Texas Instruments’s new bq25120 battery management solution features low quiescent current (Iq) at 700-nA with the buck converter and operates at 1.8 V. Supporting batteries from 3.6-V to 4.65-V, and fast charge currents from 5-mA to 300-mA, the bq25120 enables wearables and Internet of Things (IoT) applications to remain on without draining the battery. 
The bq25120 includes a linear charger, configurable LDO, buck converter, load switch, push button control, and battery voltage monitor. You can use it with other devices to integrate more end application features.
With the $99 bq25120 evaluation module (EVM), you can speed up time to market by easily evaluating device features and performance. The 2.5 mm × 2.5 mm bq25120 charger costs $1.60 in 1,000-piece quantities.
Source: Texas Instruments
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