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Cambridge GaN Devices (CGD) announced two new packages for the company’s ICeGaN™ family of GaN power ICs that offer enhanced thermal performance and simplify inspection. Variants of the well-proven DFN style, both packages are extremely rugged and reliable.
Developed for CGD, the DHDFN-9-1 (Dual Heat-spreader DFN) is a thin, dual-side cooled package with a small, 10×10 mm footprint and wettable flanks to simplify optical inspection. It offers low thermal resistance (Rth(JC), and can be operated with bottom-side, top-side and dual-side cooling, offering flexibility in design and out-performing the often-used TOLT package in top-side and, especially, dual-side cooled configurations.
The DHDFN-9-1 package has been designed with dual-gate pinout to facilitate optimal PCB layout and simple paralleling, enabling customers to address applications up to 6 kW with ease. The BHDFN-9-1 (Bottom Heat-spreader DFN) is a bottom-side cooled package, also with wettable flanks for easy inspection. Thermal resistance is 0.28 K/W, matching or exceeding other leading devices. Measuring 10×10 mm, the BHDFN is smaller than the commonly-used TOLL package yet shares a similar footprint, hence a common layout with TOLL-packaged GaN power ICs is possible for ease of use and evaluation.
Nare Gabrielyan | Product Marketing Manager, CGD
“These new packages are part of our strategy to enable customers to use our ICeGaN GaN power ICs at higher power levels. Servers, data centres, inverters/motor drives, micro-inverters and other industrial applications are all beginning to enjoy the power density and efficiency benefits that GaN brings, but they are also more demanding. Therefore, it is essential for such applications that devices are also rugged and reliable, and easy to design in. These attributes are inherent in ICeGaN, and are supported and extended by the new packages.”
Improving thermal resistance performance has several benefits. First, more power output is available at the same RDS(on) . Devices also run at cooler temperatures for the same power, so less heatsinking is required, resulting in reduced system costs. Lower operating temperatures also lead to higher reliability and longer lifetimes. Finally, if cost is the constraint for the application, designers can use a lower cost part with a higher RDS(on) and still achieve the required power output.
The new packages will be shown for the first time publicly at the upcoming PCIM exhibition on CGD’s booth # 7 643, Nürnberg Messe, Nuremberg, Germany, 11-13th June 2024.
Original – Cambridge GaN Devices
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NXP Semiconductors N.V. announced a collaboration with ZF Friedrichshafen AG, a global leader in e-mobility, on next-generation SiC-based traction inverter solutions for electric vehicles (EVs). By leveraging NXP’s advanced GD316x high-voltage (HV) isolated gate drivers, the solutions are designed to accelerate the adoption of 800-V and SiC power devices. Safe, efficient and higher performance traction inverters enabled by the GD316x product family can be designed to extend EV range and reduce the number of charging stops while lowering system level costs for OEMs.
The collaboration between ZF and NXP is a significant step towards accelerating the electrification of the automotive industry, and creating more safe, sustainable, and energy-efficient EVs for the future.
“We look forward to working with NXP to raise the bar for the capabilities and performance of our 800-V traction inverter solutions, which will help us achieve our goals of reducing emissions and promoting sustainability,” said Dr. Carsten Götte, SVP Electrified Powertrain Technology at ZF. “The combination of ZF’s expertise in motor control and power electronics with NXP’s GD316x gate driver family enables us to provide our latest SiC-based traction inverters with higher power and volume density, efficiency and differentiation, and provide our customers with significant safety, efficiency, range and performance improvements.”
Traction inverters are a critical component of an EV’s electric powertrain, converting DC voltage from the battery into a time-varying AC voltage, which drives the vehicle’s motor. As traction inverters now migrate to SiC-based designs, the SiC power devices need to be paired with HV isolated gate drivers to harness the advantages such as higher switching frequency, lower conduction losses, better thermal characteristics and higher robustness at high voltages, compared to previous generation silicon-based IGBT and MOSFET power switches.
The GD316x family of advanced, functionally safe, isolated, high voltage gate drivers incorporates a number of programmable control, diagnostic, monitoring, and protection features, enhanced to drive the latest SiC power modules for automotive traction inverter applications. Its high level of integration allows a smaller footprint and simplifies the system design.
