tpa3130d2供电电压为12V,但是GVDD(7Pin)电压只有5.2V(测试了三块都是这样),但是规格书给的是7V,请帮忙看一下,是什么原因,以下是原理图:
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tpa3130d2供电电压为12V,但是GVDD(7Pin)电压只有5.2V(测试了三块都是这样),但是规格书给的是7V,请帮忙看一下,是什么原因,以下是原理图: