Alta Devices and Power Oasis Partner on Battery and Solar UAV Reference Design

Alta Devices of Sunnyvale, California USA and PowerOasis of Swindon, UK are partnering to develop a reference design to integrate solar and lithium-ion (Li-ion) battery power systems for small unmanned aerial vehicles (UAVs). According to the companies, the UAV reference design will combine the hybrid power systems expertise of Power…

CIGS Company Siva Power Adds $25 in Funding

Siva Power of Santa Clara, California USA, a fabricator of CIGS thin-film solar technology, reported the closing of a $25 million funding round. The company says it intends to use the funding to build out its pilot production line and develop the company's CIGS solar module business. The $25 million…

Mitsubishi Electric to Showcase GaN Envelope-Tracking PA Technology

Mitsubishi Electric Corporation of Tokyo, Nokia Bell Labs and the Center for Wireless Communications at UC San Diego announced the joint development of the first ultra-fast gallium nitride (GaN) envelope-tracking power amplifier (PA). The PA supports modulation bandwidth up to 80MHz and is expected to reduce energy consumption in next-generation…

Rohm Releases 1200V SiC Power Modules

Kyoto-based firm Rohm announced the development of 1200V 400A/600A rated full SiC power modules (BSM400D12P3G002/ BSM600D12P3G001). Rohm optimized the SiC power modules for inverters and converters in power supplies for industrial equipment, solar power conditioners, and UPS. An optimized heat radiation design enables the BSM600D12P3G001 to achieve a rated current…

Cree CEO to Step Down

Cree, Inc. reported that company chairman, president, and CEO Chuck Swoboda will step down from his executive positions and his membership of the board of directors. Mr. Swoboda plans to stay at the company until the board of directors appoints a successor. Afterward, he will remain available as a consultant…

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Microsemi and ADI Create SiC Driver Reference Design

Microsemi Corporation of Aliso Viejo, California and Analog Devices, Inc. (ADI), of Norwood, Massachusetts announced a scalable Silicon Carbide (SiC) driver reference design solution. The reference design stemmed from the collaboration of the two companies as part of the Accelerate Ecosystem, a joint initiative designed to reduce time to market …

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Bel Power Solutions Power Supply Uses Transphorm’s GaN PFC Technology

Transphorm Inc. of Goleta, California USA, stated that the recently announced high-efficiency TET3000-12-069RA power supply from Bel Power Solutions uses its GaN PFC technology. In particular, the Bel Power Solutions power supply employs Transphorm’s GaN-based bridgeless totem-pole power factor correction (PFC) topology using Transphorm’s TPH3205WSB 49 milliOhm (mΩ) GaN FETs. …

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Wolfspeed Releases SiC Power Module

Wolfspeed, a Cree Company, which like Cree is also headquartered in Durham North Carolina USA, has released a SiC power module that passes the harsh environment qualification test. The test simultaneously puts the power module in high-humidity, high-temperature, and high-voltage conditions.  

According to Wolfspeed, this reliability benchmark enables system designers …

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Iodide-Missing Defects Found to Degrade Perovskites

Perovskites have shown great promise for making flexible and cheap solar cells. However, so far researchers have been unable to overcome one big issue, they degrade rapidly in natural conditions. In fact, exposure of perovskites to natural conditions greatly decreases their performance in just days. However, scientists from Imperial College, London …

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