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TUSB3410: Check the TUSB3410's connection of VREGEN , SUSP and RESET

Robert Hsieh
Prodigy 85 points
Part Number: TUSB3410

I have a question of TUSB3410IRHBT.

I  want to use TUSB3410IRHBT to translate  USB to I2C.

I follow the application note"TUSB3410 USB to I2C Application Note.pdf " to draw my schematic.

However, FAE tell me that the VREGEN , SUSP and RESET are wrong connection.

I want to check them  which connection is right.

The application note shown below:

The FAE suggest us the correct connection shown below:

  • 0
    TI__Guru 64326 points

    Hi,

    I would recommend following the first schematic from the app note. However, in the second schematic VREGEN/ would see 3.3V after reset is deasserted. Are you going to provide an external 1.8V?  

  • 0 in reply to Malik Barton57
    TI__Guru 64326 points

    Hi,

    Is there any more support needed for this issue? If so please reply with any relevant details so that I can further assist you. For now I will be marking this thread as "TI Thinks Resolved". If you have resolved your issue, please post the solution to the original problem/post for others with similar issues.