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EPC will exhibit its latest advancements in high-performance GaN technology at PCIM Europe 2025, taking place 6–8 May in Nuremberg, Germany.
Visit EPC in Hall 9, Stand 318 to see a wide array of GaN-based power solutions powering next-generation applications—from high-density computing to motor drives for humanoid robots, automotive electrification, and satellites. Live demonstrations will highlight EPC’s latest GaN FETs and ICs in real-world applications that emphasize smaller size, higher efficiency, and lower cost compared to silicon solutions.
Motor Drives: Powering Robotics, Automation, and More
From industrial automation to smart consumer devices, GaN-based motor drives offer higher efficiency, smaller size, and improved performance compared to traditional silicon solutions. EPC’s latest GaN technology powers motor drive applications across a wide range of industries, including:
- Humanoids & Quadrupeds – Enabling next-generation robotics with faster response times, lighter joints, and greater energy efficiency.
- Drone Motors – Delivering longer flight times, compact size, and precise control through high-speed switching.
- Power Tools – Extending battery life and increasing torque with compact, high-efficiency GaN motor drives.
- Vacuum Cleaners & Delivery Robots – Empowering smarter, more autonomous systems with high power density and thermal performance.
48 V = GaN: Powering the Future of High-Density Computing
Today’s high-density computing environments demand compact, efficient power solutions to meet rising performance and thermal requirements. EPC’s latest GaN technology for AC/DC server power and 48 V DC-DC power conversion delivers reduced losses, increased power density, enhanced thermal performance, and best-in-class efficiency—enabling more computing in less space.
Visit EPC at PCIM Europe 2025:
- Schedule a Meeting: EPC’s technical experts, including CEO Dr. Alex Lidow, will be on-site to discuss how GaN is driving innovation across multiple industries. To schedule a meeting during PCIM contact info@epc-co.com
- Exhibition Booth Hall 9, Stand 513: Visit EPC’s booth to explore our comprehensive portfolio of GaN-based solutions and applications.
- Technical Presentations: Attend our technical sessions to gain insights into the latest trends and advancements in GaN power conversion technology.
- GaN-Based 5 kW Four-Level Totem-Pole PFC Converter for AI Servers Power Supply; Speaker: Marco Palma
- Bodo’s Power Systems – GaN Expert Panel at PCIM 2025; Panelist: Alex Lidow, Ph.D.
- 5 kW Isolated 400 V to 50 V, DC-DC Converter for Server Power Supplies; Speaker: Michael de Rooij, Ph.D.
- Design of GaN FET-Based Multilevel Three-Phase Inverter for High Voltage Automotive Applications; Speaker: Fabio Mandrile, Polytechnical University of Turin
- Next Generation GaN Platform for High-Density DC-DC Converters; Speaker: Alex Lidow, Ph.D.
“PCIM Europe is the ideal stage to show how EPC’s GaN is transforming power electronics—from server power to robotics, we’re helping engineers unlock the full potential of wide bandgap solutions,” said Nick Cataldo, VP of Sales and Marketing at EPC.
Original – Efficient Power Conversion
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Efficient Power Conversion introduced the EPC2367, a next-generation 100 V eGaN® FET that delivers superior performance, higher efficiency, and lower system costs for power conversion applications.
Designed for 48 V intermediate voltage bus architectures, the EPC2367 significantly advances the performance of power systems by reducing power loss, increasing efficiency, and enabling more compact and cost-effective designs. This new device sets a benchmark in performance compared to both previous-generation GaN and traditional silicon MOSFET solutions.
Key Advantages of the EPC2367
- Ultra-Low On-Resistance (RDS(on)): 1.2 mΩ, a ~ 30% improvement over previous generation best-in-class devices
- Smaller Footprint: 3.3 mm × 3.3 mm QFN package, reducing PCB space and enhancing thermal performance
- Best-in-Class Switching Figures of Merit (FoM): EPC2367 outperforms competitors in hard and soft-switching applications, delivering superior efficiency and lower power losses
- Enhanced Thermal Performance: Operates cooler under load, improving system reliability and enabling higher power densities
- Outstanding Temperature Cycling Reliability: 4× the thermal cycling capability compared to previous GaN generations, ensuring robust long-term operation
Superior In-Circuit Performance
The EPC2367 has been rigorously tested in hard and soft-switching applications. Performance results demonstrate higher efficiency across the full power range, with significant power loss reductions. In a 1 MHz, 1.25 kW system, EPC2367 reduces power losses while achieving 1.25× the output power compared to previous GaN and Si MOSFET alternatives.
