基于TMS320F28035+DRV8412两相混合式步进电机驱动电路设计  

Based on TMS320F28035+DRV8412 two-phase hybrid stepper motor drive circuit design

作　　者：倪晓宇 崔瑞龙 刘威 黎俊 焦旭光 周明雨 NI Xiao yu;CUI Rui long;LIU Wei;LI Jun;JIAO Xu guang;ZHOU Ming yu(Jiangxi Zhongchuan Navigation Instrument co.LTD,Jiujiang 332000,China)

机构地区：[1]江西中船航海仪器有限公司,江西九江332000

出　　处：《电子设计工程》2020年第7期36-40,共5页Electronic Design Engineering

摘　　要：在两相混合式步进电机驱动电路中,为了简化电路、提高驱动能力,提出了一种基于DSP+DRV8412的两相步进电机驱动电路的设计方案。利用TMS320F28035作为主控芯片,为系统产生PWM波。DRV8412作为一款专用的驱动芯片,其驱动功率大。通过软件实现对步进电机控制。试验结果表明,PWM波及其分频,都可以由DSP准确无误地产生,达到了预期的效果。在实际的应用中,电机运行平稳。In order to simplify the circuit and improve the driving ability of two-phase hybrid stepping motor,a design scheme of two-phase stepping motor driving circuit based on DSP+DRV8412 is proposed.TMS320 F28035 is used as the main control chip to generate PWM wave for the system.As a special driver chip,DRV8412 has high driving power.The stepper motor is controlled by software.The test results show that PWM and its frequency division can be produced accurately by DSP and achieve the expected effect.In practical application,the motor runs smoothly.

关 键 词：步进电机 TMS320F28035 DRV8412 驱动电路 

分 类 号：TN919[电子电信—通信与信息系统]