Design of a Current Sensing Circuit without Power Loss for DC-DC Converter

被引：0
|
作者：
Liu Shulin [1 ]
Qi Lili [1 ]
机构：
[1] Xian Univ Sci & Technol, Xian, Peoples R China
来源：
PROCEEDINGS OF THE 2015 INTERNATIONAL CONFERENCE ON MECHATRONICS, ELECTRONIC, INDUSTRIAL AND CONTROL ENGINEERING | 2015年 / 8卷
关键词：
DC-DC converter; current mode; over-current protection; conduction voltage drop; current sensing technology without power loss;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to decrease the additional power loss in DC-DC converter caused by current detection, a current sensing technique without power loss is proposed. Power MOSFET is being widely used in low and medium power DC-DC converters; it can be regarded as a resistor in the condition of turn-on. Thus, based on the analysis of traditional kinds of current detection technology, a novel current sensing technology is proposed, which senses the current by using the conduction voltage drop of the power devices in DC-DC converter, the accuracy of sensing current can be improved by adjusting the resistor connected in both ends of the transconductance amplifier, no additional current sensing circuit is needed, and the additional power loss can be avoided. The DC-DC converter operating at the frequency of 1MHz is simulated, and the simulation results verify the accuracy and feasibility of the designed circuit.
引用
收藏
页码：1013 / 1016
页数：4
相关论文
共 50 条
  • [31] Integrated DC-DC Converter Design
    Harjani, Ramesh
    2017 IEEE CUSTOM INTEGRATED CIRCUITS CONFERENCE (CICC), 2017,
  • [32] Loss Analysis and Optimized Design of DC-DC Converter for Battery Module
    Tsai, Meng-Yuan
    Liang, Tsorng-Juu
    Lin, Yu-Meng
    2017 IEEE 3RD INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE AND ECCE ASIA (IFEEC 2017-ECCE ASIA), 2017, : 692 - 697
  • [33] Inrush Current Control of High Power Density DC-DC Converter
    Okilly, Ahmed H.
    Kim, Namhun
    Baek, Jeihoon
    ENERGIES, 2020, 13 (17)
  • [34] Design of a low power, high performance BICMOS DC-DC current-limiting circuit
    Ma, Hongbo
    Feng, Quanyuan
    Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition), 2007, 35 (SUPPL. 1): : 49 - 53
  • [35] Design of Current Sensor in COT DC-DC Converter for IoT applications
    ul Ain, Qurat
    Khan, Danial
    Basim, Muhammad
    Lee, Kang Yoon
    2020 17TH INTERNATIONAL SOC DESIGN CONFERENCE (ISOCC 2020), 2020, : 107 - 108
  • [36] Design of a low input voltage startup circuit for the Boost DC-DC converter
    Chen F.-J.
    Lai X.-Q.
    Li Y.-S.
    Ye Q.
    Yuan B.
    Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University, 2010, 37 (03): : 476 - 480+506
  • [37] The design of a novel feed-forward control circuit for DC-DC converter
    Lai, XQ
    Wang, Y
    Yuan, B
    Wang, HY
    2005 6th International Conference on ASIC Proceedings, Books 1 and 2, 2005, : 576 - 579
  • [38] .An Integrated Design of the Solid-State Circuit Breaker and the DC-DC Converter
    Diao, Xiaoguang
    Zhu, Wenkun
    Song, Yuan
    Liu, Fei
    Xu, Mengyue
    Sun, Jianjun
    2020 THIRTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2020), 2020, : 3419 - 3423
  • [39] An Accurate Lossless Current Sensing Approach for a DC-DC Converter with Online Calibration
    Li, B. X.
    Low, K. S.
    Kang, B. Y.
    2014 IEEE PES ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (IEEE PES APPEEC), 2014,
  • [40] A Novel Reference Modification DC-DC Converter with Reactor Current Sensing Method
    Kurokawa, Fujio
    Yamanishi, Akihiro
    INTERNATIONAL CONFERENCE ON RENEWABLE ENERGY RESEARCH AND APPLICATIONS (ICRERA), 2012,
12345