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DRV8301: 在快速重复驱动电机时,在任意相线的上下管两端DS波形会有冲击,加了吸收电路无法很好解决

Part Number: DRV8301


在重复转动电机时,电机任意相线的上下管DS端会出现以下波形     50倍衰减;电源电压为48V冲击最大能到71V,加了RC吸收,在MOS管上并二极管无法很好解决问题,,想问下是反冲电压引起的吗,如何解决呢。