Evaluation of Point of Load Converters for Space Computational Loads
Evaluation of Point of Load Converters for Space Computational Loads
复制标题
空间计算负载负载点转换器的评估
DOI：
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发表时间：
2020
期刊：
影响因子：
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通讯作者：
B. Grainger
中科院分区：
文献类型：
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作者：
Thomas B. Cook;Aidan Phillips;Christopher Siak;A. George;B. Grainger
近地轨道(LEO)空间实验正变得更加雄心勃勃，与用于为现代处理器提供动力的高功率和高效率商业解决方案相比，用于这些任务的电力电子系统正迅速过时。在这项工作中，比较了几种抗辐射(抗辐射)和商用现成(COTS)负载点(POL)转换器，重点是氮化镓(GaN)开关FET。这些转换器是根据向LEO环境中的计算负载供电时的电气和热性能进行设计和评估的。这项工作是在为基于1U FPGA的计算平台供电的背景下进行的，该平台混合了COTS和RAD-HARD组件，以及模块化的电源系统。
Space experiments in low earth orbit (LEO) are becoming more ambitious and the power electronic systems for these missions are quickly becoming outdated when compared to the power-dense and highly efficient commercial solutions used to power modern processors. In this work, a comparison is presented between several radiation-hardened (rad-hard) and commercial-off-the-shelf (COTS) point-of-load (PoL) converters with a focus on Gallium Nitride (GaN) switching FETS. The converters were designed and evaluated based on their electrical and thermal performance when supplying power to computational loads in a LEO environment. This work is presented in the context of supplying power to a 1U FPGA-based computing platform that features a mix of COTS and rad-hard components, and a modular power system.