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接地故障断路器 (GFCI) 控制器,低功耗
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RV4141A 是一款用于交流插座、接地故障电路断路器的低功耗控制器。此类器件检测危险的接地和接地到零线故障的电流路径。然后该断路器将断开线路的负载,避免发生有害或严重触电。RV4141A 内部包含了二极管整流器、分路稳压器、精度感应放大器、电流参比、时间延迟电路和 SCR 驱动器。两个感应变压器、SCR、电磁线圈、三个电阻和四个电容器完善了该基本断路器设计。简单的布局和最少组件数量可确保应用简便性和长期可靠性。其他 GFCI 控制器中没有的功能包括低偏移电压感应放大器,因此在感应变压器和感应放大器之间无需耦合电容器,还包括了一个内部整流器,因此不必使用高电压整流二极管。RV4141A 仅在线路电圧的正向半时段期间接受供电,但可以独立于与线路电压相关的相感应电流故障。SCR 的门极仅在线路电圧的正向半时段期间驱动。
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可靠性数据
Die Related Summary Data
Device: RV4141AMT
Equivalent to wafer fab process: 3
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等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
3
0
177026424
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Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)