The EPC2367 advances GaN technology with ultra-low on-resistance and superior thermal cycling, enabling engineers to boost efficiency and power density in AI servers, robotics, and automotive systems,
said Alex Lidow, EPC CEO and co-founder.The EPC90164 development board is a half bridge featuring the EPC2367 GaN FET. It is designed for 80 V maximum operating voltage and 35 A maximum output current. The purpose of this board is to simplify the evaluation process of power systems designers to speed their product’s time to market. This 2” x 2” (50.8 mm x 50.8 mm) board is designed for optimal switching performance and contains all critical components for easy evaluation.
Original – Efficient Power Conversion
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Efficient Power Conversion Corporation (EPC) announced the release of the 4th edition of its groundbreaking textbook, GaN Power Devices for Efficient Power Conversion.
This latest edition reflects the rapid advancements in GaN technology and its transformative impact across various industries, including renewable energy, electric vehicles, data centers, robotics, and space applications. Co-authored by EPC CEO Dr. Alex Lidow and a team of GaN experts, the textbook remains an indispensable resource for engineers, students, and industry innovators looking to stay at the forefront of power electronics.
What’s New in the 4th Edition
- Expanded coverage on the integration of GaN into new applications such as AI servers, autonomous systems, and eMobility
- Updates on design techniques that maximize GaN’s superior efficiency, power density, and thermal performance
- Comprehensive insights into GaN ICs and their role in simplifying complex designs and improving system reliability
- A dedicated section on the latest advancements in GaN reliability and manufacturability
- Real-world application examples, case studies, and practical design tips for engineers.
“Since its inception, this textbook has guided engineers and innovators adopting GaN,” said Dr. Alex Lidow, CEO and co-author. “The 4th edition deepens understanding of GaN’s capabilities and empowers readers to unlock its full potential.”
This edition underscores EPC’s commitment to educating the power electronics community and supporting the adoption of GaN as the go-to technology for efficient power conversion. The textbook is available for purchase through Wiley.
Availability and Additional Resources
The 4th edition of GaN Power Devices for Efficient Power Conversion is available now. For additional resources, including evaluation boards, design support tools, and application notes, visit epc-co.com.
Original – Efficient Power Conversion
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Efficient Power Conversion Corporation (EPC) announced the launch of the EPC91104, a high-performance 3-phase BLDC motor drive inverter reference design. This innovative design is ideal for powering compact, precision motors in humanoid robots, such as those used for wrist, finger, and toe movements.
The EPC91104 evaluation board uses the EPC23104 ePower™ Stage IC, offering a maximum RDS(on) of 11 mΩ and supporting DC bus voltages up to 80 V. The design supports up to 14 Apk steady-state and 20 Apk pulsed current, ensuring reliable performance for humanoid robot applications that require fine motor control and precision.
Key Features of the EPC91104
- Wide Voltage Range: Operates between 14 V and 80 V, accommodating a variety of battery systems
- Compact Design: Suitable for space-constrained robotics
- Advanced Protection: Includes overcurrent and input undervoltage protection, ensuring reliability in demanding applications
- Optimized Efficiency: Low-distortion switching reduces torque ripple and motor noise
Humanoid robots demand motors with precision and compactness, and the EPC91104 is specifically designed to meet those needs for applications like small joint actuation,
said Alex Lidow, CEO of EPCFor higher-current requirements, such as elbow and knee motors in humanoid robots, EPC offers the EPC9176 board in the same family. With enhanced current capacity, the EPC9176 complements the EPC91104 to cover a full range of motor drive applications in humanoid robotics.
The EPC91104 is compatible with controller boards from leading manufacturers, including Microchip, Texas Instruments, STMicroelectronics, and Renesas, offering engineers flexibility in development. It is equipped with comprehensive sensing and protection features, ensuring rapid prototyping and testing.
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Efficient Power Conversion (EPC) announced that the Full Commission of the U.S. International Trade Commission (ITC) has affirmed the ITC’s initial determination that Innoscience infringed EPC’s foundational patent for GaN technology, which is core to applications involving artificial intelligence, satellites, rapid chargers, humanoid robots, and autonomous driving, among others. The decision imposes a ban on Innoscience (Zhuhai) Technology Co., Ltd. and its affiliates (Innoscience) from importing GaN-related products into the United States without a license from EPC.
