请问在这个电路中有什么设计上的问题吗?其中VS2为电源电压,范围9-32V,VS_r1后端接负载。实际测试时不接负载的情况下,电源电压上升至5V时,INA169就开始发烫,电源电压上升至8V时,INA169烧坏,本来怀疑是TVS管和电容的问题,随后焊掉后重新测试,结果还是一样,请问有谁能解答下吗?
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