a novel rscc for balancing the series connected battery cells voltages

Conventional switched-capacitor voltage equalizers face limitations such as reduced balancing speed with an increasing number of cells, capacitor inrush currents, and emi noise. to address these issues, this article introduces an innovative voltage equalizer employing a resonant structure to enhance performance. the proposed design features an optimized capacitor network capable of transferring energy between all cells within a battery pack with a low path impedance, ensuring consistent balancing speeds regardless of cell count or initial voltage distribution. moreover, the circuit incorporates soft switching conditions to minimize switching losses and emi noise, ultimately enhancing converter efficiency. this innovative approach minimizes switching losses, enabling higher switching frequencies and reducing passive component size. the article presents simulation results with six series cells, showcasing substantial enhancements in balancing speed – a 70% increase compared to mesh structure and a 56% increase compared to delta structure. additionally, the equalizer attains an efficiency rating of 94.6%.