USB isolation

Discussion in 'The Projects Forum' started by kevin.khan, Aug 1, 2012.

  1. kevin.khan

    Thread Starter New Member

    Jul 9, 2012
    Hi there,

    I am currently designing a cirucit that consist of a USB module which will be connected to a PC. For safety reasons I plan on isolating the USB from the rest of the circuit using the FOD8012 bi-directional opto-isolator. Currently the USB module uses a mini B usb connector however I wish to replace this with a type B usb connector (to grant a more stable connection). I was doing some research and found that there are 4 conventional lines in a USB (VBUS, D-, D+, GND). On the mini B usb there are five with the fifth one being ID line. I want to know if it is still possible to replace the mini b usb connector with the type B usb connector and if it is how do I do it.

    Also I do realize that there are adpaters (mini b to type B adapter) however I do not wish to use these.
  2. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
    Yes assuming your device doesn't require the slave/host functionality.