DC-DC电源模块电特性参数测试误差影响因素的分析  

Analysis of Influencing Factors of DC-DC Power Supply Module Test Error

作　　者：潘宇 何立 Pan Yu;He Li(Wuxi Zhongweitengxin Electronics Co.,Ltd.,Jiangsu Wuxi 214035)

机构地区：[1]无锡中微腾芯电子有限公司,江苏无锡214035

出　　处：《电子质量》2021年第12期25-28,共4页Electronics Quality

摘　　要：该文分析了DC-DC电源模块电特性参数失效故障的影响因素,并结合故障树分析法,定位出故障是由于测试夹具接触问题所引起的。通过三款接触方式不同的测试夹具进行对比论证,进一步分析夹具的接触方式对电源模块测试的影响,并提出一种新型的测试夹具设计方案,能够有效缩减时间和硬件成本,大幅提升测试效率。In this paper,the influencing factors of electrical characteristics failure DC-DC power supply module are analyzed,and the fault tree analysis method is combined to locate the fault caused by the contact problem of test failure.Through the comparative demonstration of three test fixtures with different contact modes,the influence of fixture contact modes on power supply module testing is further analyzed,and a new design scheme of test fixture is proposed,which can effectively reduce the time and hardware cost and greatly improve the test efficiency.

关 键 词：DC-DC电源模块 负载调整率故障 新型的测试夹具 

分 类 号：TN86[电子电信—信息与通信工程] TM46[电气工程—电器]