Power reliability is the foundation for continuous power supply in power systems. With the rapid development of the economy and the continuous improvement of people's living standards, people's requirements for power reliability are getting higher and higher. At present, dual power supplies are used in many places, and dual power supplies are gradually being widely used in power systems. Here is a dual power supply circuit designed by a netizen. It is shared with everyone. You are welcome to ask questions and deficiencies.
Schematic diagram of dual power circuit design:
PCB diagram for dual power circuit design:
(Please download the attachment for details)
Guangzhou Bolei Electronic Technology Co., Ltd. , https://www.nzpal.com