• Wise-integration Raises €15 million in Series B Funding Round

    Wise-integration Raises €15 million in Series B Funding Round

    3 Min Read

    Wise-integration, a French pioneer in digital control of gallium nitride (GaN) and GaN ICs for power supplies, announced financing of €15 million. The Series B round wasled by imec.xpand, with participation from Supernova Invest, BNP Paribas Developpement, Région Sud Investissement (RSI), Creazur, CASRA Capital and Angels for Greentech.

    The round will fuel mass production and commercial deployment of the company’s flagship products, WiseGan® and WiseWare®, its disruptive digital-control technology, and its support for clients globally as they adopt these solutions. It included the five investors from the previous funding and three new investors.

    CEO Thierry Bouchet said, “The €15 million of new funding will accelerate the company’sinternational expansion, ongoing R&D programs and the introduction of new products and solutions. “This funding will enable Wise-integration to accelerate our commercial development and product development and the launch of a new generation of high-performance GaN technology, which is designed to seamlessly integrate with digital controls and boost the efficiency and performance of power systems across various sectors,” Bouchet continued. “A third roadmap focus will be to broaden our WiseWare® product development, targeting high-value markets, such as industrial, telecom and automotive sectors.”

    Since its launch in 2020, the fabless company has established itself as an award-winning innovator in the power electronics industry, building a portfolio of more than 10 patent families. WiseGan® encompasses GaN power integrated circuits designed to maximize the benefits of GaN technology, including higher power density, efficiency and reduced heat generation. WiseWare® is a 32-bit, MCUbased, AC-DC digital controller optimized for GaN-based power supply architectures, offering simplified system design, a lower bill of materials and improved power density and efficiency.

    The company’s target markets include consumer electronics, from laptops to e-bikes, scooters and motorcycles, to industrial applications like robotics, as well as data centers and electric vehicles. All its solutions address the increasing demands for miniaturization, electrification and efficient power management.

    Wise-integration has established a first-class semiconductor GaN supply chain to support its mass production and commercialization strategy, while ensuring the most competitive costs in the market.

    “Wise-integration’s GaN technology can play a significant role in the global shift to electrification by enhancing the efficiency and performance of power systems across various sectors,” said Cyril Vančura, imec.xpand partner. “In the four years since its founding, this start-up has demonstrated the vision, drive, execution and technological knowhow to deliver game-changing power-electronics solutions, and we look forward to witnessing the next phase of its growth journey.”

    “With this new funding, Supernova Invest reaffirms its support for Wise-integration, a CEA-Leti spinoff that we have trusted since its creation,” said Damien Bretegnier, investment director, Supernova Invest. “We strongly believe in the huge potential of its WiseWare® digital control technology and associated WiseGan® components, anticipating a profound revolution in the power conversion market that propels GaN technology to replace legacy solutions even more rapidly.”

    “Wise-integration is one of the finest up and-coming companies in the hardware sector, a key sector in our beautiful region,” said Pierre Joubert, general director of RSI. “A high-potential company with a top management team, it fits in perfectly with the investment thesis of our Transition fund and its 100 percent Paris Agreement strategy. It has all the assets to become one of the strong links in the regional economic development strategy.”

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  • Toshiba Started Construction of a Back-End Fab for Power Semiconductors

    Toshiba Started Construction of a Back-End Fab for Power Semiconductors

    1 Min Read

    Toshiba Electronic Devices & Storage Corporation announced that it has started construction of a back-end production facility for power semiconductors at Himeji Operations – Semiconductor, in Hyogo Prefecture, western Japan. The new facility will start mass production in spring 2025.

    Toshiba will promote smart factory initiatives that bring automated transportation systems into manufacturing processes, promote work efficiency through adoption of RFIDNote tags, and improve the accuracy of inventory management. The facility will be 100% powered by renewable energy and equipped with solar power generation systems, underlining Toshiba’s commitment to the SDGs.

