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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/656877/tusb211-d-d--signal-quality
尊敬的TI成员：
由于我们的客户 有一些错误，他们使用TUSB211，但没有VCC电压。
他们想知道IC是否需要焊接但没有VCC电压， D+/D-信号是否 存在质量问题？
谢谢！
