Low-power lossless current sensing in DC/DC converter

被引：0
|
作者：
Liu, Bu-Min [1 ]
Cai, Wei [2 ]
Lu, Tie-Jun [2 ]
Wang, Zong-Min [2 ]
机构：
[1] School of Microelectronics and Solid-State Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China
[2] Beijing Microelectronics Technology Institute, Beijing 100076, China
来源：
Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China | 2008年 / 37卷 / 03期
关键词：
Electric inverters;
D O I：
暂无
中图分类号：
TN6 [电子元件、组件];
学科分类号：
080903 ;
摘要：
By analyzing the architecture of current mode DC-DC converter, a novel lossless low-power current-sensing technique for minimizing the static power of DC-DC converter is proposed in the paper. It adopts a lossless current-sensing method and an improved low power current amplifier. The proposed technique can reduce the power of current-sensing circuit and result in the static power optimization of current mode DC-DC converter. Simulation results show that static power of the current mode buck converter based on the proposed technique is 61.22 mW, which is only 57.5% compared to the converter with the typical circuit.
引用
收藏
页码：393 / 396
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