "Open-drain active-low power good output that needs a 10 kΩ pull-up and goes LOW for a good input between UVLO and ACOV with input current limit above 30 mA."
      },
      {
        "number": "8",
        "name": "ILIM",
        "type": "input",
        "description": "Sets the input current limit IINDPM = KILIM/RILIM for an unknown adapter over an acceptable range of 500 mA to 3200 mA."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Charge enable input where driving the pin LOW enables battery charging."
      },
      {
        "number": "10",
        "name": "ICHG",
        "type": "input",
        "description": "Sets the charge current limit ICHG = KICHG/RICHG via a resistor to ground over an acceptable range of 300 mA to 3000 mA."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Battery NTC temperature qualification input whose window is set by a resistor divider from REGN; charge and boost are suspended when TS is out of range."
      },
      {
        "number": "12",
        "name": "VSET",
        "type": "input",
        "description": "Sets the default battery charge voltage by resistor to GND: float gives 4.208 V, below 500 Ω gives 4.352 V, and 5 kΩ to 25 kΩ gives 4.100 V."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection to the positive terminal of the battery pack, with the internal sense resistor between SYS and BAT; a 10 µF capacitor is required close to this pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection to the positive terminal of the battery pack, with the internal sense resistor between SYS and BAT; a 10 µF capacitor is required close to this pin."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "System output connection point with the internal sense resistor between SYS and BAT; a 10 µF minimum capacitor is required close to this pin."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "System output connection point with the internal sense resistor between SYS and BAT; a 10 µF minimum capacitor is required close to this pin."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and signal ground for the device."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and signal ground for the device."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connected to the output inductor and to the source of the HSFET and drain of the LSFET; a 0.047 µF bootstrap capacitor connects from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connected to the output inductor and to the source of the HSFET and drain of the LSFET; a 0.047 µF bootstrap capacitor connects from SW to BTST."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "power_in",
        "description": "Positive supply for the high-side driver, connected to the bootstrap diode cathode, with a 0.047 µF bootstrap capacitor from SW."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "Low-side driver supply output connected to the bootstrap diode anode, requiring a 4.7 µF 10 V ceramic capacitor close to the IC to analog GND."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "power_in",
        "description": "Connected to the drain of the RBFET and HSFET, requiring a 10 µF capacitor to GND."
      },
      {
        "number": "24",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage with the internal RBFET between VBUS and PMID, requiring a 1 µF ceramic capacitor to GND placed close to the device; absolute maximum is 22 V."
      },
      {
        "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 exposed Thermal Pad is listed in Table 7-1 as a ground reference but has no pin number printed o"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0301,
        "at": "2026-11-02T17:28:05"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq25616rtwt.pdf",
        "pages": 50,
        "sha256": "9c125bb15fce80e0",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "bq25616rtwt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq25616rtwt-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": "f49af953c2410f7f22a250fcd0e01c0d9b86d981cc3e0552a33a88c689040437",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}