The is an integrated circuit (IC) for battery management. It is part of the MM3508A series and is designed for lithium ion/polymer batteries with 2 to 4 cells. It provides battery protection functions and has fault protection for over current and over voltage conditions. The package is 6-WFDFN exposed pad, and it is surface mountable. The temperature range for operation is -40°C to 110°C. This IC is active and available in a standard package of 3,000 pcs. It is manufactured by Mitsumi, a trusted brand in power management ICs. The MSL level is 2, indicating a 1-year moisture sensitivity. The HTSUS code is 8542.39.0001.