    Power devices are essential components for managing and reducing power consumption in all kinds of electronic equipment, and for saving energy. With the start of production at the new Himeji facility, Toshiba will more than double its production capacity for automotive power semiconductor production, against fiscal 2022, and reinforce its contributions to advancing carbon neutrality.

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  • JCET Automotive Electronics Secures a RMB 4.4 billion Capital Increase

    JCET Automotive Electronics Secures a RMB 4.4 billion Capital Increase

    2 Min Read

    JCET Group announced that the company’s holding company, JCET Automotive Electronics (Shanghai) Co., Ltd., has successfully secured a RMB 4.4 billion capital increase. The agreement was ratified by the Fourth Meeting of the Eighth Board of Directors and the First Extraordinary General Meeting of Shareholders in 2024, being signed and taking effect on February 5, 2024.

    The capital aims to support the construction of JCET’s first intelligent automotive-grade chip advanced packaging flagship factory.

    Located in Shanghai’s cutting-edge Lingang industrial hub in eastern China, the JCET Automotive Chip Back-end Manufacturing Base spans over 130,000 square meters, with a dedicated factory area of approximately 200,000 square meters. Construction has accelerated since its commencement in August 2023. Equipment entry is anticipated in the first half of 2025.

    Leveraging JCET’s industry-leading technology and resources, the project also includes a pilot line dedicated to manufacturing automotive chip products in China. It focuses on packaging automotive computing chips, power modules and more, optimizing packaging processes and materials while fully implementing automation solutions.

    The completed facility will serve customers worldwide and has already garnered significant attention from major car manufacturers and chip suppliers. It caters to a broad spectrum of automotive applications, including ADAS sensors, high-performance computing, interconnectivity, and power modules – driving advancements in performance, reliability, and automation across the entire industry chain.

    JCET has experienced rapid expansion within the automotive electronics sector in recent years. The company’s automotive electronics revenue achieved a CAGR exceeding 50% from 2019 to 2022. This momentum continued in the first three quarters of 2023, with revenue in this segment increasing by 88% year-on-year. JCET’s downstream applications not only cover power management, but also include areas such as autonomous driving, infotainment systems, various sensors, and vehicle networking involved in automotive intelligence.

    Furthermore, JCET’s close collaboration with customers through the pilot line allows them to secure production capacity in the Lingang facility in advance. Doing so significantly streamlines the verification and introduction processes for future customer products. This fosters a seamless transition from early development to mass production, enabling both parties to capitalize on the vast upcoming opportunities in the automotive semiconductor market.

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  • Xiaoqing Song from University of Arkansas Receives Grant to Research Gallium Oxide-Based Electric Vehicle Traction Inverters

    Xiaoqing Song from University of Arkansas Receives Grant to Research Gallium Oxide-Based Electric Vehicle Traction Inverters

    3 Min Read

    The National Science Foundation has given a $300,000 grant to Xiaoqing Song, an assistant professor in the Electrical Engineering and Computer Science Department, to support his research project focused on advancing high density and high-operation-temperature traction inverters. Song’s project explores the integration of gallium oxide packaged power modules to enhance the power density and temperature range of electric vehicles.

    Collaborating with the National Renewable Energy Laboratory, the project sets out to innovate power module packaging, establish reliable strategies for gallium oxide power devices and demonstrate the capabilities of a high density, high temperature traction inverter.

    “By eliminating technical barriers for gallium oxide device integration, this project will foster the development of next-generation, high density and high-operation-temperature power converters,” Song said.

    The traction inverter, responsible for converting stored direct current (DC) power into alternating current (AC) power to drive electric motors, stands to benefit significantly from gallium oxide technology. Song said, “Gallium oxide can make the traction inverter smaller, lighter, more efficient and capable of operating across a wider range of temperatures.

    “Gallium oxide has a larger band gap energy compared to conventional silicon and wide band gap semiconductors. It enables high breakdown electrical strength, low intrinsic carrier concentration and correspondingly high operation temperatures,” Song said.

    One challenge addressed in the project is the low thermal conductivity of gallium oxide, which hinders efficient heat removal. Song outlines the plan to develop advanced power module packaging techniques that enable low thermal resistance, low parasitic inductances and high-temperature operation capability.

    “National Renewable Energy Laboratory (NREL) has significant experience in power module simulation, fabrication and characterization, as well as world-class experimental and lab capabilities for evaluating and designing efficient and reliable power electronics systems. The PI will collaborate with them to design and develop a gallium oxide-based high density and operation-temperature traction inverter for automotive applications. This project will help establish a long-term partnership with NREL that can catalyze further research and development of ultra-wide bandgap power semiconductor devices,” Song said.

    Song shared that the collaboration with the National Renewable Energy Laboratory aims to design and develop a gallium oxide-based high density and high-operation-temperature traction inverter for automotive applications, fostering a long-term partnership that can drive further research in ultra-wide bandgap power semiconductor devices.

    “Other applications include power grids, data centers, renewable energy, space and defense, etc.,” Song added.

    The success of the project, he believes, will provide valuable insights into gallium oxide device modeling, packaging, gate driving, protection and application in power converters. These advancements are expected to catalyze progress in transport electrification and the deployment of gallium oxide technology in challenging environments.

    “The research achievements and experiences gained in the fellowship will sustain and promote the PI’s future multi-disciplinary research activities in semiconductor devices, multiphysics analysis, power module packaging and high performance power electronics. Other broader impacts also include the education and development of the next generation workforce in STEM (science, technology, engineering and math), the encouragement of more women and underrepresented minorities in electrical engineering, especially in the area of wide and ultra-wide bandgap semiconductor devices, power module packaging and power electronics with hands-on lab experiences,” Song said.

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  • Wolfspeed to Expand Existing Long-Term SiC Wafer Supply Agreement with a Leading Global Semiconductor Company

    Wolfspeed to Expand Existing Long-Term SiC Wafer Supply Agreement with a Leading Global Semiconductor Company

    2 Min Read

    Wolfspeed, Inc. announced the expansion of an existing long-term silicon carbide wafer supply agreement with a leading global semiconductor company. The expanded agreement, which is now worth approximately $275 million in total, calls for Wolfspeed to supply the company with 150mm silicon carbide bare and epitaxial wafers, reinforcing both companies’ visions for an industry-wide transition from silicon to silicon carbide semiconductor power devices.

    “As the global leader in silicon carbide wafer production, Wolfspeed is uniquely positioned to be a critical supplier of high-quality and advanced silicon carbide materials at scale. We will continue to be an important partner to power device manufacturers who need the highest-quality silicon carbide wafers to service their customers,” said Dr. Cengiz Balkas, SVP and GM of Materials for Wolfspeed.

    “This agreement further strengthens our long-time partnership with a best-in-class power semiconductor manufacturer. Our collective efforts are helping to address the rapidly expanding opportunity for silicon carbide and better address the unfulfilled demand that exists in the marketplace today.”

    The adoption of silicon carbide-based power solutions is rapidly growing across multiple markets, including industrial and EVs. Silicon carbide solutions enable smaller, lighter and more cost-effective designs, converting energy more efficiently to unlock new applications in electrification. This supply agreement will enable silicon carbide applications in a broad range of industries, such as: renewable energy and storage, electric vehicles, charging infrastructure, industrial power supplies, traction and variable speed drives.

    Wolfspeed is the global leader in the manufacturing of silicon carbide wafers and epitaxial wafers. The company is currently expanding its manufacturing capacity in the United States and has plans to open a new, automated materials factory in Siler City, North Carolina later this year that will produce 200mm silicon carbide wafers. The new materials factory will increase Wolfspeed’s current materials production capacity by ten times.

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  • MIT, Applied Materials, and Northeast Microelectronics Coalition Hub to Create a Unique Open-Access Semiconductor Site

    MIT, Applied Materials, and Northeast Microelectronics Coalition Hub to Create a Unique Open-Access Semiconductor Site

    5 Min Read

    MIT and Applied Materials, Inc. announced an agreement today that, together with a grant to MIT from the Northeast Microelectronics Coalition (NEMC) Hub, commits more than $40 million of estimated private and public investment to add advanced nano-fabrication equipment and capabilities to MIT.nano, the Institute’s center for nanoscale science and engineering.