The outstanding capabilities reduce Electromagnetic Compatibility (EMC) noise while also reducing switching energy losses for better efficiency. Fast short-circuit protection times (< 1 µsec) in combination with powerful and programmable gate drive schemes optimize the performance of the traction inverter’s SiC power modules.
“Together with ZF, we are developing next-generation power electronics for future EVs,” said Robert Li, Senior Vice President and General Manager, Electrification at NXP. “Our gate driver family implements a number of outstanding features to both protect and unleash the benefits of high-voltage SiC power switches, making them an ideal choice for ZF’s new SiC-based traction inverter solutions. This collaboration is a testament to our commitment to delivering state-of-the-art solutions that enable OEMs to achieve their EV performance and sustainability goals.”
ZF traction inverters, enabled by NXP’s GD316x product family, are already on the road.
Original – NXP Semiconductors
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STMicroelectronics and Geely Auto Group have signed a long-term Silicon Carbide (SiC) supply agreement to accelerate their existing cooperation on SiC devices. Under the terms of this multi-year contract, ST will provide multiple Geely Auto brands with SiC power devices for mid-to-high-end battery electric vehicles (BEVs), boosting Geely Auto’s NEV transformation strategy with improved performance, faster charging speeds and extended driving range.
In addition, building on their longstanding cooperation across multiple automotive applications, Geely and ST have established a joint lab to exchange information and explore innovative solutions related to automotive Electronics/Electrical (E/E) architectures (i.e. in-vehicle infotainment, smart cockpit systems), advanced driver assistance (ADAS), and NEVs.
Geely Auto Group has adopted ST’s third generation SiC MOSFET devices in electric traction inverters. The traction inverter is the core of electric powertrains and SiC MOSFETs maximize their efficiency. The combination of advanced inverter design with high-efficiency power semiconductors, like SiC, is the key to superior electric vehicle performance.
“We are very pleased to establish a win-win cooperation with STMicroelectronics, to empower each other and fully utilize our respective advantages and resources.I believe that through the form of innovation joint lab, Geely and ST can deepen our cooperation, achieve mutual benefit, and accelerate the development and implementation of innovative technologies in Geely Auto,” said Li Chuanhai, President of Electronic and Electrical Center of Geely Automotive Central Research Institute.
“We are pleased to have a deep cooperation with global automotive semiconductor leader STMicroelectronics to establish an innovation joint lab. Both sides will deepen long-term cooperation in fields such as smart driving to jointly focus on customer needs, accelerate the implementation of new products and solutions, and shape an efficient cooperation mode. I believe that this cooperation will be beneficial for both parties to conduct more forward-looking technical research based on the development trends of smart, electrified, and connected cars. Geely is delighted to leverage STMicroelectronics’ leading automotive business solutions to be well positioned in product performance, system integration, and overall market competitiveness,” said Fu Zhaohui, Director of the Electronic and Electrical Center of Geely Automotive Central Research Institute.
“Geely Auto, is a shining example of automotive innovation in China, making rapid progress in car electrification and digitalization, while expanding its presence in the global market. This long-term SiC supply agreement and the joint lab establishment mark a significant step forward in our long-established cooperation,” said Henry Cao, Executive Vice President of Sales & Marketing, China Region, STMicroelectronics. “China is the biggest NEV market worldwide and a leading innovator. Our local competence centers and joint labs with our customers across the value chain of automotive allow ST to better support automotive innovation and transformation in China.”
As a leading global automobile manufacturer and China’s top automotive brand, Geely Auto sold a total of 1.68 million vehicles in 2023, with NEV sales reaching 480,000 units, accounting for 28% of the Company’s total sales for the year. This NEV sales volume represents a year-over-year increase of 48%, demonstrating Geely Auto’s successful transition towards NEV and its growing impact in the industry.
With a state-of-the-art SiC manufacturing process and a completely vertically integrated supply-chain, ST provides SiC devices for a wide range of EV applications including traction inverter, OBC (onboard charger), DC-DC converter, EV charging station and e-compressor application, significantly enhancing the performance, efficiency, and range of NEVs. In June 2023, ST and Sanan Optoelectronics, a market leader in compound semiconductors in China, announced the creation of a new 200mm SiC device manufacturing JV in Chongqing, China. This facility will better support the needs of Chinese customers as ST collaborates with more leading Chinese carmakers, industrial customers, and solution providers in SiC, to accelerate the pace of electrification in China.
