The TP4057ST26P is a Battery Management System Module manufactured by TPOWER with PMIC (Power Management Integrated Circuit). This unit operates on a wide input voltage range of 3V to 5.5V and is available in a SOT23-6 RoHS package. The device is designed to protect Lithium Ion based batteries. It features protection against overcharge, over-discharge, over current, short-circuit, and abnormal thermal conditions that can damage the battery. It is highly efficient and integrates many features and protections into a single controller. This module is suitable for use in a wide range of applications including medical, consumer electronics, automotive, and networking applications.