From the design :
“There is no need for ESD protection on the USB D+/D- signals. The ESD performance is somewhat
dependent on the customer’s PCB design. A good strategy is to add a population option for
a single TVS diode on each data signal line (not populated by default) so as not to compromise
the differential pair layout of USB D+/D-. If, after ESD testing, it is determined the TVS diodes are
necessary, they can be added to the production board. ESD protection should be added on the USB_5V
and USB_ID signal lines.”
Have a great day,
Yuri
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