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A novel self-powered, isolated power management device for 48 V power systems

机译:用于48 V电源系统的新型自供电,隔离式电源管理设备

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This paper describes a new approach to the design of an integrated power management device for 48 V distributed power systems. For best performance, the power management device must be independent of the DC-DC converters that it is managing. This presents a number of design challenges, particularly where isolation is required between primary (48 V) and secondary (logic voltages). The solution described here is self-powered from 48 V, and provides all necessary power management functions such as startup, shutdown, fault handling, etc. The final device is implemented in a BGA package and maintains full primary-secondary isolation without the need for optocouplers.
机译:本文介绍了一种用于48 V分布式电源系统的集成电源管理设备设计的新方法。为了获得最佳性能,电源管理设备必须独立于其管理的DC-DC转换器。这带来了许多设计挑战,尤其是在初级(48 V)与次级(逻辑电压)之间需要隔离的情况下。此处描述的解决方案采用48 V自供电,并提供所有必要的电源管理功能,例如启动,关闭,故障处理等。最终器件采用BGA封装实现,并保持完整的一次-二次隔离,而无需光耦合器。

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