Bridgeless totem pole type PFC power supply circuit for wireless charging system and control method of bridgeless totem pole type PFC power supply circuit

The invention discloses and provides a totem pole PFC power supply circuit which is low in cost, simple in structure, applied to a wireless charging system and capable of reducing total harmonic distortion and improving the wireless charging system and a control method of the totem pole PFC power supply circuit. The bridgeless totem pole type PFC power supply circuit for the wireless charging system comprises an alternating current power supply Vac, an inductor Lm1, an inductor Lm2, a first high-speed power bridge arm, a second high-speed power bridge arm, a low-speed rectifier bridge arm, an output filter capacitor C, a load resistor R and a voltage output V. The invention is suitable for the technical field of power electronics. 本发明公开并提供了一种成本低廉、结构简单、应用于无线充电系统中的能够降低总谐波失真还能提升无线充电系统的图腾柱PFC电源电路极其控制方法。本发明中的用于无线充电系统的无桥图腾柱型PFC电源电路包括交流电源Vac、电感Lm1、电感Lm2、第一高速功率桥臂、第二高速功率桥臂、慢速整流桥臂、输出滤波电容C、负载电阻R以及电压输出V。本发明适用于电力电子技术领域。