热保护型熔断电阻器在手机充电器等开关电源中的应用  

Application of Thermal-link & Fusing Resistor in Switched-mode Power Supply such as Travel Adapter

作　　者：林绿波 许由生 

机构地区：[1]厦门赛尔特电子有限公司技术中心,厦门361101

出　　处：《日用电器》2018年第12期59-64,共6页ELECTRICAL APPLIANCES

摘　　要：本文介绍了电流保险丝、电流保险丝配套NTC、电流保险丝配套NTC和MOV、线绕熔断电阻器四种电路保护方案在手机充电器中做主电路过流过压保护的优缺点。介绍了热保护型熔断电阻器(Thermal-link&Fusing Resistor,简称TRXF)的结构与性能特点,并试验验证其在手机充电器中的半短路故障中的优异保护性能。最后简要介绍了热保护型熔断电阻器的应用前景和标准化需求。This paper introduces the advantage and disadvantage of four circuit protection solutions:current fuse,current fuse with NTC,current fuse with NTC and MOV,fusing resistor applied in travel adapter for over current protection and over voltage protection.It also introduces the structure and performance feature of Thermal-link&Fusing Resistor,verifying the benefit of Thermal-link&Fusing Resistor in protecting against small fault current in travel adapter by experiment.At last it introduces the application prospect and standardization requirement for Thermal-link&Fusing Resistor.

关 键 词：TRXF 手机充电器 开关电源 电路保护 

分 类 号：TM54[电气工程—电器]