Program-controlled LLC resonant transmitter and control method thereof

The invention provides a program-controlled LLC series resonant converter and a control method thereof, and the resonant converter is characterized in that the resonant converter consists of a primaryside bridge circuit, a primary side auxiliary power supply circuit, an LLC resonant circuit, an LLC resonant driving circuit, a secondary side output rectification circuit, a secondary side output adjustment circuit, a single-chip microcomputer control circuit, a single-chip microcomputer output PWM conversion circuit, and a power feedback circuit. Through the combined design of a single-chip microcomputer and an LLC series resonant converter, the resonant converter completes the control of the output voltage of a power supply under different load conditions, solves a problem of communicationwith an upper computer, and completes a function of controlling the converter through the upper computer. 本发明提供了种程控LLC串联谐振变换器及其控制方法，其特征在于：程控LLC串联谐振变换器由次侧桥式电路、次侧辅助电源电路、LLC谐振电路、LLC谐振驱动电路、二次侧输出整流电路、二次侧输出调整电路、单片机控制电路、单片机输出PWM转换电路