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Texas Instruments BQ25892RTWR — Power Management (PMIC / Gate Driver)

BQ25892RTWR TI MaxCharge Li-Ion Charger IC, 5A I²C/USB

MPNBQ25892RTWR
Active

Texas Instruments BQ25892RTWR, MaxCharge™ series, single-cell Li-Ion/Polymer battery charger IC, 5A max charge current, I²C and USB interface, 24-WFQFN exposed pad, -40°C to 85°C operating temperature.

$4.0700Ref. price · indicative, final on quote
Packaging24-WFQFN Exposed Pad
RoHSROHS3 Compliant
SeriesMaxCharge™
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

BQ25892RTWR specifications
ParameterValue
SeriesMaxCharge™
MountingSurface Mount
Supply voltage14V
Charge current - max5A
InterfaceI²C, USB
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Case24-WFQFN Exposed Pad
Number of cells1
Fault protectionOver Current, Over Temperature
Battery chemistryLithium Ion/Polymer

Product details

That 5 A figure is the maximum charge current the device can source — it's a continuous rating, not a peak, so the power path and inductor need to be sized for sustained 5 A throughput without thermal derating concerns at the 85°C end of the operating range. The part integrates fault protection for over-current and over-temperature conditions, which simplifies the BOM by reducing the need for external supervisory circuitry.

Package and footprint — 24-WQFN with exposed pad

It does not extend to the full automotive under-hood range (125°C), but it handles the cabin and most portable use cases without issue.

The part is ROHS3 compliant.

Frequently asked questions

Can BQ25892RTWR charge at 5 A continuously?

Yes, the 5 A maximum charge current is a continuous rating, not a peak. The power path, inductor, and PCB thermal design must be sized for sustained 5 A operation, especially at the upper end of the -40°C to 85°C temperature range.