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DRV8353RS-EVM: Question for Schematic

Annie Liu
Genius 10295 points
Part Number: DRV8353RS-EVM

Customer would like to know why is a 0Ω capacitor added to the SPI signal line in the schematic? What does the resistor do? Is it possible to remove it?

In additional, what are NT1, NT2, and NT3? What are the roles?

Thanks,

Annie

  • 0
    TI__Genius 12231 points

    Hi Annie, 

    Thank you for your inquiry. 

    Let our team look into available documentation and we will aim to provide you with a suitable answer as soon as we can.

    Best Regards,

    -Joshua

  • 0 in reply to Joshua Maize
    TI__Genius 10295 points

    Hi Joshua,

    May I know is there any suggestion for this question?

    Regards,

    Annie

  • 0 in reply to Annie Liu
    TI__Genius 12231 points

    Hi Annie, 

    Yes, I do actually have an update as of today: 

    Regarding the 0Ω resistors, they can be removed and basically act as bridges/connection points in traces that can be disconnected if desired. So yes, if the customer would like to remove the resistor, they can but will need to connect to SPI directly.

    In regard to NT1, NT2, NT3, ... they are similar to the 0Ω resistor as they act as connections/segmentation devices between different parts of the board's nets (Net-ties), and can often be replaced by a different suitable component later if desired.

    Hope this information clears up any confusion. 

    Best Regards,

    -Joshua