    The collaboration will create a unique open-access site in the United States that supports research and development at industry-compatible scale using the same equipment found in high-volume production fabs to accelerate advances in silicon and compound semiconductors, power electronics, optical computing, analog devices and other critical technologies.

    The equipment and related funding and in-kind support provided by Applied Materials will significantly enhance MIT.nano’s existing capabilities to fabricate up to 200mm (8-inch) wafers, a size essential to industry prototyping and production of semiconductors used in a broad range of markets including consumer electronics, automotive, industrial automation, clean energy and more. Positioned to fill the gap between academic experimentation and commercialization, the equipment will help establish a bridge connecting early-stage innovation to industry pathways to the marketplace.

    “A brilliant new concept for a chip won’t have impact in the world unless companies can make millions of copies of it. MIT.nano’s collaboration with Applied Materials will create a critical open-access capacity to help innovations travel from lab bench to industry foundries for manufacturing,” said Maria Zuber, MIT’s Vice President for Research and E. A. Griswold Professor of Geophysics. “I am grateful to Applied Materials for its investment in this vision. The impact of the new toolset will ripple across MIT and throughout Massachusetts, the region, and the nation.”

    Applied Materials is the world’s largest supplier of equipment for manufacturing semiconductors, displays and other advanced electronics. The company will provide at MIT.nano several state-of-the-art process tools capable of supporting 150 and 200mm wafers and will enhance and upgrade an existing tool owned by MIT. In addition to assisting MIT.nano in the day-to-day operation and maintenance of the equipment, Applied engineers will develop new process capabilities which will benefit researchers and students from MIT and beyond.

    “Chips are becoming increasingly complex, and there is tremendous need for continued advancements in 200mm devices, particularly compound semiconductors like silicon carbide and gallium nitride,” said Aninda Moitra, Corporate Vice President and General Manager of Applied Materials’ ICAPS Business. “Applied is excited to team with MIT.nano to create a unique, open-access site in the U.S. where the chip ecosystem can collaborate to accelerate innovation. Our engagement with MIT expands Applied’s university innovation network and furthers our efforts to reduce the time and cost of commercializing new technologies while strengthening the pipeline of future semiconductor industry talent.”

    The Northeast Microelectronics Coalition (NEMC) Hub, managed by the Massachusetts Technology Collaborative (MassTech), will allocate $7.7 million to enable the installation of the tools. The NEMC is the regional “hub” that connects and amplifies the capabilities of diverse organizations from across New England plus New Jersey and New York. The U.S. Department of Defense (DoD) selected the NEMC Hub as one of eight Microelectronics Commons Hubs and awarded funding from the CHIPS and Science Act to accelerate the transition of critical microelectronics technologies from lab-to-fab, spur new jobs, expand workforce training opportunities and invest in the region’s advanced manufacturing and technology sectors.

    The Microelectronics Commons program is managed at the federal level by the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)) and the Naval Surface Warfare Center, Crane Division, and facilitated through the National Security Technology Accelerator (NSTXL), which organizes the execution of the eight regional hubs located across the country. The announcement of the public sector support for the project was made at an event attended by leaders from the DoD and NSTXL during a site visit to meet with NEMC Hub members.

    “The installation and operation of these tools at MIT.nano will have a direct impact on the members of the NEMC Hub, the Massachusetts and Northeast regional economy, and national security. This is what the CHIPS and Science Act is all about,” said Ben Linville-Engler, Deputy Director at the MassTech Collaborative and the interim director of the NEMC Hub. “This is an essential investment by the NEMC Hub to meet the mission of the Microelectronics Commons.”

    MIT.nano is a 200,000 square-foot facility located in the heart of the MIT campus with pristine, class-100 cleanrooms capable of accepting these advanced tools. Its open-access model means that MIT.nano’s toolsets and laboratories are available not only to the campus but also to early-stage R&D by researchers from other academic institutions, non-profit organizations, government and companies ranging from Fortune 500 multinationals to local startups. Vladimir Bulović, faculty director of MIT.nano, said he expects the new equipment to come online in early 2025.

