Wide-Bandgap Semis

July 2019

Transphorm's $18.5M Contract to Produce RF GaN Epi for Navy

GOLETA, Calif.— Transphorm Inc. announced that the U.S. Department of Defense (DoD) Office of Naval Research (ONR) has exercised a three-year $15.9 million option on an existing $2.6 million base contract with the company. This contract, N68335-19-C-0107, administered by Naval Air Warfare Center Aircraft Div

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Date:

07/31/2019

Gallium Nitride-Based AC-DC Converter ICs

San Jose, Calif. – Power Integrations announced new members of its InnoSwitch 3 families of offline CV/CC flyback switcher ICs. The new ICs feature up to 95% efficiency across the full load range and up to 100 W in enclosed adapter implementations without requiring a heatsink. This groundbreaking increase in performa

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Date:

07/25/2019

UnitedSiC adds 2 650V SiC FET Packages to UF3C FAST Series

Princeton, New Jersey: UnitedSiC has added two new TO220-3L package options to its growing range of hard-switching UF3C FAST series of 650V SiC FETs. The new products offer RDS(on) values of 30mohms (UF3C065030T3S) (https://unitedsic.com/datasheets/DS_UF3C065030T3S.pdf) and 80mohms (UF3C065080T3S) (https://unitedsic.com/datasheets/DS_UF3C065080T3S.pdf). The three-leaded, industry-standard

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Date:

07/24/2019

Electric Scooters Taking Off and Being Left Behind in France

Ally Winning, European Editor, PSD

Welcome to the combined July/August issue of PSD. I hope you all have a relaxing break planned for over the summer to set you up for the second half of the year. I’ve been too busy myself to even stop and think about getting away. I did manage a couple of days away in Lyon after a meeting in Grenoble during the

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Date:

07/23/2019

Click image to enlarge

Figure 1. SiC Schottky diodes and MOSFETs, like these pictured from Littelfuse, lower power switching losses compared to Si devices.

Powering the Future of Electric Vehicles

Carlos Castro, Global Director Automotive Power Control, Semiconductor Business Unit, Littelfuse

Electric vehicles are poised for meteoric growth, rising from an estimated 6 million vehicles in 2019 to 16 million vehicles in 2023. New technologies are enabling this dramatic change, including more efficient power conversion and higher power density. New circuit protection strategies are also required to pr

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Date:

07/22/2019

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Figure 1 – Main components of an electric powertrain

SiC Revolutionizes the Powertrain

Aly Mashaly, Rohm Semiconductor

As the automotive industry moves towards zero-emissions transportation, auto manufacturers are swiftly ramping up their electrification programmes. Most OEMs plan to be ready to supply large volumes of battery electric vehicles (BEVs) as well as hybrid electric vehicles (HEVs) worldwide by 2025. To meet buye

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Date:

07/22/2019

Avi Kashyap with Microchip.

PSDcast - Qualifying SiC Devices to Stringent Standards

In this episode of the PSDcast, we're talking to Avi Kashyap with Microchip about one of the biggest challenges for silicon carbide vendors - qualifying their SiC devices to stringent industrial, automotive, and harsh environment standards, one example being AEC- Q101, a stress test qualification for automotive-grade dis

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Date:

07/11/2019

Results of cathodoluminescence analysis applied to Mg ion-implanted GaN (left) and three-dimensional distribution of Mg atoms introduced into GaN as visualized by atom probe tomography (right).

Nanoscale Visualization of Optical Behavior of Dopant in GaN

National Institute for Materials Science, Japan

In Gallium Nitride (GaN) implanted with a small amount of magnesium (Mg), NIMS succeeded for the first time in visualizing the distribution and optical behavior of the implanted Mg at the nanoscale which may help in improving electrical performance of GaN based devices. Some of the mechanisms by which introduced Mg

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Date:

07/09/2019

Anup Bhalla, Vice President Engineering, UnitedSiC

Are you SiC of Silicon? – Part 4

By: Anup Bhalla, Vice President Engineering, UnitedSiC

How to Build Better EV Traction Inverters with SiC In this article, we examine the benefits of applying SiC technology to EV traction inverters. We show how the efficiency of the inverter is boosted under all loading conditions, from light to full load. Using higher operating voltages with efficient 1200V SiC

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Date:

07/08/2019