Recent content by Avi122345

  1. Avi122345

    Question USB PD to external device ?

    Again, connecting an external P/S (USB or just a plug) is always an option. We prefer to get the power only from a laptop's USB3 port . my question, how can I do so TNX for your great support.
  2. Avi122345

    Question USB PD to external device ?

    Hi, there is an external P/S currently, but I prefer to remove it and use only USB to laptop connection (commercial preference). the Laptop battery capacity is non-issue. assume that the laptop is constantly connected to mains. the device consumes 1.2A @ 15Vdc. If I boost the 5V to 15V, still I...
  3. Avi122345

    Question USB PD to external device ?

    Thank you very much. I can design my device to be PD, however, as you wrote, I cant find a laptop which has a PD source (5 to 25V / 20W)... my device currently works on 15Vdc (it's a kind of a medical device). Re. the battery inside my device. currently there is no battery. assume it's an...
  4. Avi122345

    Question USB PD to external device ?

    TNX. so, how much current can I draw with two USB-A connections?
  5. Avi122345

    Question USB PD to external device ?

    I'm looking for a solution of powering an external USB device, which consumes about 20W directly from a laptop. In general, USB 3.2 port can source to external devices up to 15W (even PD). USB PD is a sink up to 100W (for charging the laptop itself). Someone has any idea how can I operate 20W...