The CWQ1100-W with PMIC-Battery Management WLCSP2.64*3.94 RoHS manufactured by Celfras is a high-performance battery management IC from the CWQ1100 family. It offers protection and management for a wide range of Li-ion and LiPo battery sizes. Features include low power voltage monitoring, dual-cell sequential Cell balancing, charge and discharge FETs, protection circuitry, and SMBus interface. It also supports high conversion efficiency with its low quiescent current, high switching frequency, and programmable switch on resistance. Additionally, the WLCSP2.64*3.94 package provides a compact form factor for efficient performance and space savings.