Original – STMicroelectronics
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Qorvo® will showcase its latest power management innovations at the upcoming PCIM exhibition and conference from June 11-13 in Nuremberg, Germany. Attendees are invited to visit the Qorvo booth #7-406 to explore the latest advancements in SPICE simulation, silicon carbide (SiC) and motor control technologies.
Qorvo will feature the following at PCIM 2024:
QSPICE™ Simulation Software Showcase
PCIM attendees can experience the next level of simulation with Qorvo’s advanced QSPICE tool during small group Q&A with the tool’s creator, Mike Engelhardt.Training Session Schedule (visit Qorvo booth to confirm training session times)
• Tuesday, June 11, 1:30 p.m.: The QSPICE User Interface
• Wednesday, June 12, 1:30 p.m.: Importing 3rd Party Models
• Thursday, June 13, 10:30 a.m.: Anatomy of a Macro Model Done RightSiC Solutions
Qorvo’s unique cascode JFET configuration delivers industry-leading RDS(on) and best-in-class switching frequency in multi-kilowatt SiC applications across automotive, industrial, renewables and network infrastructure markets. Experts will be on hand to discuss the latest advancements with SiC JFETs, modules and FETs.
Motor Control Solutions
Qorvo’s booth will feature a variety of intelligent motor control solutions that span the input voltage spectrum, including:
• New family of 44V-72V motor controllers with integrated protection features for safety-critical applications like power tools and garden tools
• Robotics demo with partner Tinymvr featuring both Qorvo motor control and battery management solutions
• Wide bandgap showcase with both Qorvo SiC and partner Cambridge GaN Devices (CGD) products paired with high-voltage motor controllersOriginal – Qorvo
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The electronics industry is witnessing a significant shift towards more compact and powerful systems, driven by technological advancements and a growing focus on decarbonization efforts. With the introduction of the Thin-TOLL 8×8 and TOLT packages, Infineon Technologies AG is actively accelerating and supporting these trends. They enable a maximum utilization of the PCB mainboard and daughter cards, while also taking the system’s thermal requirements and space restrictions into account.
The company is now expanding its portfolio of CoolSiC™ MOSFET discretes 650 V with two new product families housed in the Thin-TOLL 8×8 and TOLT packages. They are based on the CoolSiC Generation 2 (G2) technology, offering significantly improved figures-of-merit, reliability, and ease-of-use. Both product families specifically target high and medium switching-mode power supplies (SMPS), including AI servers, renewable energy, EV chargers, and large home appliances.
The Thin-TOLL package has a form factor of 8×8 mm and offers the best-in-class Thermal Cycling on Board (TCoB) capability on the market. The TOLT package is a top-side cooled (TSC) enclosure with a similar form factor to TOLL. Both package types offer developers several benefits: Using them in AI and server power supply units (PSU), for example, reduces the thickness and length of the daughter cards and allows for a flat heat sink.
When used in microinverters, 5G PSU, TV PSU and SMPS, the Thin-TOLL 8×8 package allows for a minimization of the PCB area occupied by the power supply devices on the mainboard, while TOLT keeps the junction temperature of the devices under control, given that these applications typically use convection cooling. In addition, TOLT devices complete Infineon’s top-side cooled CoolSiC industrial portfolio, namely CoolSiC 750 V in Q-DPAK. They enable developers to reduce the PCB footprint occupied by SiC MOSFETs when the power to be delivered to the devices does not require a Q-DPAK package.
The CoolSiC MOSFETs 650 V G2 in ThinTOLL 8×8 and TOLT are now available in R DS(on) from 20, 40, 50 and 60 mΩ. Additionally, the TOLT variant is also available with an R DS(on) of 15 mΩ. The product family will be expanded by a more granular portfolio by the end of 2024. More information is available at www.infineon.com/coolsic-gen2. Infineon will showcase the CoolSiC MOSFET 650 V Generation 2 at the PCIM in Nuremberg.
Original – Infineon Technologies
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Toshiba Electronic Devices & Storage Corporation has developed a Schottky barrier diode (SBD) embedded metal oxide semiconductor field effect transistor (MOSFET), a significant improvement over the current device structure, while maintaining high reliability and short-circuit ruggedness.
