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Recent content by Eng.Adham

  1. E

    3 cells LiPo Battery charging

    yes you must use protection circuit to protect battery from bad using in charge and discharge, and to save the life battery.
  2. E

    [SOLVED] Flyback with optical coupler vs without one

    Flyback with optical coupler vs without one , this depend on 3 conditions: 1) output power 2) purpose 3) cost if your application is (low output power , charger , low cost ) is better to use flyback without optical coupler (PSR) , otherwise you must use one with.
  3. E

    convert 5 v dc to 15 to 20 v dc

    u must use boost circuit with external Mosfet (like LM3478 + 35N04)

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