TPA3128D2: GVDD issue

minkyo seo

Expert 1230 points

Part Number: TPA3128D2

I'm using TPA3127D2 on my board.

After Shutdown, GVDD still has voltage. and it make current consumption.

Is there a way to turn off GVDD when shutdown.

Please give me details. Thanks

BYe

0 Andy Liu (BMS) over 7 years ago

Let me check and get back to you.

0 minkyo seo over 7 years ago in reply to Andy Liu (BMS)

Expert 1230 points

Hi

Is there some information?

Thanks

0 minkyo seo over 7 years ago in reply to Andy Liu (BMS)

Expert 1230 points

Is there some information?

Thanks

0 Andy Liu (BMS) over 7 years ago in reply to minkyo seo

I ran out of TPA3128D2EVMs last week and am now waiting for some new boards to arrive. Will proivde my feedback as soon as possible.

0 Andy Liu (BMS) over 7 years ago in reply to minkyo seo

The GVDD voltage can drop to around 5.2V when the /SDZ pin is pulled low. However, there is NO further way to make it even lower.

Andy

0 minkyo seo over 7 years ago in reply to Andy Liu (BMS)

Expert 1230 points

Thank you for the answer

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