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请问，TS5USBA224 USB-Audio Switches 器件，有没有一款在不供任何电源的情况下可以导通的，我是用到产品上是想在关机或者没电的状态下可以AUX输入使用音频通道。
没有这种芯片吧，不上电，芯片是没法工作的。
