TPD6S300: if Pin19 and Pin20 can be connected to GND when not used

Given Ding

Expert 8715 points

Part Number: TPD6S300

Hi Team,

Just want to check if Pin19 and Pin20 can be connected to GND when not used. Thanks.

BRs

Given

over 3 years ago

0 Emma Hoying over 3 years ago

TI__Genius 9630 points

Hi Given,

Please leave these pins as NC if they are unused.

Thanks,

Emma

0 Given Ding over 3 years ago in reply to Emma Hoying

TI__Expert 8715 points

Hi Emma,

Thanks for your reply.

If leave this pin as NC, Is it OK on both floating these pins or connected them to GND?

Also, pin16/17 are NC pins, Is it OK on both floating these pins or connected them to GND?

Thanks.

BRs

Given

0 Emma Hoying over 3 years ago in reply to Given Ding

TI__Genius 9630 points

Hi Given,

Please leave pin 19 and pin 20 as NC. Please ground pin 16 and pin 17.

Thanks,

Emma

0 Given Ding over 3 years ago in reply to Emma Hoying

TI__Expert 8715 points

Hi Emma,

Thanks for your reply.

But what's the reason for this? If NC pin, it should can be floating or ground both. On customer side, they have such application, so want to know the reason why pin19/20 needs to be floating ( cannot be ground) and pin16/17 needs to be ground( cannot floating) since they are both NC pins if unused. Thanks.

BRs

Given

0 Emma Hoying over 3 years ago in reply to Given Ding

TI__Genius 9630 points

Hi Given,

I would actually like to change my previous recommendation to ground pin 19/20. The datasheet is specific on what to do with these pins. While pin 16/17 name lists them as N.C., the pin directions are to ground it, similar to pin 19/20, as seen below.

Thanks,

Emma

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TPD6S300: if Pin19 and Pin20 can be connected to GND when not used