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Executive Interview with Alex Lidow on Winning GaN Applications

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Ahead of December’s Power Conference in Munich, Bodo Arlt took the opportunity to get an insight into Alex Lidow’s thoughts on where the GaN market is now and where he sees the potential applications for the future. Dr. Lidow is the CEO and Co-founder of Efficient Power Conversion (EPC).

Bodo’s Power Systems
November, 2019
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Power Semi Wars Begin

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GaN and SiC are becoming much more attractive as prices drop. Several vendors are rolling out the next wave of power semiconductors based on gallium nitride (GaN) and silicon carbide (SiC), setting the stage for a showdown against traditional silicon-based devices in the market.

Semiconductor Engineering
October, 2019

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Powering Graphics Processors from a 48 V Bus

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Introduction

Artificial Intelligence (AI), gaming, cloud computing, and autonomous cars are all using the latest generation graphics processors (GPUs) in lieu of CPUs. The reasoning is that GPUs offer higher computational density than traditional CPUs as measured in terms of acquisition cost, size, and power requirements [Jensen Huang Keynotes NVIDIA’s 2018 GPU Technology Conference].

The implications for power architecture seem clear; 48 V will be the dominant voltage on the board with the GPU, and the final voltage will need to be somewhere around 1 V or less. Power levels are already around 1.5 kW and could soon go to as high as 3 kW per GPU. What is less clear is what will be the architecture for getting from 48 V to 1 V at these power levels. Continue Reading

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Trade War Has Damaged U.S. Chip Industry in Ways a Deal May Never Fix

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SAN FRANCISCO — Alex Lidow has sold semiconductors in China for decades, starting at a company, called International Rectifier, that his father and grandfather founded in the Los Angeles area in 1947.

Now Mr. Lidow runs Efficient Power Conversion, which makes chips that manage electrical power in cars and other products. Efficient Power has a strong foothold in China, but has lately run into resistance from customers there that he traces to moves in Washington.

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Alex Lidow on Bloomberg TV

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Interview with Cory Johnson of Bloomberg TV discussing GaN.

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