NDLI: Powwer supply on chip (integration of inductors and capacitors with active semiconductors)

Content Provider	IEEE Xplore Digital Library
Author	Mathuna, C.O. Ningning Wang Kulkarni, S. Roy, S.
Copyright Year	2012
Description	Author affiliation: Microsystems Centre, Tyndall National Institute, University College, Cork, Ireland (Mathuna, C.O.; Ningning Wang; Kulkarni, S.; Roy, S.)
Abstract	The paper introduces the concept of power supply on chip (PwrSoC) which will enable the development of next generation, functionally integrated, power management platforms with applications in dc-dc conversion, gate drives, isolated power transmission and ultimately, high granularity, on-chip, power management for mixed-signal, SOC chips. PwrSoC will integrate power passives with the power management IC, in a 3D stacked or monolithic form factor, thereby delivering the performance of a high efficiency dc-dc converter within the footprint of a low efficiency linear regulator. A central element of the PwrSoC concept is the fabrication of power micro-magnetics on silicon to deliver micro-inductors and micro-transformers. The paper details the magnetics on silicon process which combines thin film magnetic core technology with electroplated copper conductors. Measured data for micro-inductors show inductance operation up to 20MHz, footprints down to $0.5mm^{2},$ efficiencies up to 93% and dc current carrying capability up to 600mA. Measurements on micro-transformers show voltage gain of approximately −1dB at between 10MHz and 30 MHz.
Starting Page	319
Ending Page	323
File Size	1193549
Page Count	5
File Format	PDF
ISBN	9781457715945
ISSN	19460201
e-ISBN	9781457715976
e-ISBN	9781457715969
DOI	10.1109/ISPSD.2012.6229087
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-03
Publisher Place	Belgium
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Silicon Inductance Semiconductor device measurement Magnetics Power supplies Copper power passives power supply on chip PrwSoC power management magnetics on silicon micro-inductors micro-transformers thin film magnetic cor functional integration
Content Type	Text
Resource Type	Article

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