Other Parts Discussed in Thread: DRV8301,
您好:
DRV8301/8302输出的栅极高低电平转换的最高频率能到多少?是以数据手册6.3的f_gate 200Khz(MAX)为准,还是按照6.6中各个动作的时间来算呢?
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您好,
栅极高低转换的最大频率基于f_gate,f_gate是通过将总平均栅极驱动电流/6除以MOSFET的总栅极电荷计算得出的。
对于 DRV8301和 DRV8302来说,总平均栅极驱动电流为30mA,由此可以计算出:(30mA/6)/总栅极电荷。