便携式设备电源管理研究现状与进展  

Research status and progress of power management in portable equipment

作　　者：郭卓奇 耿莉[1] GUO Zhuoqi;GENG Li(School of Microelectronics,Xi’an Jiaotong University,Xi’an 710049,China)

机构地区：[1]西安交通大学微电子学院,陕西西安710049

出　　处：《微电子学与计算机》2022年第1期7-16,共10页Microelectronics & Computer

基　　金：国家自然科学基金项目(61771384);西安市重点科技创新平台项目(20KYPT0001-11-1);陕西省重点产业链基金(2019GXYD11.5)。

摘　　要：分析、总结了以低压差线性稳压器和开关电源为基础模块的便携式设备用电源管理芯片的发展现状.围绕高效率、高功率密度、快速瞬态特性以及高电源抑制等需求,从环路控制、电源抑制比增强、动态提升模块以及全集成等角度分析了便携式设备电源管理系统的拓扑架构及优化设计方法.在新架构方面,首先,分别讨论了混合架构低压差线性稳压器和混合架构开关电源的研究进展以及新型混合架构的发展趋势.其次,针对电源管理系统的全集成和协同设计,分析了一种堆叠式电压域电源管理架构,为系统级电源管理的设计提供了新的方向,为多输出结构的交叉调整和动态特性提升提供了新的思路和方法.最后,讨论了Chiplet技术在电源管理系统中的应用,从电源系统结构和无源元件的集成等方向分析了前沿研究进展以及未来趋势.便携式设备的电源管理已经发展为系统级的解决方案,新的应用需求、新架构以及新的集成技术将激发出更多的挑战和设计亮点.The development of portable equipment power management chip,which is based on low dropout regulator(LDO)and switching DC-DC converter,is analyzed and summarized.Focusing on the requirements of high efficiency,high power density,fast transient characteristics and high power supply rejection,the topology and optimization design methods of the power management systems for portable equipment are analyzed from the perspectives of loop control,power supply rejection ratio enhancement,dynamic lifting module and full integration.In terms of the new architecture,firstly,the research progress of hybrid LDO and hybrid architecture switching power supply and the development trend of new hybrid architecture are discussed respectively.Secondly,for the full integration and cooperative design of power management system,the stacked voltage domain power management architecture is analyzed,which provides a new field for the design of system-level power management and a new idea and method for the cross regulation and dynamic characteristic improvement of multi-output structure.Finally,the application of Chiplet technology in the power management system is discussed,and the frontier research progress and future trend are analyzed from the aspects of power system structure and passive component integration.The power management in portable equipment has developed into a system-level solution.New application requirements,new architectures and new integration technologies will stimulate more challenges and design highlights.

关 键 词：电源管理 低压差线性稳压器 开关电源 高效率 混合架构 

分 类 号：TN43[电子电信—微电子学与固体电子学]