Schematics Checklist

Document Category Item
Schematics USB Each USB port has current protection (at least one fuse for two ports)
Schematics USB Check that USB fault signal is correctly connected (optional)
Schematics USB Check that there is an optional ESD/EMI protection circuit on USB_DP/DM signals
Schematics USB Check that there is a 120 uF capacitor on VBus per port
Schematics USB USB fault signal is connected
Schematics USB USB protection can recover its functionality
Schematics USB USB protection maximum peak does not trigger any other protection
Schematics USB USB protection is UL and IEC 60950-1 certified
Schematics USB USB voltage tolerance is OK (4.75V / 5.25V)
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