Self-driven synchronous rectification circuit

• Main Authors: ZHANG WENLEI, ZHENG HAOQI
• Format: Patent
• Language: Chinese; English
• Published: 15.02.2022
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model provides a self-driven synchronous rectification circuit, which relates to the technical field of power supply circuit control and comprises a signal input module, an input EMI (Electro-Magnetic Interference) and rectification filtering module, a forward conversion module, a forward conversion control module, an output rectification filtering module and a synchronous rectification control module, the signal input module receives an input signal and then transmits the input signal to the forward conversion module through the input EMI and rectification filtering module, the forward conversion module is connected with the output rectification filtering module, the output rectification filtering module is connected with the synchronous rectification control module and outputs a signal, and the forward conversion control module is connected with the forward conversion module. The circuit is low in cost, high in conversion rate, simple in circuit and reliable. 本实用新型提供了一种自驱动同步整流电路，涉及电源电路控制技术领域，本电路