This milestone decision marks the first successfully litigated U.S. patent dispute involving GaN-based wide bandgap semiconductors and solidifies EPC’s position as a leading developer of these next-generation devices, which are significantly more efficient, faster, and smaller than traditional, silicon-based technology. The decision also paves the way for EPC to expand access to its IP through licensing agreements with potential partners and customers around the world.
“After pouring nearly two decades and immense resources into developing our uniquely valuable intellectual property portfolio, this is a tremendous victory for EPC and a major win for fair competition globally, which is critical to the success of next-generation technological advances. We are grateful to the ITC for their diligent work in recognizing the validity of our patents and Innoscience’s infringement,” said Alex Lidow, CEO and Co-Founder of EPC. “EPC will continue to vigorously defend our IP against unfair use to ensure that we can continue to innovate and provide our customers with the cutting-edge technologies needed to help power our future.”
The ITC’s most recent decision is the fourth time that EPC’s IP rights have been affirmed against Innoscience in the past six months. EPC initially filed the infringement claim against Innoscience in the ITC in May 2023. In response, Innoscience challenged the validity of the EPC patents at issue in the U.S., as well as EPC’s counterpart patents in China.
The China National Intellectual Property Administration upheld the validity of EPC’s counterpart patents in April and May 2024. The ITC’s initial determination in July 2024 similarly confirmed the validity of the challenged patents, and also found that Innoscience infringed EPC’s foundational patent, U.S. Patent No. 8,350,294. The ITC’s final determination is subject to a 60-day Presidential review period, expiring on January 6, 2025.
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EPC will participate in PCIM Asia 2024. The event will take place from August 28-30 in Shenzhen, China. Attendees are invited to visit EPC at Hall 11, Stand F01 to explore the industry’s most comprehensive portfolio of GaN power conversion solutions.
See How GaN is Powering the Future
GaN power semiconductors are used in fast-charging applications for consumer electronics, aerospace and defense applications, satellites, high density AI servers, drones, robots, autonomous vehicles, telecommunications equipment and medical electronics, among other innovative technologies.
- AI servers, critical for processing vast amounts of data in real-time, require power-efficient and high-speed electronics that GaN technology can deliver.
- Humanoid robotics require lightweight, compact, and highly responsive components. GaN enables more agile and intelligent robots that can perform complex tasks with greater precision.
- The shift toward electric vehicles (EVs) and advanced driver-assistance systems (ADAS) requires power solutions that are not only highly efficient but also capable of handling the increased power demands. GaN’s superior efficiency, compactness, and thermal performance make it the ideal choice for powering the future of transportation.
EPC is uniquely positioned to support these markets with its pioneering GaN technology. EPC’s innovative solutions not only offer superior performance but also drive advancements in these critical sectors, enabling businesses to realize their full potential in a rapidly evolving technological landscape.
Visit EPC at PCIM Asia to discover how EPC’s GaN technology can power your next breakthrough—stop by the booth to explore our latest innovations and speak with our experts.
Explore Booth (Hall 11, Stand F01)
At the EPC booth, visitors will experience firsthand how GaN FETs and ICs enable higher efficiency, smaller size and weight, and lower costs in applications such as DC-DC converters for high power density AI servers, motor drives for eMobility, robotics, and drones, and more.
- Use the Interactive Wall of GaN to select the ideal GaN FET or IC for your application
- Connect with EPC’s team of experts to gain insight into the ‘GaN First Time Right™ Design Process. Attendees will gain valuable knowledge and tools to enhance their projects and drive efficiency to new levels.
- Meet the Robots: “Chip”, the robot dog, and his robotic friends demonstrate GaN-based DC-DC, lidar, and motor drive solutions for advanced robotics.
Schedule a Meeting: Learn from GaN Experts and discover strategies to optimize your power systems. To schedule a meeting during PCIM Asia contact renee.yawger@epc-co.com
Conference Sessions: Attend technical sessions to gain insights from industry leaders into the latest trends and advancements in GaN power conversion technology.
- The Future of Untethered Robotics: GaN-Powered Solutions for Mobility, AI, and Machine Vision
Presenter: Alex Lidow, Ph.D. - Comprehensive Board Level Temperature Cycling Lifetime Projection of WLCSP GaN Power Devices
Presenter: Shengke Zhang, Ph.D. - Comparison of Board-side and Back-side Thermal Management Techniques for eGAN® FETs in a Half-Bridge Configuration
Presenter: Adolfo Herrera, Ph.D. - Validating Duty Cycle-Based Repetitive Gate and Drain Transient Overvoltage Specifications for GaN HEMTsHost: Bodo’s Power Systems
Presenter: Shengke Zhang, Ph.D.
