USB Schematics
Reading time : 1 minute
Published on 23 Jun 2020 - Updated on 05 Dec 2020
Schematics
Power
USB power shall be OFF when product is OFF
EMI/ESD Protections
Design verification
Schematics verification
- Check calibration resistor value
- Check that there is a fuse on VBus
- Check that USB fault signal is correctly connected (optional)
- Check that there is an optional ESD/EMI protection circuit on USB_DP/DM signals
- Check that there is a 120 uF capacitor on VBus per port
