Adaptive current source driver for high-frequency boost converter

Volha Subotskaya, E. Bodano, Bernd Deutschmann

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review


The elimination of electromagnetic emissions (EME) in switch mode power supplies (SMPS) has high importance especially in automotive applications. External filters, spread spectrum techniques and the output driver circuits are the main methods to influence the switching behaviour of SMPS. This paper presents the concept of an output driver with adaptive current source control for high frequency SMPS and its study regarding electromagnetic compatibility (EMC) performance. The advantage of proposed circuit in comparison to the previous solutions is adjusted driver gate current based on the information of the gate voltage slope without involving the complex digital control scheme which requires to sense and to digitize the information of the switching current, switching node voltage and gate voltage. Moreover, this concept allows to control the programmed driver switching time independently from external parameters (load current, input voltage, ambient temperature). To verify the advantages of the proposed concept, the boost converter with the digital controller, 8V output voltage, 500-kHz switching frequency has been used.

Original languageEnglish
Title of host publicationProceedings of the 2017 11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMCCompo 2017
PublisherInstitute of Electrical and Electronics Engineers
Number of pages6
ISBN (Electronic)9781538626894
Publication statusPublished - 31 Jul 2017
Event11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits: EMC Compo 2017 - St. Petersburg, Russian Federation
Duration: 4 Jul 20178 Jul 2017
Conference number: 11


Conference11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits
Abbreviated titleEMC Compo 2017
Country/TerritoryRussian Federation
CitySt. Petersburg

ASJC Scopus subject areas

  • Engineering(all)

Fields of Expertise

  • Information, Communication & Computing

Treatment code (Nähere Zuordnung)

  • Basic - Fundamental (Grundlagenforschung)

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