USB Schematic Checklist
Reading time : 1 minute
Published on 23 Jun 2020 - Updated on 05 Dec 2020
| 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) |