Design of High Efficiency Integrated Voltage Regulators with Embedded Magnetic Core Inductors

被引：34
|
作者：
Mueller, S. [1 ]
Ahmed, K. Z. [1 ]
Singh, A. [1 ]
Davis, A. K. [1 ]
Mukhopadyay, S. [1 ]
Swaminathan, M. [1 ]
Mano, Y. [2 ]
Wang, Y. [3 ]
Wong, J. [3 ]
Bharathi, S. [3 ]
Moghadam, H. Fathi [4 ]
Draper, D. [4 ]
机构：
[1] Georgia Inst Technol, Ctr Codesign Chip, Package, Syst C3PS, Atlanta, GA 30332 USA
[2] IBIDEN, Ogaki, Gifu, Japan
[3] Xilinx, San Jose, CA USA
[4] Oracle, Redwood Shores, CA USA
来源：
2016 IEEE 66TH ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE (ECTC) | 2016年
关键词：
integrated voltage regulator; buck converter; system-in-package; embedded passives; magnetic core inductor;
D O I：
10.1109/ECTC.2016.325
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Integrated voltage regulators (IVRs) are one of the main trends in power delivery networks (PDNs) for electronic systems. A major challenge in the IVR design is to achieve sufficient integration / minimization of the required passive components of the IVR while still maintaining high power efficiency. This paper demonstrates that a buck converter type IVR designed with package embedded magnetic core inductors can achieve a very high efficiency with a substantially reduced area requirement compared to "air core" inductors. For the final design, an analytical evaluation shows 91% power efficiency for a 1.7V:1.05V conversion. Moreover, a stacked topology of the power stage allows a direct 5V:1V conversion at 79.4% efficiency eliminating the need for a separate off-package voltage regulator.
引用
收藏
页码：566 / 573
页数：8
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