The TP4066 is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. The world's first create chip with reverse battery protection and power supply reverse connect protection Its ESOP8/DFN2*2-8 package and low external component count make the TP4066 ideally suited for portable applications. Furthermore, the TP4066 can work within USB and wall adapter.

·Programmable Charge Current Up to 1000mA

·Lithium-ion batteries Reverse battery protection

·Complete Linear Charger in ESOP8/EMSOP8 Package for Single Cell Lithium-Ion Batteries

·Constant-Current/Constant-Voltage 

·Charges Single Cell Li-Ion Batteries Directly from USB Port

·Preset  Charge Voltage with 1% Accuracy

·Automatic Recharge

·two Charge Status Output Pins 

·C/10 Charge Termination

·2.9V Trickle Charge Threshold (TP4066)

·Soft-Start Limits Inrush Current

·Available Radiator in 8-Lead ESOP/DFN2*2 Package, the Radiator need connect GND or impending