请问可以在TPS54622的EN管脚上输入PWM信号吗,如果可以的话电路该如何接,谢谢
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HI
可以的,直接给PWM信号芯片EN脚, 但是注意频率不宜太高。请问你PWM的频率预计是多少?
Hi
如果将EN置1.26V以上电压,输出是否正常?
将频率调到1kHz以下看看,注意此时输出也是在做1kHz的on/off,可用示波器测试一下?