Chopped current output circuit and method

The invention discloses a chopping type current output circuit and method, and relates to the technical field of switching power supplies, the chopping type current output circuit comprises a high-voltage branch circuit, a low-voltage branch circuit and a control circuit, the control circuit controls the high-voltage branch circuit and the low-voltage branch circuit to work cooperatively, and a load is driven to switch among a plurality of working states. According to the chopping type current conversion method, the switching speed under high voltage and the working precision under low voltage are considered, closed-loop feedback control of output voltage and output current is carried out on each high-voltage switching element and each low-voltage switching element through a control circuit, and coarse adjustment and fine adjustment of the output current are combined. 本申请公开了一种斩波式电流输出电路及方法，涉及开关电源技术领域，斩波式电流输出电路包括高压支路、低压支路、以及控制电路，控制电路控制高压支路以及低压支路协同工作，驱动负载在多个工作状态之间切换，实现兼顾高电压下的开关速度以及低电压下的工作精度，斩波式电流转换方法通过控制电路对各个高、低