A successful design modification introduces a barrier structure with varying depths in the device structure that maintains the reliability of the reverse conduction operation, the function of an integrated SBD, while suppressing the current leakage from the SBD part that causes destruction during short-circuiting. By making use of new design technology and optimizing the device structure, the new MOSFET achieves lower on-resistance (RonA), with about a 26% improvement over the current structure.
Power semiconductors play a central role in electricity supply and control. They cut energy consumption in all kinds of electronic equipment, and are an important tool for the realization of carbon neutrality. Continued demand expansion is expected from vehicle electrification and the miniaturization of industrial equipment.
Against this background, SiC MOSFETs are seen as next-generation power semiconductors. They deliver better power energy conversion efficiency than Si MOSFETs, and their use has expanded rapidly in recent years. However, SiC MOSFETs have a reliability problem: increased RonA due to reverse conduction operation. Toshiba has now developed an SBD-embedded SiC MOSFET that operates in reverse conduction without increasing RonA.
Reducing the RonA of SiC MOSFET simultaneously causes excess current flow through the MOSFET part during short-circuit operation, reducing the durability of short-circuit operation. However, enhancing the conduction of the embedded SBD to improve the reliability of reverse conduction operation increases its current leakage during short-circuit operation, which also decreases the durability of short-circuit operation.
Introducing a deep barrier structure can suppress both the excess current of the MOSFET and SBD current leakage during short-circuit operation, but it also obstructs current flow from the SBD, raising concerns about decreased reliability in diode conduction.
This led Toshiba to consider a barrier structure divided into shallow and deep areas. The deep barrier area successfully suppresses excess current from the MOSFET part during short-circuit operation, and reduces SBD current leakage, while leaving a shallow area effectively spreads current from the SBD without any obstruction by the barrier.
This improves ruggedness during short-circuit operation while maintaining excellent reliability in reverse conduction operation. Toshiba has provided some customers with test samples of SiC MOSFETs with embedded SBD that apply the new technology since December 2023 for evaluation, toward further enhancing performance.
By making use of its new design technology and optimizing the device structure, Toshiba has developed a prototype 1.2 kV class SBD-integrated MOSFET. This achieves a low RonA of 2.0 mΩcm2, about a 26% improvement over the current structure. Toshiba will present the details of this technology at The 36th International Symposium on Power Semiconductor Devices and ICs (ISPSD) 2024, an international conference on power semiconductors, which is being held in Bremen, Germany from June 2 to 6.
Original – Toshiba
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Coherent Corp. announced that following a comprehensive search, its Board of Directors has appointed Jim Anderson, an established industry executive with a proven track record of driving innovation and leading business transformations, as the Company’s new Chief Executive Officer, effective today. Mr. Anderson also joins the Company’s Board of Directors.
Mr. Anderson joins Coherent from Lattice Semiconductors (“Lattice”), where he was President, Chief Executive Officer, and a member of its Board of Directors. As CEO, Mr. Anderson was responsible for driving Lattice’s corporate strategy and strengthening the Company’s product roadmap, achieving record operating profits and gross margins. He succeeds Dr. Vincent D. (“Chuck”) Mattera, Jr., who, as previously announced, is retiring as Chair and CEO of Coherent.
“Jim’s business acumen and technical capability, coupled with his extensive experience transforming complex global businesses to deliver above-market growth and profitability, make him the ideal leader to steer Coherent through its next chapter amidst a rapidly changing market,” said Enrico DiGirolamo, Board Chair. “I am confident that Coherent will benefit from Jim’s operational expertise, innovation-first approach, and in-depth knowledge of our market and platform, as we capitalize on the strong market demand we see across our AI-related datacom portfolio and improving industrial market, while leveraging our diversification strategy that continues to serve us well.”
“I am deeply honored to join Coherent, a company I have long admired, as its next CEO,” said Mr. Anderson. “With cutting-edge innovation, an industry-leading platform, and an intense focus on the customer, Coherent is exceptionally well positioned to build on its existing momentum and deliver enhanced profitable growth over the long term. I look forward to joining the leadership team and Board at this pivotal moment in the Company’s history as we work together to realize Coherent’s enormous potential and drive value for all stakeholders.”
