Gate Driver Chip-Set using Low Volt-Second Pulse Transformer for Galvanic Signal Isolation

Research output: Chapter in Book/Report/Conference proceedingsChapterpeer-review

Abstract

This paper presents the design of an isolated gate driver system using a low volt-second differential pulse scheme to enable the use of a thin-film magnetics-on-silicon coupled solenoid transformer. The transformer was designed for a CMOS compatible back-end-of-line (BEOL) process to ultimately enable monolithic integration with the gate driver. The transformer enables primary side or functional isolation of the gate driver with very low propagation delay and low CIO. The design of a prototype custom 130 nm CMOS gate-driver signal-coupling chipset around this transformer achieved operation with sub 10 V.ns gate driver signal pulses. The prototype system simulated a common-mode transient immunity (CMTI) to a switch-node slewing rate of 34 V/ns but simulations on an improved design achieved CMTI of 200 V/ ns. The gate driver system design presented is applicable for advanced heterogeneous integration of thin-film magnetically isolated gate driver chipsets for a variety of power switch technologies including DMOS, GaN, and SiC.

Original languageEnglish
Title of host publicationAPEC 2023 - 38th Annual IEEE Applied Power Electronics Conference and Exposition
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages294-300
Number of pages7
ISBN (Electronic)9781665475396
DOIs
Publication statusPublished - 2023
Event38th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2023 - Orlando, United States
Duration: 19 Mar 202323 Mar 2023

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
Volume2023-March

Conference

Conference38th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2023
Country/TerritoryUnited States
CityOrlando
Period19/03/2323/03/23

Keywords

  • 130-nm BiCMOS
  • BEOL
  • CMTI
  • functional isolation
  • GaN
  • Gate driver
  • magnetics-on-silicon
  • PSiP
  • PwrSoC
  • Solenoid
  • thin-film

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