    “With vital funding for installation from NEMC and after a thorough and productive planning process with Applied Materials, MIT.nano is ready to install this toolset and integrate it into our expansive capabilities that serve over 1,100 researchers from academia, startups, and established companies,” said Bulović, who is also the Fariborz Maseeh Professor of Emerging Technologies in MIT’s Department of Electrical Engineering and Computer Science (EECS). “We’re eager to add these powerful new capabilities and excited for the new ideas, collaborations, and innovations that will follow.”

    As part of its arrangement with MIT.nano, Applied Materials will join the MIT.nano Consortium, an industry program comprising 12 companies from different industries around the world. With the contributions of the company’s technical staff, Applied Materials will also have the opportunity to engage with MIT’s intellectual centers, including continued membership with the Microsystems Technology Laboratories (MTL).

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  • Infineon Expands and Extends the Existing SiC Wafer Supply Agreement with Wolfspeed

    Infineon Expands and Extends the Existing SiC Wafer Supply Agreement with Wolfspeed

    2 Min Read

    Infineon Technologies AG and Wolfspeed, Inc. announced the expansion and extension of their existing long-term 150mm silicon carbide wafer supply agreement, originally signed in February 2018. The extended partnership includes a multi-year capacity reservation agreement.

    It contributes to Infineon’s general supply chain stability, also with regard to the growing demand for silicon carbide semiconductor products for automotive, solar and EV applications and energy storage systems. 

    “As the demand for silicon carbide devices continues to increase, we are following a multi-source strategy to secure access to a high-quality, global and long-term supply base of 150mm and 200mm SiC wafers. Our prolonged partnership with Wolfspeed further strengthens Infineon’s supply chain resilience for the coming years,” said Jochen Hanebeck, CEO of Infineon Technologies. “We have been working with Wolfspeed for more than 20 years to bring the promise of silicon carbide to the automotive, industrial and energy markets, and to help customers leverage this energy-efficient technology to foster decarbonization.”

    The adoption of silicon carbide-based power solutions is rapidly growing across multiple markets. Silicon carbide solutions enable smaller, lighter and more cost-effective designs, converting energy more efficiently to unlock new clean energy applications. To better support these growing markets, Infineon is continuously diversifying its supplier base to secure access to high-quality silicon carbide substrates.

    “Wolfspeed is the world’s leader in silicon carbide production. We are the catalyst in the industry transition to silicon carbide, providing high-quality materials to key customers like Infineon, a leading supplier in both the automotive and industrial markets, while also scaling our capacity footprint,” said Wolfspeed president and CEO Gregg Lowe. “Industry estimates indicate demand for silicon carbide devices, as well as the supporting material, will grow substantially through 2030, representing a $20 billion annual opportunity. We are very pleased to continue our partnership with Infineon and to serve as a major supplier of silicon carbide wafers in the years ahead.”

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  • Renesas Electronics Adds Transphorm's GaN to Its Power Portfolio

    Renesas Electronics Adds Transphorm’s GaN to Its Power Portfolio

    3 Min Read

    Renesas Electronics Corporation and Transphorm, Inc. announced that they have entered into a definitive agreement pursuant to which a subsidiary of Renesas will acquire all outstanding shares of Transphorm’s common stock for $5.10 per share in cash, representing a premium of approximately 35% to Transphorm’s closing price on January 10, 2024, a premium of approximately 56% to the volume weighted average price over the last twelve months and a premium of approximately 78% to the volume weighted average price over the last six months.

    The transaction values Transphorm at approximately $339 million. The acquisition will provide Renesas with in-house GaN technology, a key next-generation material for power semiconductors, expanding its reach into fast-growing markets such as EVs, computing (data centers, AI, infrastructure), renewable energy, industrial power conversion and fast chargers/adapters.

