高功耗嵌入式单板计算机的电源设计与实现  

Design and implementation of power supply for embedded single board computer with high consumption

作　　者：刘宝明[1] 苏培培[1] 

机构地区：[1]中国船舶重工集团公司江苏自动研究所,江苏连云港222006

出　　处：《计算机工程与设计》2012年第3期941-945,956,共6页Computer Engineering and Design

基　　金：国家自然科学基金项目(60773171);国家863高技术研究发展计划基金项目(2007AA01Z448)

摘　　要：为了满足基于高性能双核MPC8641D处理器的高功耗嵌入式单板计算机的电源设计,分析了处理器的供电要求和单板计算机的整体电路功能,开展了基于多种电源转换芯片的供电设计,解决了高功耗嵌入式单板计算机的供电问题。通过设计基于可编程逻辑器件CPLD的上电时序控制器,实现了多种电源之间的加电时序控制以及复位管理。单板计算机的实际应用结果表明该电源设计稳定可靠、灵活通用。In order to satisfy the power supply of embedded single board computer based on high-powered dual cores processor MPC8641D, the feature of the MPC8641D and function of computer are analyzed, the circuits of power supply based on various DC-DC chips is designed, and by design the controller of power on sequence based on CPLD, the sequence control of all kinds of power supply and the management of reset are implemented. The practice indicated the stability and flexibility of the design.

关 键 词：高功耗 嵌入式单板计算机 MPC8641D 电源设计 上电控制 

分 类 号：TP334.4[自动化与计算机技术—计算机系统结构]