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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/579065/tusb4020bi-usb_vbus-is-always-supplied
您好，
如果USB_VBUS始终提供有效电压电平，是否存在任何问题？ 例如，当USB_VBUS有效但未提供VDD或VDD33时，是否存在任何问题？
谢谢！
Antony