    Demand for highly efficient power systems is increasing as building blocks for carbon neutrality. To address this trend, an industry-wide transition toward wide bandgap (“WBG”) materials, represented by silicon carbide (“SiC”) and GaN, is also being seen. These advanced materials allow a broader range of voltage and switching frequency than conventional silicon-based devices. To build on this momentum, Renesas has announced the establishment of an in-house SiC production line, supported by a 10 year SiC wafer supply agreement.

    Renesas now aims to further expand its WBG portfolio with Transphorm’s expertise in GaN, an emerging material that enables higher switching frequency, lower power losses, and smaller form factors. These benefits empower customers’ systems with greater efficiency, smaller and lighter composition, and lower overall cost.

    As such, demand for GaN is predicted to grow by more than 50 percent annually, according to an industry study. Renesas will implement Transphorm’s auto-qualified GaN technology to develop new enhanced power solution offerings, such as X-in-1 powertrain solutions for EVs, along with computing, energy, industrial and consumer applications.

    “Transphorm is a company uniquely led by a seasoned team rooted in GaN power and with origins from the University of California at Santa Barbara,” said Hidetoshi Shibata, CEO of Renesas. “The addition of Transphorm’s GaN technology builds on our momentum in IGBT and SiC. It will fuel and expand our power portfolio as a key pillar of growth, offering our customers the full ability to choose their optimal power solutions.”

    “Combined with Renesas’ world-wide footprint, breadth of solution offerings and customer relationships, we are excited to pave the way for industry-wide adoption of WBG materials and set the stage for significant growth.

    This transaction will also allow us to offer further expanded services to our customers and deliver significant immediate cash value to our stockholders,” said Dr. Primit Parikh, Co-founder, President and CEO of Transphorm and Dr. Umesh Mishra, Co-founder and CTO of Transphorm. “Additionally, it will provide a strong platform for our exceptional team to further Transphorm’s leading GaN technology and products.”

    The board of directors of Transphorm has unanimously approved the definitive agreement with respect to the transaction and recommended that Transphorm stockholders adopt such definitive agreement and approve the merger. Concurrently with the execution of the definitive agreement, KKR Phorm Investors L.P., which holds approximately 38.6% of Transphorm’s outstanding common stock, has entered into a customary voting agreement with Renesas to vote in favor of the transaction.

    The transaction is expected to close in the second half of calendar year 2024, subject to Transphorm stockholder approval, required regulatory clearances and the satisfaction of other customary closing conditions.

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  • ROHM and Toshiba to Collaborate in Manufacturing Si and SiC Power Devices

    ROHM and Toshiba to Collaborate in Manufacturing Si and SiC Power Devices

    3 Min Read

    A plan by ROHM Co., Ltd. and Toshiba Electronic Devices & Storage Corporation to collaborate in the manufacture and increased volume production of power devices has been recognized and will be supported by the Ministry of Economy, Trade and Industry as a measure supporting the Japanese Government’s target of secure and stable semiconductor supply.

    ROHM and Toshiba Electronic Devices & Storage will respectively make intensive investments in silicon carbide (SiC) and silicon (Si) power devices, effectively enhance their supply capabilities, and complementally utilize other party’s production capacity.

    Power devices are essential components for supplying and managing power supply in all kinds of electronic equipment, and for achieving a carbon-free, carbon-neutral society. Current demand is expected to see continued growth.

    In automotive applications, development of more efficient, smaller and lighter electric powertrains has advanced alongside the rapid expansion in vehicle electrification. In industrial applications, stable supply of power devices and improved characteristics are widely required to support increasing automation and higher efficiency requirements.

    Against this backdrop, ROHM has formulated a management vision, “We focus on power and analog solutions and solve social problems by contributing to our customers’ needs for energy savings and miniaturization of their products.,” and accelerates its efforts for a carbon-free. SiC power devices are the keys to energy savings.

