Research on Current Balance of MOSFET Multi - tube Parallel Connection

In this paper, the motor drive system is taken as the application object, and makes a detailed analysis on the phenomenon of current imbalance in the case of multi-tube parallel connection of MOSFET, analyzes the reasons influencing the current imbalance in the multi-tube parallel connection of MOSFET circuit from the aspects of line wiring and device parameters, and puts forward the methods for solving the current imbalance. Finally, the effectiveness of the method is verified by the simulation of equivalent circuit and the experiment of actual circuit.