“Chuck Mattera has been in and around this industry for almost half a century, conceptualizing and directing the acquisition and business development strategy that made Coherent the multi-billion dollar global entity it is today,” said Mr. DiGirolamo. “Chuck thoughtfully forged meaningful relationships with employees, customers, suppliers, government officials, key partners, and shareholders that established a values-based foundation.” DiGirolamo added, “On behalf of the Board, I have the privilege of thanking Chuck for his many years of visionary leadership, tireless execution, and energetic commitment to redefining the possibilities of our industry. We all look forward to learning about the next chapters of Chuck’s already accomplished story.”
About Jim Anderson
Prior to joining Lattice in 2018, Mr. Anderson was senior vice president and general manager of Advanced Micro Devices’ Computing and Graphics business group. He previously held leadership positions in general management, engineering, sales, marketing, and strategy at companies including Intel, Broadcom (formerly Avago Technologies), and LSI Corporation.
Mr. Anderson serves on the Board of Directors of Entegris, EdgeQ, and Lumotive, as well as on the Board of Directors of the Semiconductor Industry Association, the MIT Sloan Americas Executive Board, the Electrical and Computer Engineering Advisory Board at Purdue University, and the Dean’s Advisory Board for the College of Science and Engineering at the University of Minnesota. Previously, he was a director at Sierra Wireless.
Mr. Anderson holds an MBA and Master of Science in electrical engineering and computer science from the Massachusetts Institute of Technology, a Master of Science in electrical engineering from Purdue University, and a Bachelor’s degree in electrical engineering from the University of Minnesota.
Original – Coherent
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STMicroelectronics announced a new high-volume 200mm silicon carbide (“SiC”) manufacturing facility for power devices and modules, as well as test and packaging, to be built in Catania, Italy. Combined with the SiC substrate manufacturing facility being readied on the same site, these facilities will form ST’s Silicon Carbide Campus, realizing the Company’s vision of a fully vertically integrated manufacturing facility for the mass production of SiC on one site.
The creation of the new Silicon Carbide Campus is a key milestone to support customers for SiC devices across automotive, industrial and cloud infrastructure applications, as they transition to electrification and seek higher efficiency.
“The fully integrated capabilities unlocked by the Silicon Carbide Campus in Catania will contribute significantly to ST’s SiC technology leadership for automotive and industrial customers through the next decades,” said Jean-Marc Chery, President and Chief Executive Officer of STMicroelectronics. “The scale and synergies offered by this project will enable us to better innovate with high-volume manufacturing capacity, to the benefit of our European and global customers as they transition to electrification and seek more energy efficient solutions to meet their decarbonization goals.”
The Silicon Carbide Campus will serve as the center of ST’s global SiC ecosystem, integrating all steps in the production flow, including SiC substrate development, epitaxial growth processes, 200mm front-end wafer fabrication and module back-end assembly, as well as process R&D, product design, advanced R&D labs for dies, power systems and modules, and full packaging capabilities. This will achieve a first of a kind in Europe for the mass production of 200mm SiC wafers with each step of the process – substrate, epitaxy & front-end, and back-end – using 200 mm technologies for enhanced yields and performances.
The new facility is targeted to start production in 2026 and to ramp to full capacity by 2033, with up to 15,000 wafers per week at full build-out. The total investment is expected to be around five billion euros, with a support of around two billion euros provided by the State of Italy within the framework of the EU Chips Act. Sustainable practices are integral to the design, development, and operation of the Silicon Carbide Campus to ensure the responsible consumption of resources including water and power.
Original – STMicroelectronics
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Infineon Technologies AG is on schedule with the construction of the Smart Power Fab in Dresden and is initiating the final construction phase. During a visit, the Prime Minister of the Free State of Saxony, Michael Kretschmer, officially handed over the last outstanding building permit for the new fab issued by the State Directorate of Saxony.
The excavation of the building pit has now been completed. The shell and building construction are currently progressing on the concrete foundation, which is up to two meters thick. Infineon officially broke ground for the new plant in Dresden in May 2023. Manufacturing is scheduled to start in 2026. The production will focus on semiconductors that promote decarbonization and digitalization.
With a total investment of five billion euros, the company is making a significant contribution to the European Commission goal to increase the EU’s share of global semiconductor production to 20 percent by 2030. The semiconductors manufactured in Dresden will secure future value chains in key European industries. The products manufactured in the new production facility will be used in the automotive and renewable energy industries. The interaction of power semiconductors and analog/mixed-signal components enables particularly energy-efficient and intelligent system solutions – hence the name Smart Power Fab.
