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ucc28019芯片启动问题

Other Parts Discussed in Thread: UCC28019

ucc28019芯片不启动,8脚没有电压,3脚也没电压,3脚是采集电流的脚没电压说明没采集到电流,电流没采到我该怎么调试电路才能试芯片启动

  • Hi

       做个启动测试,用示波器测试驱动,如果VCC电压超过11V, Vsense侦测没有问题,驱动是完全没有反应?还是PWM输出几个波形后就没有呢?

      这个用于判定是芯片问题,还是电路设计问题?