基于同步整流Buck变换器的高精度数控电源设计  

Design of High Precision Digital Control Power Supply Based on Synchronous Rectification Buck Converter

作　　者：许涛 李建兵[1] 梁芳 董雪雨 罗志豪 XU Tao;LI Jianbing;LIANG Fang;DONG Xueyu;LUO Zhihao(Information Engineering University,Zhengzhou 450001,China;Xindu Experimental Middle School Affiliated to Shanghai Qibao Middle School,Shanghai 200233,China)

机构地区：[1]信息工程大学,河南郑州450001 [2]上海市七宝中学附属鑫都实验中学,上海200233

出　　处：《信息工程大学学报》2022年第5期546-549,555,共5页Journal of Information Engineering University

基　　金：国家“核高基”重大专项资助项目(2017ZX01004-101-009A)。

摘　　要：设计一款基于同步整流Buck变换器的高精度数控电源,通过引入单电源差分采样、滤波电容快速放电电路以及改进型PID算法,该方案能够在一定程度上提高数控电源的输出精度和动态响应。通过对该方案的理论分析和实验验证,证明使用该方案的数控电源各项指标均有显著提高,对数控电源的研究具有积极意义。This paper designs a high-precision digital control power supply based on synchronous rectification Buck converter. With the introduction of single power supply differential sampling, fast discharge circuit of filter capacitor and improved PID algorithm, the solution can improve the output accuracy and dynamic response of the digital control power supply to a certain extent. The theoretical analysis and experimental verification show that the various indexes of the digital control power supply using this scheme have been significantly improved, which is of positive significance for the research of digital control power supply.

关 键 词：数控电源 同步整流 BUCK变换器 电容快速放电 差分采样 

分 类 号：TN911.7[电子电信—通信与信息系统]