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TPS2511 design issue

Lucifer
Expert 2600 points
Other Parts Discussed in Thread: TPS2511, TPS2513A, TPS2513, TPS2561A

May I have  your help , I learned TPS2511 has some issue especially iPad first plug, if use short timer, the noise of first plug in iPad will trigger TPS2511 from correct Applied divider mode into wrong mode. is that true?

Customer tend to design a USB charger, which supports iPad(10W) & iPhone(5W) on their system. Do you have any suggestion?

which one is much better for customer's request? TPS2511/TPS2513/TPS2513A….Thanks.

  • 0
    TI__Intellectual 2795 points
    TPS251x already integrated some internal deglitch timer avoid noise affection.
    TPS2511 has power switch, but TPS2513 only is controller, need external power switch like TPS557 (single channle @ 22mohm) and TPS2561A (Dual channel @ 44mohm), both are ok for this application.
  • 0 in reply to Milo Zhu
    Expert 2600 points
    Dear Milo,
    TPS2511 already integrated internal deglitch timer avoid noise affection, so do you mean I can use TPS2511 for our specification iPad(10W) & iPhone(5W) ? Thanks for your kindly reply.