The TP4065-4.2V-SOT25-R PMIC-Battery Management SOT-23-5 RoHS device is a chip designed to manage Li-Ion batteries. The chip has an input voltage range of 2.7V-4.35V and an output voltage of 4.2V and an accurate voltage monitoring feedback system. The chip has an overcurrent protection feature and is integrated with several others such as Programmable Current Limit, Over Voltage protection, Over Temperature Protection and Short Circuit protection. It provides multiple switching functions and discharging Current Time Cycling Timers. The chip is packaged in a SOT-25-5 RoHS package and is manufactured by Extension Microelectronics.