Active Inductor Current Balancing for Interleaving Multi-Phase Buck-Boost Converter

S. Angkititrakul, H. Hu, Z. Liang
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引用次数: 20

Abstract

In this paper, active inductor current balancing method for multi-phase four-switch buck-boost converter is presented. The multi-phase four-switch buck-boost converter is proposed for battery powered applications, such as automotive/truck applications, where high power dc-dc converters capable of stepping up and stepping down voltages are required. Inductor current balancing circuit based on the average current sharing bus approach is used to ensure that the inductor currents are evenly distributed. A prototype of 4-phase buck-boost converter was implemented to verify the concept. Experimental results are included to show the inductor current balancing during steady state and load transient.
交错多相降压变换器有源电感电流平衡
本文提出了一种用于多相四开关降压升压变换器的有源电感电流平衡方法。多相四开关降压转换器是为电池供电的应用而提出的,例如汽车/卡车应用,其中需要能够升压和降压电压的高功率dc-dc转换器。采用基于平均共流总线的电感电流平衡电路,保证了电感电流的均匀分布。实现了一个4相降压-升压变换器的原型来验证这一概念。实验结果显示了电感在稳态和负载暂态时的电流平衡。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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