The SGM40561-4.2YTDE8G/TR is an integrated battery management IC designed for lithium-ion and lithium polymer battery packs. It is available in a space-saving 2x2-8L TDFN package, RoHS compliant and provides overcurrent protection, short-circuit protection, overvoltage protection, and undervoltage protection. The integrated smart charging features offer fast charge support, adjustable charging termination, and thermal regulation. It also includes short-circuit protection, reverse current protection, thermal regulation, and active cell balancing. This IC is a good solution for use in a range of applications, such as mobile phones, PDAs, digital cameras, and other portable and mobile electronics.