SC908: Power Management IC for Single-Cell Li-Ion Devices

The SC908 is a complete power management system designed for use in Bluetooth wireless headsets, portable media players, and other battery-powered electronics where size is critical.

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Features

Single Cell Li-Ion battery charger — CC/CV charging with current soft start
Charger regulated output voltage — 4.2V ±1% over temperature with Kelvin sense of battery voltage
Charger input protection withstands 28V indefinitely
Charger max constant current setting — 500mA
Adjustable charge termination current down to 10mA
Battery NTC interface disables charging if battery temperature out of range
Programmable low battery detector threshold
Four status indicators
Programmable charge completion timer
Buck converter with enable — output programmable from 1V to 3V, 150mA max output
Buck converter effi ciency — 88% at 50mA
General purpose low noise LDO regulator with fast enable, active shutdown
4x4x0.9 (mm) MLPQ package
WEEE and RoHS compliant