A integrated charging equalizer based on LLC resonant is proposed, which can charge and balance the battery string simultaneously. And the integrated voltage equalizer reuses the LLC converter’s magnetic element, and the automatic voltage balance function is achieved without cell monitoring. The working principle of the LCC converter-based integrated equalizer is analyzed in detail, which ensures ZVS among all MOSFETs during the charging process. Simulation results show that the proposed integrated equalizer can realize charging and balance functions under the condition of ZVS.
