1.1-A, Single-Input, Single-Cell Li-Ion Battery Charger UG

This user's guide describes the bq25040 evaluation module (EVM), how to setup the EVM to perform a stand-alone evaluation or interface with a system or host. The charger is designed to deliver up to 1.1 A of continuous current to the battery output in the adapter mode, ISET, or current limits the input to either 100 mA or 500 mA when in USB100/500 modes. The charge is programmed from the factory for 0.51 A in ISET mode. In the Protection Test Support (PTS) mode, the battery output is capable of delivering >2.3 A of current for short pulses. The LDO regulator output can deliver up to 50 mA of current.