Flying capacitor three-level Boost balancing circuit and control method

The invention relates to the technical field of power electronics, in particular to a flying capacitor three-level Boost balancing circuit and a control method.The flying capacitor three-level Boost balancing circuit comprises a current driving module, a charging and discharging module, a flying capacitor and a balancing control module, and the current driving module is connected with the charging and discharging module; the current driving module is used for acquiring given current and feedback current and outputting a driving signal based on the given current and the feedback current, the charging and discharging module is connected with the flying capacitor and is used for switching a switch state based on the driving signal and charging or discharging the flying capacitor, and the balance control module is connected with the flying capacitor and the charging and discharging module. The equalization control module is used for charging the flying capacitor when the voltage at the two ends of the flying capa