    Since the world’s first mass production of SiC MOSFETs, ROHM has been constantly developing industry-leading technologies. Among these are ROHM’s latest 4th Generation SiC MOSFETs that will be adopted for numerous electric vehicles and industrial equipment. As one of its priority projects, ROHM is working on SiC business, which contains aggressive and continuous investment to increase the production capacity of SiC and meet strong demand growth.

    Toshiba Group, with its long-standing Basic Commitment, “Committed to People, Committed to the Future.,” aims to advance the achievement of carbon neutrality and a circular economy. Toshiba Electronic Devices & Storage has for decades supplied Si power devices, mainly for automotive and industrial markets, that have helped to secure energy saving solutions and equipment miniaturization.

    The company started production on a 300mm wafer line last year, and is accelerating investment to enhance production capacity and meet strong demand growth. It is also advancing development of a wider lineup of SiC power devices, especially for automotive and power transmission and distribution applications, taking full advantage of the expertise it has cultivated in railway vehicle applications.

    ROHM has already announced its participation in the privatization of Toshiba, but this investment did not serve as the starting point for manufacturing collaboration between the two companies. Under intensifying international competition in the semiconductor industry, ROHM and Toshiba Electronic Devices & Storage have been considering collaboration in the power device business for some time, and that resulted in the joint application.

    ROHM and Toshiba Electronic Devices & Storage will collaborate in manufacturing power devices, through intensive investments in SiC and Si power devices, respectively, toward enhancing both companies’ international competitiveness. The companies will also seek to contribute to strengthening the resilience of semiconductor supply chains in Japan.

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  • Efficient Energy Technology Selects EPC's EPC2204 eGaN for SolMate

    Efficient Energy Technology Selects EPC’s EPC2204 eGaN for SolMate

    3 Min Read

    Efficient Energy Technology GmbH (EET), the Austrian-based pioneer in designing and producing innovative balcony power plants, has selected Efficient Power Conversion Corporation’s (EPC) EPC2204 enhancement-mode gallium nitride (eGaN®) power transistor for its latest SolMate® green solar balcony product.

    The EPC2204 strikes an optimal compromise between low RDS(on) and low COSS, critical for demanding hard switching application, while featuring a drain-source breakdown voltage of 100 V in a compact package. This compact design significantly reduces PCB size, keeps current loops small, and minimizes electromagnetic interference (EMI) emissions.

    EET has realized multiple benefits following the integration of GaN in its SolMate MPPT charging converter.  Efficiency loss has been halved, increasing overall efficiency from 96% to 98%.  The converter’s volume has decreased by 70%, the BOM and manufacturing costs have been reduced by 20%, all while lowering cooling requirements. Additionally, the increased switching frequency by a factor of 10 eliminates the need for error-prone electrolytic capacitors, thus increasing the converter’s lifespan.

    By reducing power loss, EET’s system can more efficiently convert solar energy, allowing the company to generate several megawatts of additional green solar power that would otherwise dissipate as heat on a large scale.  The reduced cooling requirements are particularly significant in scenarios without access to fresh air, where a water-resistant case is employed.

    EET’s SolMate has won many awards for its technical innovation, for the high technical standards and the innovative design, including the James Dyson Award, Living Standards Austria, the German Sustainability Award (Design), the SolarPower Summit Award, and a finalist in the Intersolar EES Award.

    Commenting on the development, Jan Senn, CMO & Sales at EET stated, “Our vision is to make renewable energy simple, safe and reliable for everyone. We accomplish this by enabling individuals to use green energy where it is most crucial – in their own homes.

    SolMate combines the highest quality, excellent user experience, and design into one user-friendly lifestyle product for every home. Transitioning to GaN helps us realize this vision, and we are currently exploring the integration of GaN transistors from EPC in other power converters as well.”

    Stefan Werkstetter, VP of EMEA Sales at EPC, stated, “We are delighted that EET has chosen our EPC2204 eGaN FET for their SolMate green solar balcony product. Our commitment to delivering high-performance and efficient power conversion solutions aligns perfectly with EET’s mission to make renewable energy accessible and reliable for all. We look forward to continuing our partnership with EET and contributing to the advancement of sustainable energy solutions.”

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