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这是正品UCC27211吗?

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Other Parts Discussed in Thread: UCC27211

两个芯片的丝印完全不同,UCC27211芯片的丝印在近期换了吗?

UCC27211我已经烧了15片了,试过很多方法但是用来驱动电机的H桥,马上烧!!!是在上电的时候烧。

请各位专家鉴定一下是不是我买到假芯片了?