TM4C123GH6PM: Why do I have to add a VBUS Driver control LDO, can I directly tie the 5V of my system directly to the USB Connector?

Leo Liao20

Part Number: TM4C123GH6PM

I want to implement firmware update by USB DISK on TM4C123GH6PM,
according to Previous message, Why do I have to add a VBUS Driver control LDO, can I directly tie the 5V of my system directly to the USB Connector?

over 6 years ago

0 Ralph Jacobi over 6 years ago

TI__Guru*** 135355 points

Hello Leo,

I am not clear on what prior message you mean. Can you clarify that? I don't think I properly understand your question without that context.

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TM4C123GH6PM: Why do I have to add a VBUS Driver control LDO, can I directly tie the 5V of my system directly to the USB Connector?