The WS4508S-8/TR is a Battery Management System-on-Chip (BMS-SoC) for multi cell lithium-ion battery packs with PMIC (Power Management IC) and SOP-8L-EP RoHS from Will Semiconductor. This device includes protection and measurement functions for up to 8 Li-Ion cells, including cell temperature monitoring, cell-balancing, cell-discharge voltage protection, overcharge protection, over-discharge protection, optional reverse current protection, and over current protection. It is designed to maintain charge and balance across multiple cells in a battery. The WS4508S-8/TR features a built-in Battery Boot Loader (BBL) to support secure firmware updates. It is a highly efficient, low power device with digital and analog features that enable accurate battery-level monitoring and power-management functions for various connected applications. The WC4508S-8/TR is RoHS compliant and suitable for automotive, industrial, and consumer applications.