A non-isolated asynchronous low power high voltage boost converter for discontinuous conduction mode and portable applications

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Conference object 01 Mar 2018Publisher:IEEEJournal:2018 IEEE Applied Power Electronics Conference and Exposition (APEC)Funded by:EC | ADMONT

Authors: Vanselow, Frank; Kinzel, Bernadette; Maurer, Linus; Isa, Erkan;

doi: 10.1109/apec.2018.8341283

A non-isolated asynchronous low power high voltage boost converter for discontinuous conduction mode and portable applications

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Abstract

This paper demonstrates the feasibility of a non-isolated single inductor asynchronous boost converter for driving piezoelectric actuators up to 100 V. The realized device is using a novel 700V bulk 0.35um CMOS XFAB technology. The control scheme for the boost converter, working in discontinuous conduction mode (DCM) only, is using a peak-current control scheme with adaptive off-time. For an input voltage range between 2.5V and 6V and output voltage up to 100V it achieves a peak-efficiency of 70% by using a die area of 22.9 mm2.

Related Organizations

Federal Ministry of Defence
Germany
Bundeswehr University Munich
Germany

Keywords

DCM, DCDC converter, High Voltage Boost Converter, Peak Current Control

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