on of these MOSFETs, thus improving efficiency. First, the concept of S-SR is proposed. Second, a time-domain state trajectory model of SSPS-PFM LCC is built. According to this model, the mathematical relation of S-SR conduction angle with switching frequency (SF) and secondary-side phase shift angle (SSPSA) is derived, and a simple calculation method of S-SR conduction angle is designed. This enables the realization of S-SR scheme with no additional sensors and almost no additional controller computational burden. Finally, a SSPS-PFM LCC prototype is built to verify the effectiveness of the proposed S-SR scheme.">
Semisynchronous Rectification Scheme for Hybrid Modulated LCC Resonant Converter With Wide Voltage Gain Range (original) (raw)