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Modified USB Isolator

Modified USB Isolator

Modified USB Isolator

David Peters shared his modifications to my USB Isolator board. The board can be seen on a title picture (click on it to make it bigger), the design files can be downloaded and below is the list of modifications:

  • Isolated VBUS supply has been added
  • DC/DC converter can be enabled or disabled by jumper to choose external power supply
  • 7805 linear regulator can be used instead of DC-DC converter
  • Optional additional capacitors for better filtering
  • Enumeration reset possible with jumper
  • LEDs for input and output power visualization
  • Isolation between areas is 6mm providing ~600V protection

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