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USB mobile charger using TPS2540A

Other Parts Discussed in Thread: TPS2540A, TPS2541A

Hi,

 

I am using TPS2540A in auto detect mode and it work fine in all mobiles except Nokia smart phones (C7, X7, N series).

it not detect and not charging but some Nokia mobiles detect and charging (C5).

But some time the C7 detect and charged after C5 (with out switch off the power).

Can you suggest me the solution.