“We are thrilled to participate in PCIM Asia and showcase our cutting-edge GaN technology”, said Nick Cataldo, VP of Sales and Marketing at EPC. “We look forward to demonstrating how our solutions are transforming industries by enabling higher efficiency, smaller size, and lower costs.”
Original – Efficient Power Conversion
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Efficient Power Conversion (EPC) announced that it has moved one step closer to achieving preeminence in the gallium nitride (GaN) power semiconductor industry, as its intellectual property rights to this revolutionary technology were upheld for the third time in three months. The next-generation wide bandgap semiconductors developed by EPC are essential to artificial intelligence (AI), satellites, fast chargers, lidar, humanoid robots and many other transformational technologies.
The U.S. International Trade Commission (ITC) found two of EPC’s key patents valid and one, the Company’s foundational patent, infringed by Innoscience (Zhuhai) Technology Co., Ltd. and its affiliate, Innoscience America, Inc. The ITC’s recommendation comes on the heels of two recent decisions from the China National Intellectual Property Administration (CNIPA), which similarly validated EPC’s counterpart patents in China. The ITC initial determination is a significant milestone in solidifying EPC’s leadership in wide bandgap semiconductors and could lead to a ban later this year on importation of Innoscience’s infringing products into the United States.
“The ITC’s finding that Innoscience uses our patented technology without authorization puts EPC in an enviable position, as U.S. and Chinese regulatory bodies have upheld the validity of our patents,” said Alex Lidow, CEO and Co-Founder of EPC.
“The Commission’s recommendations validate nearly two decades of hard work, resources and R&D that went into developing EPC’s uniquely valuable intellectual property portfolio,” Dr. Lidow added.
Over the last 15 years, EPC has capitalized on its first-mover advantage to develop a broad portfolio of over 200 GaN-related patents and over 150 products, which include its rapidly growing family of integrated circuits, automotive qualified and radiation hardened devices.
Compared with traditional silicon-based power devices, GaN represents a significant leap, with higher efficiency, faster switching speeds, smaller size and lower cost. GaN power devices are integral to self-driving vehicles, medical and communications devices, next-generation rapid chargers, drones, satellites, data centers, e-bikes, solar power systems and humanoid robots, among many other applications. Most notably, EPC’s cutting-edge semiconductors are central to powering the AI revolution by significantly freeing up space for extra computing power while simultaneously reducing energy consumption.
The ITC’s preliminary ruling found both U.S. patents that EPC asserted against Innoscience valid. It also found “infringement [by Innoscience] of U.S. Patent No. 8,350,294,” EPC’s foundational patent used broadly across multiple industries. The second EPC patent, U.S. Patent No. 8,404,508, was found valid, but not infringed by Innoscience. The Commission’s final determination is expected to be issued on November 5, 2024.
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Efficient Power Conversion Corp (“EPC”) announced that the China National Intellectual Property Administration (“CNIPA”) has validated the claims of EPC patent titled “Compensated gate MISFET and method for fabricating the same” (Chinese Patent No. ZL201080015425.X) for enhancement-mode GaN semiconductor devices.
The decision on April 30, 2024 follows an April 2, 2024 announcement from the CNIPA that confirmed the validity of key claims of EPC’s Chinese patent titled “Enhancement mode GaN HEMT device and method for fabricating the same” (Chinese Patent No. ZL201080015388.2). Both EPC patents were challenged by Innoscience (Suzhou) Technology Co., Ltd. (“Innoscience”).
Compared with traditional silicon-based power devices, GaN technology represents a transformational leap with higher efficiency, faster switching speeds and smaller size. GaN devices are used in artificial intelligence servers, self-driving vehicles, next-generation rapid chargers, drones, e-bikes, and humanoid robots, among other applications. Chinese Patent No. ZL201080015425.X covers the fundamental design and configuration of EPC’s proprietary enhancement mode GaN field effect transistors (FETs) with reduced gate leakage. Most industry participants employ the GaN gate technology covered by this patent.
“These are two of the foundational patents supporting our broad portfolio of innovations, and we are pleased that the CNIPA has again confirmed the validity of our valuable intellectual property,” said Alex Lidow, CEO and Co-founder of EPC. “Quick, fair and efficient decisions such as these reinforce the confidence in legal systems that companies need to operate globally.”
