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Texas Instruments BQ24073RGTT — Power Management (PMIC / Gate Driver)

BQ24073RGTT — TI Li-Ion 1-Cell USB Charger, 1.5A, 16-QFN

MPNBQ24073RGTT
Active

Texas Instruments BQ24073RGTT, single-cell Li-Ion battery charger, USB interface, 1.5A max charge current, 16-VFQFN Exposed Pad package, -40°C to 125°C junction temperature range.

$4.3800Ref. price · indicative, final on quote
Texas Instruments BQ24073RGTT datasheet (PDF)
Packaging16-VFQFN Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

BQ24073RGTT specifications
ParameterValue
MountingSurface Mount
Battery pack voltage4.2V
Supply voltage6.4V
Current - chargingConstant - Programmable
Charge current - max1.5A
InterfaceUSB
Operating temperature-40°C~125°C(TJ)
PackageTape & Reel (TR); Cut Tape (CT)
Case16-VFQFN Exposed Pad
Number of cells1
Fault protectionOver Temperature, Over Voltage, Reverse Current, Short Circuit
Battery chemistryLithium Ion
Programmable featuresCurrent, Timer

Product details

1.5A charge current and USB supply ceiling

The BQ24073RGTT: Max charge current is 1.5A — enough to charge a 1000mAh single-cell Li-Ion pack in under an hour, assuming the thermal pad on the 16-VQFN (3x3) package is properly sinked. The supply max is 6.4V, which covers USB VBUS (5V nominal) plus a healthy margin for cable drop and hot-plug transients. The charger uses a constant-current / constant-voltage profile with programmable current and timer via external resistors. Fault protection covers over-temperature, over-voltage, reverse current, and short circuit — no external supervisor needed for those events.

Frequently asked questions

How long does it take to charge a 1000mAh battery with the BQ24073RGTT?

At the maximum charge current of 1.5A, a 1000mAh cell charges in roughly 40–50 minutes in the constant-current phase, plus the constant-voltage taper. Actual time depends on the cell's internal resistance and the thermal regulation threshold — the exposed pad must be well-sinked to sustain 1.5A without throttling.