航空计算技术
航空計算技術
항공계산기술
AERONAUTICAL COMPUTER TECHNIQUE
2014年
4期
126-130
,共5页
动态电压调整%电压识别%电源管理总线%开关电源
動態電壓調整%電壓識彆%電源管理總線%開關電源
동태전압조정%전압식별%전원관리총선%개관전원
dynamic voltage adjusting%voltage identification%PMBus%PWM power supply
为将动态电压调整技术应用于设计中进行功耗优化,阐述了动态电源调整技术、电压识别技术、PMBus总线等基础知识,提出了一种动态电源供电系统的设计方案。采用UCD9222控制器和UCD7242驱动器的设计实例,介绍了动态电源供电系统的配置管理和实现方法,实现了对处理器内核供电电压的动态供电,具有通用性和易用性等优点,可以有效降低系统功耗,满足动态电源供电的设计需求。
為將動態電壓調整技術應用于設計中進行功耗優化,闡述瞭動態電源調整技術、電壓識彆技術、PMBus總線等基礎知識,提齣瞭一種動態電源供電繫統的設計方案。採用UCD9222控製器和UCD7242驅動器的設計實例,介紹瞭動態電源供電繫統的配置管理和實現方法,實現瞭對處理器內覈供電電壓的動態供電,具有通用性和易用性等優點,可以有效降低繫統功耗,滿足動態電源供電的設計需求。
위장동태전압조정기술응용우설계중진행공모우화,천술료동태전원조정기술、전압식별기술、PMBus총선등기출지식,제출료일충동태전원공전계통적설계방안。채용UCD9222공제기화UCD7242구동기적설계실례,개소료동태전원공전계통적배치관리화실현방법,실현료대처리기내핵공전전압적동태공전,구유통용성화역용성등우점,가이유효강저계통공모,만족동태전원공전적설계수구。
With the development of the high-performance embedded system , the dynamic voltage adjus-ting technology has been widely used to optimize power consumption .This paper introduces the basic knowledge of the dynamic voltage adjusting technology ,the voltage identification technology and the power management bus ,and proposes a design scheme of dynamic power supply system .Adopted UCD9222 con-troller and UCD7242 drives as a design example ,this paper detailed describes the configuration manage-ment ways and implement technology of the dynamic power supplying system .The design realizes dynamic power supply to the processor′s core,can effectively reduce the power consumption ,and meet the design requirement of the dynamic power supply .