The BQ25618/619 integrates
charge, boost converter and voltage protection in a single device. It offers the
industry’s lowest termination current for switching chargers to charge wearable
devices by full battery capacity. The BQ25618/619 best-in-class low quiescent
current reduces battery leakage down to 6 uA in Ship mode, which conserves
battery energy to double the shelf life for the device. BQ25619 is in 4x4 QFN
package for easy layout. BQ25618 is in 2.0x2.4mm2 WCSP package for space limited
design.