bq2416x Switchmode Li-Ion Battery Chargers Texas Instruments bq2416x 2.5A Dual-Input Single Cell Switchmode Li-Ion Battery Chargers are highly integrated power path management devices targeted for space-limited, portable applications with high capacity batteries. These TI single cell chargers have dual inputs allowing operation from either a USB port or higher-power input supply. The bq24160, bq24161, bq24163, and bq24168 have an I2C interface.