TP5100 is a Lithium battery management chip. It is capable of charging a single lithium-ion cell or two lithium-ion cells wired in series at the same time. It is designed for a double 8.4V / 4.2V single lithium-ion battery.
This Li-ion Battery charging module comes in a small package making it ideal for portable devices. It has an in-built input overcurrent, under-voltage protection, over-temperature protection, short circuit protection, battery temperature monitoring, and reverse battery protection.