BQ25616JRTWT

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq25616jrtwt",
  "title": "BQ25616JRTWT",
  "brief": "Texas Instruments Battery Management, WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25616jrtwt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BQ25616JRTWT",
    "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/bq25616",
    "parts": {
      "symbol": "bq25616jrtwt.kicad_sym",
      "footprint": "bq25616jrtwt.kicad_mod",
      "model_3d": "bq25616jrtwt-hero.glb",
      "model_3d_plain": "bq25616jrtwt.glb",
      "model_3d_step": "bq25616jrtwt-etched.step",
      "model_3d_step_plain": "bq25616jrtwt.step",
      "lbr": "bq25616jrtwt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2869852",
      "digikey": "296-BQ25616JRTWTTR-ND",
      "mouser": "595-BQ25616JRTWT"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:19:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-BQ25616JRTWTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ25616JRTWT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VAC",
        "type": "power_in",
        "description": "Charger input voltage sensing; an optional external n-channel ACFET is placed between VAC and VBUS, and VAC is connected to VBUS if the ACFET is not used. The ACFET turns on when VAC is below the 14.2 V ACOV threshold and above UVLO."
      },
      {
        "number": "2",
        "name": "ACDRV",
        "type": "output",
        "description": "Charge pump output that drives an external N-channel ACFET, providing 6 V above VBUS as gate drive; leave floating if external OVP is not used."
      },
      {
        "number": "3",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive line of the USB data pair used for D+/D- based host/charging port detection (DCD, BC1.2 primary and secondary detection, and nonstandard adapters)."
      },
      {
        "number": "4",
        "name": "D-",
        "type": "bidirectional",
        "description": "Negative line of the USB data pair used for D+/D- based host/charging port detection (DCD, BC1.2 primary and secondary detection, and nonstandard adapters)."
      },
      {
        "number": "5",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain status output that must be pulled up to a logic rail through 10 kΩ; LOW indicates charge in progress, HIGH indicates charge complete or SLEEP, and 1 Hz blinking indicates charge suspend (fault). Sink current is limited to 6 mA."
      },
      {
        "number": "6",
        "name": "OTG",
        "type": "input",
        "description": "Boost mode enable pin; boost mode is enabled when pulled HIGH, and the pin must not be left floating."
      },
      {
        "number": "7",
        "name": "PG",
        "type": "output",
        "description": "Open-drain active-low power-good output, pulled up through 10 kΩ; LOW indicates a good input when VIN is between UVLO and ACOV, above the SLEEP threshold, and input current limit is above 30 mA. Sink current is limited to 6 mA."
      },
      {
        "number": "8",
        "name": "ILIM",
        "type": "input",
        "description": "Sets the input current limit via a resistor to ground (IINDPM = KILIM/RILIM) when the adapter is detected as unknown; acceptable range is 500 mA to 3200 mA."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Charge enable pin; battery charging is enabled when this pin is driven LOW."
      },
      {
        "number": "10",
        "name": "ICHG",
        "type": "input",
        "description": "Sets the charge current limit via a resistor to ground (ICHG = KICHG/RICHG); acceptable charge current range is 300 mA to 3000 mA."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Battery temperature qualification input for an NTC thermistor, with a resistor divider from REGN to TS to GND; charge and boost are suspended when the TS voltage is out of range (10 kΩ resistors to REGN and GND when unused)."
      },
      {
        "number": "12",
        "name": "VSET",
        "type": "input",
        "description": "Sets the default battery charge voltage via a resistor to GND: float = 4.208 V, short to GND = 4.352 V, 5 kΩ to 25 kΩ = 4.100 V."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection to the positive terminal of the battery pack; the internal current sense resistor is between SYS and BAT, and a 10 µF capacitor should be placed close to this pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection to the positive terminal of the battery pack; the internal current sense resistor is between SYS and BAT, and a 10 µF capacitor should be placed close to this pin."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "System output connection point; the internal current sense resistor is between SYS and BAT, and a 10 µF (min) capacitor should be placed close to this pin."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "System output connection point; the internal current sense resistor is between SYS and BAT, and a 10 µF (min) capacitor should be placed close to this pin."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and signal ground."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and signal ground."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node connecting to the output inductor, internally tied to the HSFET source and LSFET drain; connect the 0.047 µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node connecting to the output inductor, internally tied to the HSFET source and LSFET drain; connect the 0.047 µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "power_in",
        "description": "PWM high-side driver positive supply, connected internally to the bootstrap diode cathode; 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 to the bootstrap diode anode; connect a 4.7 µF (10 V rated) ceramic capacitor from REGN to analog GND close to the IC."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "power_out",
        "description": "Connected to the drain of the reverse blocking MOSFET (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; the internal RBFET is between VBUS (source) and PMID, and a 1 µF ceramic capacitor should be placed from VBUS to GND as close as possible to the device."
      },
      {
        "number": "25",
        "name": "PAD",
        "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 WQFN package has an exposed thermal pad (ground reference, also the heat path) that is not given; KiCad has no AIO class; D+ and D- (printed as analog input/output) are mapped to bidirectional. Pin ; Several pin types are judgment calls because the datasheet only gives P (power) or AI/AO/DI/DO: BAT ",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0927,
        "at": "2026-10-08T20:19:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25616",
        "pages": 50,
        "sha256": "7be49ad55a7694f6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq25616jrtwt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8ee149704e324c6cc9247ae980ca6dd26aa75c52a59c63c788926cd2eb81e062",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-24(4x4)",
      "Category": "Power Management (PMIC)",
      "Pins": "25"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "bq25616jrtwt"
  ],
  "discovery_pitch": "BQ25616JRTWT (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}