component

BQ25616JRTWR

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Texas Instruments Battery Management, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BQ25616JRTWR

Texas Instruments · Battery Management · WQFN-24-EP(4x4)

BQ25616JRTWR from Texas Instruments, in a WQFN-24-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VAC power_in Charger input voltage sensing with optional external ACFET for overvoltage protection up to 30 V absolute maximum.
2 ACDRV output Gate driver output providing 6V above VBUS for external ACFET control when VAC is below 14.2 V threshold.
3 D+ bidirectional USB data line positive for BC1.2 host/charging port detection including DCD and primary/secondary detection.
4 D- bidirectional USB data line negative for BC1.2 host/charging port detection including DCD and primary/secondary detection.
5 STAT tri_state Open-drain status output: LOW for charging in progress, HIGH for complete or SLEEP mode, 1 Hz blink for fault.
6 OTG input Boost mode enable input; HIGH activates 5V/1.2A USB On-The-Go converter (cannot float).
7 PG tri_state Open-drain power good indicator: LOW when input voltage 4-13.5V and input current limit above 30 mA.
8 ILIM input Input current limit setting input via resistor divider to GND; acceptable range 500 mA to 3200 mA.
9 CE input Charge enable digital input; LOW enables charging, HIGH disables charging.
10 ICHG input Charge current limit setting input via resistor divider to GND; acceptable range 300 mA to 3000 mA.
11 TS input Battery temperature sensor input for NTC thermistor; BQ25616J supports JEITA profile, BQ25616 supports Hot/Cold profile.
12 VSET input Battery regulation voltage setting via resistor pull-down: 4.1V/4.2V/4.35V depending on divider value.
13 BAT power_in Battery positive terminal connection with integrated current sensing resistor to SYS.
14 BAT power_in Battery positive terminal connection with integrated current sensing resistor to SYS.
15 SYS power_out System output connection at regulated voltage 3.5V to 4.35V with internal current sensing from BAT.
16 SYS power_out System output connection at regulated voltage 3.5V to 4.35V with internal current sensing from BAT.
17 GND power_in Power ground and signal ground reference.
18 GND power_in Power ground and signal ground reference.
19 SW power_out Switching node connecting to output inductor in buck converter topology.
20 SW power_out Switching node connecting to output inductor in buck converter topology.
21 BTST power_out High-side PWM gate driver bootstrap supply connected to bootstrap diode cathode.
22 REGN power_out Low-side PWM gate driver supply output connected to bootstrap diode anode.
23 PMID power_out Internal switching node at RBFET and HSFET drain junction for power path filtering.
24 VBUS power_in Charger input voltage at 4V to 13.5V operating range with 22V absolute maximum and 130ns OVP reaction time.
25 Thermal Pad passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WQFN-24-EP(4x4)
Category Power Management (PMIC)
Pins 25

CAD (KiCad official)

  • Symbol: BQ25616JRTWR
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: WQFN-24-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: bq25616jrtwr-etched.step / bq25616jrtwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bq25616jrtwr.step / bq25616jrtwr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (50 pp, sha256 7be49ad55a7694f6, retrieved 2026-10-01, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF