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TPS7B7702-Q1: impact of not using CH2

wang wan
Prodigy 210 points
Part Number: TPS7B7702-Q1
Other Parts Discussed in Thread: TPS7B7701-Q1

Tool/software:

Hi,

  We use TPS7B7702-Q1 in our design. However, Only CH1 is used.  PIN 3& 6 &11 &13&14 are floating. Is it feasible? Will it have effect on CH1?

P.s. We know there is TPS7B7701-Q1.

 

  • +1
    TI__Guru 50025 points

    Hi,

    The ENx pins have a pulldown circuit, so channel 2 will be inactive if the channel 2 pins are floating. This is not an issue. With that said, it would be better to ground the unused pins because they will help improve thermal performance. 

    Regards,

    Nick