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TAS5766M DVDD 对地短路

Other Parts Discussed in Thread: TAS5766M

TO TI: 目前用TAS5766M做的案子 原理图是参照TI技术文档里面的标准原理图做的,PCB板上电后所有供电电压工作正常 但是 TAS5766M 的30脚DVDD会对地短路然后芯片发热 请问TI工程师 只是什么原因引起的呢?