The S-8254AAJFT-TB-S is an integrated circuit battery management chip manufactured by Ablic. This PMIC, or Power Management Integrated Circuit, has 16 pins and is RoHS-compliant. It is a linear type battery management chip that performs regulated charging and discharging of Li-Ion batteries. The S-8254AAJFT-TB-S is designed for low power consumption with an operating voltage range of 2.7 to 5.5V. It incorporates steady-voltage and constant-current charging, reverse-current protection, and over-temperature and over-charge protection, as well as battery cell balancing and system state monitoring. This PMIC is used extensively in mobile phones and portable electronic devices, and is well-suited for use in applications requiring a high level of integration and low power consumption.