一种用于智能电器的低成本小功率开关电源的研制

Design of a low cost low power switching power supply for intelligent electrical apparatus

本文设计了一种用于智能电器的小功率开关电源,阐述了该开关电源的方案选择和工作原理,以及电路设计、变压器设计和对EMC的设计思路。经试验,该电源达到了设计要求,成本低、体积小、电磁兼容性较好,具有较高的应用价值。

In this paper, a low power switching power supply is introduced for intelligent electrical apparatus. The article describes the architecture selection, working principle, circuit and transformer design and the design consideration of reliability. A board was designed based on that topology. Its cost and size is low. The results show that the power supply meets the design requirements, has good electromagnetic compatibility and high application value.