
Microsemi Corporation
DESCRIPTION
The LX2208 is a single cell Lithium Ion or Lithium Polymer battery charger. The controller will charge a single cell Li-Ion battery from either a wall adapter or a USB power source. A low under-voltage lockout level increases usable charging range from a current limited power source. In addition, there is a linear die temperature thermal control loop, which limits the heat dissipation while still charging the battery.
KEY FEATURES
◾ Up to 2A Charging Current
◾ Integrated Power MOSFET
◾ Three Charge Levels for Adapter, and USB Hi and Low
◾ Charge Battery from a Current Limited Adapter
◾ 0.5% Battery Voltage Accuracy
◾ USB Current Compliance
◾ Battery Full Indicator
◾ CC/CV with Thermal Feedback
◾ Battery Temperature Monitor
◾ Precision Charge Termination
◾ Protection features:
o Unsafe Battery Temp Lockout
o Internal IC Temp Regulator
o USB Current Limiter
o Reverse Current Blocking
o Under Voltage Lockout
o False Termination Prevention under Low Supply Conditions
APPLICATIONS
◾ Navigation Devices
◾ Multi-Media Players
◾ Handheld Devices
◾ Digital Cameras