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How to handle unused rails of TPS65910?

Jiansheng Liu
Intellectual 310 points
Other Parts Discussed in Thread: TPS65910

My design doesn't use every output rails from TPS65910. How their input and output pins should be handled? For example if VDIG1 and VDIG2 are not used, can its input VCC6 be left open? If VDD3 is not used? Can I simply left its SW3 and VFEB3 pins open?

thanks

  • 0
    TI__Genius 15100 points

    Hi,

    For any inputs it is better to connect it to supply. Outputs can be floating.

    For VDD3, you can keep it floating. In fact VDD3 need to be powered up using software. So, if you dont need it then dont power it up in software and keep the outputs floating.

     

    Regards,

    Gandhar.