| SiC器件在大功率LD驱动源模块中的应用 |
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| 引用本文： | 贺涛,杨爱武,郑毅,朱虹.SiC器件在大功率LD驱动源模块中的应用[J].激光与红外,2018,48(9):1156-1159. |
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| 作者姓名： | 贺涛 杨爱武 郑毅 朱虹 |
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| 作者单位： | 华北光电技术研究所,北京100015 |
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| 摘 要： | 介绍了SiC功率器件的应用优势并将其应用到了大功率LD驱动源模块中；对SiC MOSFET的开关参数及特性进行了分析,并设计了一种简单实用的SiC隔离驱动。本文应用SiC器件设计了一款120V/120A全SiC LD驱动源模块,功率模块主电路拓扑采用四路交错并联Buck电路,电路中的开关管和二极管全部使用SiC功率器件,功率模块最高效率达到98%。
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| 关 键 词： | 碳化硅器件 LD驱动源模块 交错并联Buck 碳化硅驱动电路 |
Application of SiC power device in high power LD driver |
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| HE Tao,YANG Ai-wu,ZHENG Yi,ZHU Hong.Application of SiC power device in high power LD driver[J].Laser & Infrared,2018,48(9):1156-1159. |
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| Authors: | HE Tao YANG Ai-wu ZHENG Yi ZHU Hong |
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| Affiliation: | North China Research Institute of Electro-Optics,Beijing 100015,China |
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| Abstract: | The advantages of SiC power device is introduced,and it is used for high power LD driver.The switch parameters and dynamic characteristics of the SiC MOSFET were analyzed,then a simple and practical isolated drive circuit was designed.A 120V/120A all-SiC LD driver power module was proposed,and its main circuit uses Four-way interleaving Buck circuits,the switching tube and the diodes in this circuit all use SiC devices.In addition,the maximum efficiency of the all-SiC module can reach up to 98% and it has a high reliability. |
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