This application note presents a 7 kW On-Board Charger (OBC) reference design tailored for electric vehicle (EV) battery charging. The design showcases efficient power conversion, incorporating advanced technologies to meet the growing demand for faster and more reliable EV charging solutions. Key features include high-power density, thermal management strategies, and safety compliance for automotive applications. The reference design addresses key challenges in energy efficiency, cost optimization, and system integration, providing manufacturers and developers with a scalable solution for enhancing EV charging infrastructure.