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TS5A23157 多次开关切换以后 IN1, IN2和GND短路了

Other Parts Discussed in Thread: TS5A23157, TPD2E2U06, ESDS312

电路如上图所示,我是通过按键来切换通道的,平时IN1 和IN2都为高电平,然后按下按键, IN1 ,IN2短接到地实现通道跳转,但是在使用中发现有两个芯片,在多次跳转以后,IN1 IN2就跟地短路了,再也不能拉高了,这大概是什么原因造成的呢? 请帮忙看一下