“The construction of the Smart Power Fab is a big win for Dresden, Saxony, Germany and Europe,” says Michael Kretschmer, Prime Minister of the Free State of Saxony. “Infineon’s fourth production module in Dresden is another important building block in strengthening Europe’s resilience in the field of microelectronics. It is a further step towards achieving the European Commission’s goal of increasing Europe’s share of global chip production to 20 percent. Thanks to a thoughtful cooperation between the company, the Free State of Saxony, the local authorities, and the federal government, it has been possible to get the investment off the ground and to issue the relevant permits quickly. As a result, the semiconductors that we urgently need for the mobility and energy transition can be produced in the new fab starting in 2026.”
“We are making excellent progress with the construction of our state-of-the-art Smart Power Fab in Dresden. We are right on schedule also thanks to the excellent cooperation with the authorities,” says Dr. Rutger Wijburg, Member of the Management Board and Chief Operations Officer of Infineon. “With our strategic decision to continue investing in Dresden, we are securing the long-term future of the site and strengthening the manufacturing base for semiconductors in Europe.”
The dimensions of the construction site are impressive. On average, construction workers have removed around 8,000 tons of soil every day since the start of work. A total of 450,000 cubic meters of excavated soil has been produced, which corresponds to the volume of 180 Olympic swimming pools.
The soil is being temporarily stored in a specially prepared area near the Dresden Airport freeway junction. The 22-metre-deep pit not only compensates for the natural gradient, but also provides a firm foundation for the 150- to 190-centimetre-thick base plate, which is intended to reduce vibrations – from passing streetcars, for example – to a minimum. Even minimal vibrations can affect the sensitive semiconductor production.
In the next construction phase, the basement levels will be built, along with other levels. The clean room – the heart of the Smart Power Fab – is planned for the fourth level. Once completed, it will be at the exact same height as the site’s three existing production rooms. This will optimize an integrated production. The future construction phase of the project includes a total of ten tower cranes, some of them 80 meters high to support up to 1,200 construction workers who will be working on the site every day in multiple shifts.
The investment in Dresden is part of the company’s strategy to reach CO 2-neutrality by 2030. The Smart Power Fab sets new efficiency standards for the consumption of important resources such as energy and water. This has a positive impact on the carbon footprint of Infineon. Even today, Infineon’s products, which are used in solar and wind power plants, reduce 34 times the amount of CO 2 emitted during their production over their lifetime.
With the investment in the new plant, Infineon is creating an additional 1,000 jobs in the Saxon state capital. The company currently employs approximately 3,250 people in Dresden. The number of trainees has already been significantly increased with the new Fab. Subject to the European Commission’s state aid decision and the national grant procedure, the project is to be funded in accordance with the objectives of the European Chips Act. Infineon is aiming for public funding of around one billion euros.
Original – Infineon Technologies
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Cambridge GaN Devices (CGD) has signed a Memorandum of Understanding with Industrial Technology Research Institute (ITRI) of Taiwan to solidify a partnership in developing high performance GaN solutions for USB-PD adaptors. The MoU also covers the sharing of domestic and international market information, joint visits to potential customers and promotion.
Andrea Bricconi | Chief Commercial Officer, CGD
“We are excited to partner with ITRI, an organization with a power solution research team that is very experienced in developing power solutions and holds many patents. We will be demonstrating some of their board designs at our booth at the upcoming PCIM show in Nuremberg in June. These products utilize CGD’s unique IC chip architecture and ITRI’s patented designs to achieve product size reduction, high efficiency and power density, and cost competitiveness.”
Wen-Tien Tsai | leader of Commercial Power Design team, GEL/itri
“CGD’s IC-enhanced GaN – ICeGaN – is a novel platform that improves ease-of-use, facilitates smart temperature control and enhances gate reliability. We are excited to include these benefits in our new power designs.”
According to leading WBG analysts, Yole Group, the GaN market is expected to exceed $1B, with key growth in the applications of comms power supplies, and automotive DC/DC converters and on-board chargers. However, the first commercialized product in the market to adopt GaN devices has been USB-PD adaptors, and it is this market that the first designs from the partnership will address. Specifically, the agreement covers the development of power solutions in the 140-240 W range with power densities exceeding 30 W/in3 for e-mobility, power tools, notebook and cell phone applications.
Original – Cambridge GaN Devices
