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TPS25750: D+/D- not in use or connected to the host MCU

Part Number: TPS25750


What is the implication of not connecting D+/D- to the USB connector where the USB host/device connects?

My customer wants to connect D+/D- to the main microcontroller mainly for debugging purposes. What are the risks and consequences? Will the TPS25750 operate on power default values? What are those?

Thank you!