A method of stepping motor driver circuit was given, composed by a chopper type current mode switch regulator and a monolithic stepping motor driver TA8435H.
提出采用斩波式电流型开关电源结合单片式步进电机驱动器TA8435H，构成一种电机驱动电路的方案。
2
GTO dc chopper is adopted for the main power supply while the switch mode control with derivative feedback loop is adopted for the main controller.
主电源采用GTO直流斩波器。主控采用带微分反馈环节的开关斩控模式。
3
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.