航天电子设备二次电源输入保护电路设计

针对航天电子设备在特殊工作环境下的电源电路设计要求的特殊性,分析了其供电环境和电源变换器的工作原理,提出了采用集成DC/DC变换器时外围保护电路设计的一般原则,结合工程实践给出了常用星载电子设备和火箭(导弹)载电子设备电源保护电路方案,并对保护电路设计参数提出控制指标的建议.

Design of Secondary Power Input Protection Circuit for Aerospace Electronics Equipment

According to the particularity of the power circuit design requirement for space electronics equipment working under special condition, this paper analyses its power supply environment and the operation principle of power source converter, provides the general design principle of the periphery protection circuit when t he integrated DC/DC converter is used, proposes the commonly used power source p rotection circuit scheme for space borne and rocket/missile-borne electronics e quipment, and gives suggestion of control indexes for the protection circuit des ign parameters.