General Description
The XC6802 series is a constant-current/constant-voltage linear charger IC for single cell lithium-ion batteries.
The XC6802 includes a reference voltage source, battery voltage monitor, driver transistor, constant-current/constant-voltage charge circuit, over heat protection circuit, phase compensation circuit.
Features
- Operating Voltage: 4.25˜6.0V
- Charge Current(externally set): Externally set up to 800mA (MAX.)
- Charge Termination Voltage: 4.2V±0.7%
- Trickle Charge Voltage: 2.9V±3%
- Supply Current (Stand-by):12µA (TYP.)
- Package: SOT-89-5, SOT-25, USP-6C
- Other Functions: Constant-current/constant-voltage operation with thermal shutdown, Automatic recharge, Charge status output pin, Soft-start function (Inrush limit current)
Applications
- Charging docks, charging cradles
- MP3 players, portable audio players
- Cellular phones, PDAs
- Bluetooth headsets
Typical Application Circuits
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