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cree

New 650-V SiC MOSFETs cut switching losses by 20%

March 31, 2020 By Aimee Kalnoskas

Cree announced the expansion of its product portfolio with the release of the Wolfspeed 650V silicon carbide MOSFETs, delivering a wider range of industrial applications and enabling the next generation of Electric Vehicle (EV) onboard charging, data centers, and other renewable systems with industry-leading power efficiency. The new 15 mΩ and 60 mΩ 650V devices, […]

Filed Under: Power Electronic Tips Tagged With: cree

Analog Top Talks in March 2019 on EDABoard.com

April 2, 2019 By Aimee Kalnoskas Leave a Comment

Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around analog ICs and analog design. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com. Contactless water level sensors – I’m making a water level controller project. So far what I’ve done: – […]

Filed Under: Analog IC Tips, Analog ICs, EE Forums, Featured Tagged With: cree, edaboardcom, nxpsemiconductors

Next-gen SiC diode targets renewable energy, EVs

January 17, 2019 By Aimee Kalnoskas Leave a Comment

Wolfspeed, A Cree Company, has introduced the 5th generation (C5D) 1700V SiC Schottky diode, which is optimized for renewable energy, industrial power and electric vehicle charging applications including solar power and wind turbine inverters, off-board chargers and uninterruptible power supply (UPS). The 1700V C5D is commercially available in both bare die and package formats, providing designers […]

Filed Under: Power Electronic Tips Tagged With: cree, wolfspeed

Don’t get burned about LED UV

January 3, 2019 By Lee Teschler 11 Comments

Another myth busted: You needn’t worry about ultraviolet light coming from ordinary LED bulbs. We recently checked a batch of LED bulbs for the amount of blue light they gave off. This effort came in response to claims from some in the alternative medicine crowd that LED bulbs gave off inordinate amounts of unhealthy blue […]

Filed Under: Featured, Power Electronic Tips Tagged With: cree, feit, osram, philips, sylvania

New 1.2-kV SiC Schottky diodes feature more creepage and clearance

February 22, 2018 By Aimee Kalnoskas Leave a Comment

Wolfspeed, a Cree Company, has expanded its C4D family of 1200V SiC Schottky diodes to introduce three new products in a TO-247-2 type package. The increased spacing between the two leads provides more than twice the creepage and clearance distance compared to standard TO-247-3 and TO-220-2 packages. “Improved creepage distance makes the C4D family expansion […]

Filed Under: Power Electronic Tips Tagged With: cree, wolfspeed

28-V GaN HEMTs operate to 8 GHz with high efficiency, gain

September 14, 2017 By Aimee Kalnoskas Leave a Comment

Wolfspeed, A Cree Company has introduced a new series of 28V GaN HEMT RF power devices. These new devices are capable of higher frequency operation to 8GHz with increased efficiency and higher gain as well as best-in-class reliability. RF design engineers are now able to build more efficient broadband power amplifiers for commercial and military wireless […]

Filed Under: Aerospace & Defense, Applications, Power Electronic Tips, Wireless Tagged With: cree, wolfspeed

GaN HEMT RF power devices handle 250 W, work up to 3 GHz

August 24, 2017 By Aimee Kalnoskas Leave a Comment

Wolfspeed, A Cree Company and a leading global supplier of GaN-on-SiC high electron mobility transistors (HEMTs) and monolithic microwave integrated circuits (MMICs) with best-in-class reliability, has extended its family of 50V unmatched GaN HEMT RF power devices by adding a 250W part with a frequency range up to 3.0GHz and the highest efficiency of any comparably-rated […]

Filed Under: Power Electronic Tips Tagged With: cree, wolfspeed

DOE awards $30 million to advance new class of high-performance power converters

August 23, 2017 By Aimee Kalnoskas Leave a Comment

The U.S. Department of Energy’s (DOE) Advanced Research Projects Agency-Energy (ARPA-E) today announced $30 million in funding for 21 innovative projects as part of the Creating Innovative and Reliable Circuits Using Inventive Topologies and Semiconductors (CIRCUITS) program. CIRCUITS project teams will accelerate the development and deployment of innovative electric power converters that save energy and give the United States a critical […]

Filed Under: Power Electronic Tips Tagged With: cree, eaton, infineontechnologies, wolfspeed

SiC MOSFET reference design details totem-pole PFC topology hitting 98% efficiency

August 12, 2017 By Aimee Kalnoskas Leave a Comment

Wolfspeed, a Cree Company, has advanced the development of high efficiency data center power supplies through the implementation of an innovative totem-pole PFC topology that employs its latest low-inductance SiC MOSFETs to exceed an 80+ Titanium rating, which is critical for reducing the overall power consumption for data centers, estimated to be more than 70 […]

Filed Under: Power Electronic Tips Tagged With: cree, wolfspeed

50-V GaN MMICs handle D-Day radar apps

May 24, 2017 By Aimee Kalnoskas

Wolfspeed, A Cree Company has introduced two new GaN MMICs, the first 50V GaN devices specifically designed for S-band radar (2.7–3.5GHz) applications. These new 50V GaN MMICs enable radar systems designers to reduce time to market with a less costly, less complex, 50V power amplifier line-up, while delivering the most efficiency possible. With a best-in-class combination […]

The post 50-V GaN MMICs handle D-Day radar apps appeared first on Power Electronic Tips.

Filed Under: Applications, Power Electronic Tips, Telecommunications Tagged With: cree, wolfspeed

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