In May 2023, EPC filed complaints in the U.S. federal court in Los Angeles and in the U.S. International Trade Commission, asserting that Innoscience (Zhuhai) Technology Co., Ltd. and its affiliates infringe patents of its foundational patent portfolio, which include the U.S. counterparts of EPC’s Chinese Patent Nos. ZL201080015425.X and ZL201080015388.2. In response, Innoscience had petitioned the CNIPA to invalidate the two Chinese patents.
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Innoscience Technology welcomes, with thanks, two additional decisions, from March 26, 2024, by the United States Patent and Trademark Office (USPTO) to institute review of the validity of yet another two (and still additional) U.S. patents of Efficient Power Conversion Corporation (“EPC”).
The two additional U.S. patents, which are now under review at the USPTO, were previously asserted by EPC at the beginning of the legal dispute initiated by EPC in the U.S. International Trade Commission (ITC). During the course of that proceeding, however, EPC withdrew these patents, but Innoscience maintained its challenges of these patents at the USPTO.
In the March 26, 2024 decisions, the USPTO decided to institute the review of the validity of these two further U.S. patents, as previously asserted by EPC in the ITC proceeding. These new decisions to institute now supplement two other and prior decisions to institute by the USPTO, relating to the other two patents that are still asserted by EPC at the ITC.
Now, in all four decisions, the USPTO has concluded that “there is a reasonable likelihood that Petitioner [Innoscience] would prevail with respect to at least one of the claims challenged in the Petition.” Innoscience has achieved, via the preliminary decisions, a perfect 4-for-4 record at the USPTO.
Also, now all patents that were asserted by EPC now are under review by the USPTO. These new March 26, 2024 rulings by the USPTO are only the latest developments related to EPC’s misguided lawsuits against Innoscience, wherein EPC continues to struggle in its meritless attacks on Innoscience. In all four rulings now, including from March 20 and March 26, 2024, three judges from the USPTO have initially agreed with Innoscience, that the EPC patents that Innoscience challenged at the USPTO are invalid.
And, once again, in this new set, Innoscience again argued to the USPTO that the challenged EPC patent was invalid, based on a prior patent of an EPC cofounder/inventor when he was at International Rectifier, and on a preliminary basis, according to the institution decision, the USPTO agreed with Innoscience. In all four proceedings, Innoscience has described multiple reasons why the four EPC patents are invalid, and for virtually every argument on invalidity, the USPTO initially agreed. Next, the USPTO will receive additional briefing and make final determinations by March 26, 2025.
Innoscience is confident that it will achieve an eventual complete victory in the dispute with EPC. With these recent USPTO decisions of March 26, 2024, Innoscience continues to achieve successes in its legal dispute with EPC, and the additional USPTO decisions repeatedly demonstrate that EPC’s accusations against Innoscience lack merit, given that the USPTO has now determined, at least initially, that all four EPC patents asserted by EPC are likely invalid.
Original – Innoscience Technology
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According to the information on the official website of the China National Intellectual Property Administration (CNIPA) on April 2, 2024, the key claims 6, 9, 10, 13, 14, 17, 18 and 22-26 of the Chinese patent titled “Enhancement mode GaN HEMT device and method for fabricating the same” (Patent No. ZL201080015388.2) owned by Efficient Power Conversion Corp (“EPC”) have been maintained valid during an invalidation procedure (case number: 4W116775), which was requested by the petitioner Innoscience (Suzhou) Technology Co., Ltd. (“Innoscience”).
As compared with products using silicon-based devices, transistors and integrated circuits using GaN-based technology are superior in terms of higher efficiency, reduced weight and lower cost. The key claims which are held valid as mentioned above cover core technologies of the design and the manufacturing process of EPC’s proprietary enhancement-mode GaN-based power semiconductor devices. By virtue of multiple innovations including such technologies, EPC has successfully brought GaN-based power devices from laboratory to market.
In May 2023, EPC filed complaints before the US Federal Court and the US International Trade Commission (ITC), asserting that Innoscience (Zhuhai) Technology Co., Ltd. and its affiliate Innoscience infringed four patents of its foundational patent portfolio, which include the US counterpart of this Chinese patent ZL201080015388.2. As part of the responses to those complaints, Innoscience filed, in September 2023, a request to invalidate the EPC’s Chinese counterpart patent ZL201080015388.2 before the CNIPA.
Pursuant to the Chinese Patent Law, Innoscience may appeal this invalidation decision before the Beijing Intellectual Property Court within three months.
Original – Efficient Power Conversion
