卫星有效载荷开关电源单粒子瞬态效应的防护研究  

Research on Single Event Transient Effect Protection of Switching Power Supply for Satellite Payload

作　　者：阳晓彬 罗聃 马奎安 朱海 刘永峰 YANG Xiaobin;LUO Dan;MA Kuian;ZHU Hai;LIU Yongfeng(Xi’an Institute of Space Electronic Information Technology,Xi’an 710100,China)

机构地区：[1]西安空间电子信息技术研究院,陕西西安710100

出　　处：《原子能科学技术》2021年第12期2201-2208,共8页Atomic Energy Science and Technology

摘　　要：本文分析了脉宽调制器(PWM)中单粒子瞬态效应的产生过程、传播机制以及对开关电源的影响,结合卫星有效载荷专用电源的技术特点,提出了一种有效的防护策略。脉冲激光及重离子试验方法均验证了机理分析的正确性和改进措施的有效性。为扫除这类器件在太空应用的重要隐患提供了新的思路。The generation process,propagation mechanism and the impact on the switching power supply of the single event transient effect in the PWM(pulse width modulator)are analyzed in this paper.Combined with the technical characteristics of the satellite payload’s dedicated power supply,an effective protection strategy is proposed.The correctness of the mechanism analysis and the effectiveness of the improvement measures is verified by the pulsed laser and heavy ion test methods.It provides new ideas for eliminating the major hidden dangers of such devices in space applications.

关 键 词：卫星有效载荷 开关电源 单粒子瞬态效应 脉宽调制器 防护策略 

分 类 号：TN787[电子电信—电路与系统]