We have a battery operated instrument. In some cases, the internal battery is dead and the user will plug in a USB cable to charge. In this case VDD (Vaudio) is not present, and we have fried 3 ICs. since this IC is only used while a USB cable is plugged in, can be connect Vaudio to VBUS? Would this cause a problem to the uP when powered and the TS5USBA224 is not?
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