基于高性能單片機的功率直流開關電源的設計

摘要：本文基于高性能單片機設計了數字控制的功率直流開關電源。首先介紹了該電源的原理及整體設計方案，其次介紹了部分關鍵電路的硬件設計，采用軟件方式來實現功率直流電源的數字控制，給出了主程序及部分關鍵部分的程序流程圖。該電源具有輸出電壓連續可調、精度高、電路簡單、操作靈活等優點。 敘詞：開關電源；數字控制 Abstract：Based on the design of a number of high-performance MCU control of the power of DC switching power supply. First introduced the power of principle and the overall design scheme, introduced the Second Circuit key part of the hardware design, software methods used to achieve power direct current power of digital control, given the main program and some key part of the process flow chartThe continuous power supply with adjustable output voltage, high precision, simple circuit, the advantages of flexible operation. Keyword：Switching Power SupplyDigital Control