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Forum Post: RE: TPS2540 – Can TPS2543 use only " USB charging port identification circuit "?

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Hi,Milo

 

Thank you for your prompt reply.

I’m sorry. The specifications of my customer were changed.

My customer fixes CDP mode.

There is not a mode change.

Is the discharege function unnecessary?

(Please confirm an attached file.)

 

Please let me ask one more question.

It is the following condition that power switch of TPS2540 is changed (OFF to ON).

Do other conditions exist?

 

• Any transition to and from CDP

• Any transition to and from SDP


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