TP5100 Li ion Battery Charger can be used to charge 1S and 2S Li ion Battery from an input voltage of 5V-18V. It is a double switch buck 8.4V, single cell 4. 2V lithium battery charge management chip. Its ultra-compact and simple external circuit, making TP5100 ideal for portable equipment so large current charging management applicationsTP5100 built-in input overcurrent, undervoltage protection, over temperature protection, short circuit protection, battery temperature monitoring, reverse battery protection.
Input voltage: 5-15V DC power supply.
Charge status: full and unloaded blue lights, charging red.
Double 8.4v / 4.2v lithium rechargeable single .
Programmable charge current. 0. 1A-2A .
Programmable steady precharge current 10% -100%.
Red and green LED charge status indicator.
Chip temperature protection, overcurrent protection, under voltage protection. Battery temperature protection, reverse battery shutdown, short circuit protection. Switching frequency 400Khz, usable inductance 20uH.