Design of dimmable LED lighting driving circuit for battery power source

In this paper, the design of dimmable LED lighting driving circuit for battery power source is proposed. In this research, Class-E resonant converter is the electricity power conversion circuit for achieving high efficiency. By applying multiple series transformers with three windings to driving multiple LED lighting lamps which can improve current uniformity and increase operating reliability. Furthermore, integral cycle switching technique will be utilized to implement the dimming design. Finally, the simulation results show the driving circuit which can promote the operating efficiency with dimmable control.