RESONANT POWER CONVERTER WITH DEAD-TIME CONTROL OF SYNCHRONOUS RECTIFICATION CIRCUIT

The invention relates in a first aspect to a resonant power converter comprising a synchronous rectifier for supplying a DC output voltage. The synchronous rectifier is configured for alternatingly connecting a resonant output voltage to positive and negative DC output nodes via first and second semiconductor switches, respectively, separated by intervening dead-time periods in accordance with first and second rectification control signals. A dead-time controller is coupled to the resonant output voltage or the resonant input voltage and configured for adaptively adjusting lengths of the dead-time periods via the first and second rectification control signals. 本发明在第方面涉及种谐振电源转换器，包括用于提供直流输出电压的同步整流器。同步整流器被配置为根据第和第二整流控制信号通过插入死区时间段分别经由第和第二半导体开关交替地将谐振输出电压连接到分开的正直流输出节点和负直流输出节点。死区时间控制器耦合到谐振输出电压或谐振输入电压，并被配置为经由第和第二整流控制信号自适应地调整死区时间段的长度。