大电流连续二极管激光器阵列电源主电路

Main circuit of the high-current CW power supply for LDA

提出了MOSFET管控制的大电流连续二极管激光器阵列驱动电源主回路 ;其成本低 ,输出连续电流达 5 0A ,波动幅度小于 0 .0 5A。介绍了电路的工作原理及主要元器件参数的计算方法。

One main circuit,which is controlled by a MOSFET,of the high-current CW power supply for LDA is presented in this paper.This circuit is low-cost,and its output current is up to 50 A,and the fluctuation of the current is no more than 0.05A.The circuit's working sequence and the calculate methods on component parameters are introduced.Our design has been applied into a laser marking equipment composed of DPSSL.