BALANCING, PRECHARGE & ACTIVE DISCHARGE OPERATION OF SPLIT HV BATTERY SYSTEMS IN ELECTRIC VEHICLES

A circuit enabling precharge, active discharge and battery balancing operations in a single subcircuit (320) is described. According to one or more embodiments, a circuit is provided comprising a first battery (301) comprising a positive terminal coupled to a positive transmission line (302) and a negative terminal coupled to a common node (304), wherein the positive transmission line (302) comprises a first contactor (303), a second battery (305) comprising a positive terminal coupled to the common node (304) and a negative terminal coupled to a negative transmission line (306), wherein the negative transmission line (306) comprises a second contactor (307), and a subcircuit (320) coupled to the common node (304), to the positive transmission line (302), and to the negative transmission line (306).