浅谈电控单元过压保护及瞬态电压抑制技术  

Brief Talk on Technology of Overvoltage and Transient Voltage Suppression in Electrical Control Unit

作　　者：赵光亮 杨英振 刘栋 李树旺 郑海波 刘嘉昌 Zhao Guang-liang;Yang Ying-zhen;Liu Dong;Li Shu-wang;Zheng Hai-bo;Liu Jia-chang(State Key Laboratory of Engine Reliability,Weifang 261061,China;Weichai Power Co.Ltd.,Weifang 261061,China)

机构地区：[1]内燃机可靠性国家重点实验室,山东潍坊261061 [2]潍柴动力股份有限公司,山东潍坊261061

出　　处：《内燃机与配件》2022年第23期112-114,共3页Internal Combustion Engine & Parts

摘　　要：浪涌冲击是汽车电子控制单元设计中经常面临的问题之一,它通常会造成电子产品的损坏,汽车电子控制系统需要过电压、电源正负极反接和瞬态电压等保护电路,本论文主要对汽车电控单元过压保护及瞬态电压抑制电路的技术方案进行了研究,分析了各种电路设计方案的优点及其缺点,并对有源保护器件的电路方案进行了分析,上述内容对提高汽车电子控制系统的可靠性,具有一定的设计参考意义。Electronic surge strike is one of the problems faced in electrical control unit design,which may cause damage to electronic product,protection circuits,overvoltage,reverse connection,and transient voltage,etc.is needed in automotive electronics system,based on this,research on scheme of overvoltage protection and transient voltage protection methods are done in this paper,also advantages and shortcomings of above methods are analyzed,at time,active protection device is introduced,which has great help to reliability and hardware design of automotive electronics systems.

关 键 词：浪涌保护 过压保护 瞬态电压抑制 

分 类 号：U463.9[机械工程—车辆工程]