High-power direct current charging circuit

The invention relates to a high-power direct current charging circuit. The high-power direct current charging circuit comprises a first input unit, a second input unit, a voltage-equalization electricreactor, a BUCK unit and an output end, wherein the first input unit and the second input unit are connected with the voltage-equalization electric reactor; the BUCK unit is connected with the voltage-equalization electric reactor; and the output end is connected with the BUCK unit. According to the high-power direct current charging circuit, two input units are utilized for inputting electric energy and respectively carrying out rectification and include a pre-charging unit for soft start, the two input units are connected to the voltage-equalization electric reactor in parallel, and the current is input into a high-power BUCK unit conversion circuit for direct current conversion, so that the high-power direct current charging function can be realized. 种大功率直流充电电路，包括：第输入单元及第二输入单元；均压电抗器，第输入单元及第二输入单元与均压电抗器连接；BUCK单元