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drv8301开发板的问题

Other Parts Discussed in Thread: INSTASPIN-BLDC

   在instaspin-bldc例程中,PWM_CNTL_INIT_MACRO驱动的PWM波形很奇怪,请教一下各位TI的高手。

比如电机电流为AB时,为什么A相半桥和B相半桥的上下桥臂都同时会有PWM波形,这与书本的三相六拍很不一样。

那么这个时候电流不是A->B   B->A震荡么?