Synchronous rectification DC-DC bidirectional converter circuit and control method thereof

• Main Authors: DENG SHENGZHONG, CHEN CANGYI
• Format: Patent
• Language: Chinese; English
• Published: 17.03.2023
• 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; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention provides a synchronous rectification DC-DC bidirectional converter circuit and a control method thereof.The synchronous rectification DC-DC bidirectional converter circuit comprises an MOS tube A, an MOS tube B, an MOS tube C, an MOS tube D, a detection resistor and an inductor, one end of the MOS tube A is connected with a voltage input end, the other end of the MOS tube A is connected with one end of the MOS tube B and one end of the detection resistor, the other end of the detection resistor is connected with one end of the inductor, the other end of the inductor is connected with the MOS tube C and the MOS tube D, and the other end of the inductor is connected with the MOS tube C and the MOS tube D; wherein the MOS tube A and the MOS tube B form a pair of complementary BUCK adjusting circuits, the MOS tube B is a complementary tube of the MOS tube A, the MOS tube C and the MOS tube D form a pair of complementary BOOST adjusting circuits, and the MOS tube D is a complementary tube of the MOS