The ME4315AM6G from Micro One is a Battery Management System (BMS) in a SOT23 form factor with RoHS compliant packaging. The part contains a Power Management IC (PMIC) that helps manage and charge batteries. The PMIC provides circuit protection for over current, under voltage, and thermal conditions, and also includes a buck converter for charging lithium-ion (Li-ion) batteries. It is designed to provide small, cost-effective solutions for battery management, for use in various portable and embedded applications, including cell phones, tablets, laptops, and cameras. The device is also optimized for low power consumption.