Search Results Found For: "gallium nitride"

Cree to supply SiC semiconductors to ZF for electric drives

Cree, a US maker of silicon carbide (SiC) semiconductors, has partnered with German parts supplier ZF Friedrichshafen to supply SiC semiconductors for electric drives. ZF will initially use Cree’s technology to fulfill pre-existing orders from several auto manufacturers for silicon carbide-based electric drives, but ZF hopes to make silicon carbide electric drivelines available to the… Read more »

Transphorm introduces second 900 V GaN FET for three-phase applications

Transphorm, a provider of Gallium Nitride (GaN) semiconductors, has introduced its second 900 V Field-Effect Transistor (FET), the Gen III TP90H050WS. Transphorm’s devices now enable three-phase industrial systems and higher voltage automotive electronics to use GaN. The FET has a typical on-resistance of 50 mOhm with a 1000 V transient rating, offered in a standard… Read more »

SiC vs GaN semiconductors for EV power converters: Tech Opinion

Just as engineers are starting to get used to the advantages (and quirks) of silicon carbide (SiC ) devices, another semiconductor material joins the fray: gallium nitride, or GaN. Though there are some superficial similarities between these two materials, and even some overlap in their areas of best use, it is my opinion that only… Read more »

Fraunhofer develops GaN power ICs with integrated sensors

Researchers from the Fraunhofer Institute have integrated current and temperature sensors, 600 V-class power transistors, freewheeling diodes, and gate drivers onto a gallium nitride (GaN)-based semiconductor chip. The new circuit measures 4 x 3 mm and enables high switching frequencies and a high power density, while providing fast and accurate condition monitoring, according to the… Read more »

VisIC publishes reference design for its GaN on-board charger

Israel-based VisIC Technologies, a manufacturer of gallium nitride (GaN) power semiconductor devices for the auto, data center and industrial markets, has published a reference design aimed at the EV industry for its on-board charger (OBC) that uses its GaN technology. The 6.7 kW OBC has a volume of 2.3 liters and weighs 4.5 kg, providing… Read more »

Transphorm’s latest GaN transistor passes automotive qualification

Semiconductor provider Transphorm has announced that its third-generation high-voltage gallium nitride (GaN) field-effect transistor (FET) has passed AEC-Q101 stress tests for automotive-grade discrete semiconductors. The transistor targets EV applications including on-board chargers, DC-DC converters, and DC-AC inverter systems. Transphorm’s new FET, the TP65H035WSQA, performed at 175° C during AEC-Q101 qualification testing, which the company says… Read more »

ROHM and GaN Systems collaborate to develop GaN semiconductors

Power semiconductor supplier ROHM and gallium nitride (GaN) power semiconductor specialist GaN Systems have partnered to develop new power electronics. Wordy? Yes. Interesting? It GaN be. The partnership will harness GaN’s expertise in power transistors along with ROHM’s established design and manufacturing capabilities in order to create new lines of compatible products. The new products will… Read more »

BMW i Ventures announces strategic investment in GaN Systems

BMW i Ventures has announced a strategic investment in semiconductor maker GaN Systems. GaN Systems focusses on power transistors based on Gallium nitride (GaN), a wide band gap semiconductor material that promises higher energy efficiency, smaller form factors and higher performance. “GaN Systems’ power transistors have created new possibilities for engineers to build the power… Read more »

Wolfspeed launches a new silicon carbide MOSFET for EV inverters

Wide Bandgap (WBG) semiconductor technologies have attracted a lot of attention and research funding in the past decade. Both public and private institutions around the world have been obsessed with accelerating the evolution of WBG tech into commercial power electronics applications. What’s all the fuss about? WBG materials such as silicon carbide (SiC) and gallium… Read more »