Semtech 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.
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
Applications
- Bluetooth headsets
- MP3 players
- Low cost mobile phones
Order Codes
- SC908MLTRT: Lead-free package, fully WEEE and RoHS compliant, tape and reel only.
|
