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。
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。
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.
采用移相调制的多重斩波电路，可以提高等效开关频率，因此可应用在中大功率场合。
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.
采用移相调制的多重斩波电路，可以提高等效开关频率，因此可应用在中大功率场合。
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