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Evaluation of measurement techniques for high speed GaN transistors

Evaluation of measurement techniques for high speed GaN transistors

The increase in switching speed offered by GaN transistors requires good measurement technology, as well as good techniques to capture important details of high-speed waveforms. This article focuses on how to leverage the measurement equipment for the user’s requirement and measurement techniques to accurately evaluate high performance GaN transistors. The article also evaluates high bandwidth differential probes for use with non-ground-referenced waveforms.

EDN Network
By Suvankar Biswas , David Reusch & Michael de Rooij
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Categories: Articles

Efficient Power Conversion (EPC) Expands Family of Plug and Play DrGaNPLUS Evaluation Boards – High Power Converters in a Small Footprint

Efficient Power Conversion (EPC) Expands Family of Plug and Play DrGaNPLUS Evaluation Boards – High Power Converters in a Small Footprint

DrGaNPLUS EPC9201 30 V, 40 A and EPC9203 80 V, 20 A evaluation boards demonstrate the extreme size reduction and efficiency enhancement for power conversion that can be achieved using high frequency switching eGaN power transistors.

EL SEGUNDO, Calif.— March 2015 — Providing an easy-to-use way for power systems designers to evaluate the exceptional performance of gallium nitride transistors and get their products into volume production quickly, Efficient Power Conversion Corporation (EPC) announces the expansion of its portfolio of DrGaNPLUS evaluation boards. These boards are proof-of-concept designs that integrate all necessary components of a half-bridge circuit into a single, extremely small PCB-based module that can be readily mounted to demonstrate the excellent performance of a GaN transistor power conversion solution.

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Categories: Press Releases

Efficient Power Conversion (EPC) Introduces Plug and Play 97% Efficient Half-Bridge Converter DrGaNPLUS Evaluation Board Featuring Gallium Nitride Transisto

DrGaNPLUS EPC9202 100 V, 10 A board demonstrates the extreme size reduction and efficiency enhancement for power conversion achieved using high frequency switching eGaN® power transistors

EL SEGUNDO, Calif.— May 2014 — Providing an easy-to-use way for power systems designers to evaluate the exceptional performance of gallium nitride transistors, Efficient Power Conversion Corporation (EPC) introduces DrGaNPLUS evaluation boards. These boards are proof-of-concept designs that integrate all necessary components of a half-bridge circuit into a single, extremely small PCB-based module that can be readily mounted to demonstrate the excellent performance of a GaN transistor power conversion solution.

The first DrGaNPLUS board, the EPC9202, a 100 V, 10 A half-bridge power converter is a “plug and play” evaluation board that designers can use to quickly and easily evaluate the high performance gained with gallium nitride power transistors.  As an example, this board reaches 97% peak efficiency with Vin = 48 V and VOUT = 12 V, a common power conversion for telecom applications.

The EPC9202 can be driven by a single PWM input and features two EPC2001 eGaN FETs, the Texas Instrument’s LM5113 driver, and high frequency input capacitors. This DrGaNPLUS board is small, only a little over 9 mm on a side, and can mount directly onto a printed circuit board. It has been designed with an optimal layout to minimize the debilitating effects of common source and high frequency power commutation loop inductances.

Features

Benefits

  • 97% peak efficiency (VIN =48 V to VOUT = 12 V
  • Increased power density
  • All necessary components and optimal layout techniques
  • Easy evaluation for faster time to market
  • Easy mount PC board with single PWM input
  • Plug-and-Play assembly
  • High frequency eGaN FETs
  • Lower system size and cost
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Categories: Press Releases
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