基于IR2110芯片加固型的驱动电路  

Drive Circuit Based on IR2110 Chip Reinforcement

作　　者：谢佳明 金建辉[1] 谢鹤龄 XIE Jiaming;JIN Jianhui;XIE Heling(School of Information Engineering and Automation,Kunming University of Science and Technology,Kunming 650504,China)

机构地区：[1]昆明理工大学信息工程与自动化学院

出　　处：《昆明冶金高等专科学校学报》2019年第5期83-87,共5页Journal of Kunming Metallurgy College

基　　金：云南省教育厅科学研究基金项目:超高频低延时功率管驱动电路关键技术研究(2019Y0035)

摘　　要：在功率管驱动芯片电路中,当驱动信号达到芯片工作频率上限或大负载情况亦或芯片受到强干扰时,常出现芯片工作状态不稳定甚至烧毁的现象。由此暴露出驱动芯片驱动电流较小、带负载能力较弱和抗干扰能力不强的问题。利用在驱动芯片输入端连接死区可调的7414反相器,在输出端连接功率推挽电路,并且在整个电源系统中采用两级π型滤波对电源进行加固,滤除由电源产生或通过其传播的干扰,增强电源完整性。基于此设计一种加固型的驱动电路,能有效提高驱动电流,提升负载能力和抗干扰能力。以中小功率驱动芯片IR2110为例具体阐述。In the power tube driver chip circuit,when the driving signal frequency reaches the upper limit of the chip’s working frequency or under the condition of large load or the chip is strongly interfered,the working state of the chip is often unstable or it may even burn out.Thus,the problems of low current,weak load capacity and weak anti-interference ability of the driver chip are exposed.The input end of the driver chip is connected to the 7414 inverter with adjustable dead zone,the power push-pull circuit is connected at the output end,and the two-level PI filter is used in the whole power system to reinforce the power supply,so as to filter out the interference generated by or transmitted by the power supply,and enhance the power integrity.The design of a reinforced drive circuit can effectively improve the drive current,and enhance the load capacity and anti-interference ability.This paper takes small and medium power driver chip IR2110 as an example.

关 键 词：IR2110芯片 功率管 7414反相器 功率推挽电路 电源加固 

分 类 号：G271[文化科学—档案学]