The TC2120-FB with SOT-23-6 Battery Management ICs ROHS manufactured by Fuman is a surface-mount integrated circuit specifically designed to monitor and maintain the performance of connected batteries. It is commonly used for providing various battery protection functions, such as over-voltage, under-voltage and over-temperature protection. It features a programmable minimum and maximum voltage limit for the battery, as well as current limit (charge and discharge). This IC is also capable of monitoring the battery temperature, charge cycle, and discharge cycle. This IC is designed in accordance with the RoHS standards, making it safe for use in most electronic environments.