NDLI: Nonlinear Current Control for Power Electronic Converters: IC Design Aspects and Implementation

Content Provider	IEEE Xplore Digital Library
Author	Nikolic, M. Enne, R. Goll, B. Zimmermann, H.
Copyright Year	1986
Abstract	This letter provides design guidelines and presents a fully integrated implementation of the recently proposed nonlinear average current control (NACC) algorithm for power factor correction and dc–dc converters. The control performance and dynamics of the current-mode controlled power electronic converter strongly depends on the accuracy of the applied current sensing method. Several current sensing methods have been proposed in the literature, including the senseFET method, which is suitable for on-chip current measurement. This letter presents a modification of the senseFET on-chip current sensing technique dedicated for an ultrahigh sensing ratio and suited for the current sensing processing, which gives current-type output what fits well with the NACC control method, thus further simplifying the converter design and reducing cost as well as noise sensitivity of the control circuitry. Hence, the need for a voltage-to-current and current-to-voltage transformation circuit is eliminated. Therefore, the proposed method of the current sensing is applicable to any boost-like converter, whose control system requires an extremely high sensing ratio to be achieved. Nevertheless, it is especially well suited to be combined with an NACC control circuitry irrespective of the required sensing ratio. Experimental results verify the proposed design done in 0.35-μm HV triple-well CMOS technology.
Sponsorship	IEEE Power Electronics Society
Starting Page	4910
Ending Page	4916
Page Count	7
File Size	1677622
File Format	PDF
ISSN	08858993
Volume Number	28
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Control systems Switching circuits MOSFETs Voltage control CMOS integrated circuits switched-mode power supplies (SMPS) AC–DC power conversion analogue integrated circuits CMOS analogue integrated circuits current control current measurement current-mode circuits dc–dc power conversion power integrated circuits power MOSFETs
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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