A GaN Driver IC With a TDC-Based Dead-Time Controller For GaN DC-DC Buck Converters
- Authors
- Lee, Yongseung; Kim, Donghun; Kim, Jongsun
- Issue Date
- 2023
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Buck Converter; DC-DC; GaN; Gate Driver
- Citation
- Proceedings - International SoC Design Conference 2023, ISOCC 2023, pp 33 - 34
- Pages
- 2
- Journal Title
- Proceedings - International SoC Design Conference 2023, ISOCC 2023
- Start Page
- 33
- End Page
- 34
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/32725
- DOI
- 10.1109/ISOCC59558.2023.10396085
- ISSN
- 0000-0000
- Abstract
- This paper presents a gallium nitride (GaN) driver IC with time-to-digital converter (TDC)-based dead-time optimization technique for GaN-based synchronous Buck converters. The proposed TDC-based dead time controller (TDTC) is used to optimize the dead time and minimize the reverse conduction loss of a GaN-based half-bridge DC-DC converter. Implemented in a 0.18-μ m5 -V BCD process, the GaN Driver with the proposed TDTC improves power efficiency of the 10MHz GaN-based synchronous Buck converter by approximately 2.4% (@2A) despite a large load current variation. © 2023 IEEE.
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