skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Quantifying Dynamic On-State Resistance of GaN HEMTs for Power Converter Design via a Survey of Low and High Voltage Devices

Journal Article · · IEEE Journal of Emerging and Selected Topics in Power Electronics
ORCiD logo [1];  [2]; ORCiD logo [3]
  1. Univ. of Illinois at Urbana-Champaign, IL (United States)
  2. Univ. of Illinois at Urbana-Champaign, IL (United States); SCiBreak AB, Jarfalla (Sweden)
  3. Univ. of Illinois at Urbana-Champaign, IL (United States); Univ. of California, Berkeley, CA (United States)

Designing and optimizing high switching frequency, ultra-efficient converters requires detailed knowledge of the behavior and parasitic parameters for both active and passive components. Recently, wide bandgap transistors have enabled simultaneous increases in both switching frequency and efficiency due to higher maximum operating junction temperature limits, lower dc on-state resistances, and reduced parasitic inductances and capacitances. Yet, the early acceptance of gallium-nitride (GaN) switches was plagued by detrimental dynamic on-state resistance effects. This complex phenomenon for GaN devices is characterized by deviations in on-state resistance from dc operating characteristics based on design choices such as the magnitude and duration of both voltage and current stress, switching mode, and junction temperature. While device manufacturers have made improvements compared to early generation devices, experimental evidence from a survey of commercial GaN transistors highlight measurable change in on-state resistance still exists due to variations in voltage stress during hard-switching operation. After sharing insights for obtaining low noise measurements, an analysis method along with two metrics are proposed to characterize dynamic on-state resistance measurements for power electronics designers. Furthermore, quantifying the performance of GaN devices with standardized metrics facilitates a fair comparison between different GaN device technologies during converter development, enables manufacturing qualification for GaN switches, and provides a benchmark to catalyze improvement for the next generation of GaN device development.

Research Organization:
Power Integration Technology, LLC, Alameda, CA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; National Science Foundation (NSF); National Aeronautics and Space Administration (NASA)
Grant/Contract Number:
EE0008138; DGE-1144245; EEC-1449548; NASA-NNX14AL79A
OSTI ID:
1870981
Journal Information:
IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 9, Issue 4; ISSN 2168-6777
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

References (45)

Trapping effects in GaN and SiC microwave FETs journal June 2002
Low‐frequency noise in AlGaN/GaN HEMT structures with AlN thin film layer journal June 2006
On-State Voltage Measurement of Fast Switching Power Semiconductors journal June 2018
Suppression of Dynamic On-Resistance Increase and Gate Charge Measurements in High-Voltage GaN-HEMTs With Optimized Field-Plate Structure journal August 2007
Current-collapse-free operations up to 850 V by GaN-GIT utilizing hole injection from drain conference May 2015
Describing the uncertainties in experimental results journal January 1988
1200-V Normally Off GaN-on-Si Field-Effect Transistors With Low Dynamic on -Resistance journal May 2011
Developing a standardized method for measuring and quantifying dynamic on-state resistance via a survey of low voltage GaN HEMTs conference March 2018
Dynamic on-State Resistance Test and Evaluation of GaN Power Devices Under Hard- and Soft-Switching Conditions by Double and Multiple Pulses journal February 2019
Product-level reliability of GaN devices conference April 2016
Extraction of Dynamic On-Resistance in GaN Transistors: Under Soft- and Hard-Switching Conditions conference October 2011
Trapping induced parasitic effects in GaN-HEMT for power switching applications conference June 2015
Design and control of a GaN-based, 13-level, flying capacitor multilevel inverter conference June 2016
Investigation of the Dynamic On-State Resistance of 600 V Normally-Off and Normally-On GaN HEMTs journal November 2016
Through recessed and regrowth gate technology for realizing process stability of GaN-GITs conference June 2016
The ideal switch is not enough conference June 2016
GaN HEMT modeling for power and RF applications using ASM-HEMT conference December 2016
Buffer Design to Minimize Current Collapse in GaN/AlGaN HFETs journal December 2012
Total suppression of dynamic-ron in AlGaN/GaN-HEMTs through proton irradiation conference December 2017
Very High Frequency PWM Buck Converters Using Monolithic GaN Half-Bridge Power Stages With Integrated Gate Drivers journal November 2016
Characterisation and Modeling of Gallium Nitride Power Semiconductor Devices Dynamic On-State Resistance journal June 2018
Measuring Dynamic On Resistance in GaN Transistors at MHz Frequencies conference June 2018
ZVS of Power MOSFETs Revisited journal January 2016
(Invited) Driving eGaN FETs in High Performance Power Conversion Systems journal October 2011
Design of a GaN-based, 9-level flying capacitor multilevel inverter with low inductance layout conference March 2017
C OSS Losses in 600 V GaN Power Semiconductors in Soft-Switched, High- and Very-High-Frequency Power Converters journal December 2018
Modeling of source/drain access resistances and their temperature dependence in GaN HEMTs conference August 2016
Design, Operation, and Loss Characterization of a 1-kW GaN-Based Three-Level Converter at Cryogenic Temperatures journal November 2020
The impact of surface states on the DC and RF characteristics of AlGaN/GaN HFETs journal March 2001
Techniques towards GaN power transistors with improved high voltage dynamic switching properties conference December 2013
High-Frequency PWM Buck Converters Using GaN-on-SiC HEMTs journal May 2014
Power-dense multilevel inverter module using interleaved GaN-based phases for electric aircraft propulsion conference March 2018
A 2-kW Single-Phase Seven-Level Flying Capacitor Multilevel Inverter With an Active Energy Buffer journal November 2017
Online Vce measurement method for wear-out monitoring of high power IGBT modules conference September 2013
Over 10 a operation with switching characteristics of 1.2 kV-class vertical GaN trench MOSFETs on a bulk GaN substrate conference June 2016
Vertical power diodes in bulk GaN conference June 2014
GaN-HEMT dynamic ON-state resistance characterisation and modelling conference June 2016
“Leaky Dielectric” Model for the Suppression of Dynamic $R_{\mathrm{ON}}$ in Carbon-Doped AlGaN/GaN HEMTs journal July 2017
Methodology for the Study of Dynamic ON-Resistance in High-Voltage GaN Field-Effect Transistors journal October 2013
Design of a GaN-Based Interleaved Nine-Level Flying Capacitor Multilevel Inverter for Electric Aircraft Applications journal November 2020
Evidence for temperature-dependent buffer-induced trapping in GaN-on-silicon power transistors conference April 2015
A Fast Voltage Clamp Circuit for the Accurate Measurement of the Dynamic ON-Resistance of Power Transistors journal February 2015
A Current-Transient Methodology for Trap Analysis for GaN High Electron Mobility Transistors journal January 2011
Trapping in GaN-based metal-insulator-semiconductor transistors: Role of high drain bias and hot electrons journal April 2014
Bias error reduction using ratios to baseline experiments - Heat transfer case study journal October 1993

Similar Records

Wide-Bandgap Semiconductors
Technical Report · Tue Nov 22 00:00:00 EST 2005 · OSTI ID:1870981

Characterization and Failure Analysis of 650-V Enhancement-Mode GaN HEMT for Cryogenically Cooled Power Electronics
Journal Article · Mon Oct 28 00:00:00 EDT 2019 · IEEE Journal of Emerging and Selected Topics in Power Electronics · OSTI ID:1870981

Design of Low-Inductance Switching Power Cell for GaN HEMT Based Inverter
Journal Article · Thu Mar 01 00:00:00 EST 2018 · IEEE Transactions on Industry Applications · OSTI ID:1870981