This talk will unveil a comprehensive, innovation-driven approach that aims to achieve a 50% reduction in on-board charger (OBC) production cost while maintaining cutting-edge performance. Key technology innovations—including advanced material selection, planar magnetics, and next-generation semiconductor devices—are highlighted, alongside strategic redesign and manufacturing optimizations. Attendees will gain insight into the challenges faced, solutions implemented, and the practical impact these advancements have on OBC economics.