The SD4054 PMIC – Battery Management SOT-23-5 RoHS is a low-cost, feature-rich, Schottky diode-based Power Management IC (PMIC) manufactured by Shouding. This part is designed to provide efficient charging and discharging of rechargeable batteries in applications such as consumer electronics, industrial systems, and medical devices. The SD4054 features overvoltage and over-discharge protection, reverse current protection, short-circuit protection, and thermal protection. Additionally, the features can be programmed via a serial communication port. The SD4054 also has a built-in ESD protection. This part meets RoHS (Restriction of Hazardous Substances) standards and is lead-free.