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Discover CGD's GaN reference designs: test ICeGaN® devices inserted into different topologies to evaluate them in real-world applications.

GaN Reference Designs | Cambridge GaN Devices 

Our reference designs represent final products in a number of different topologies & product categories in terms of packaging, performance, thermal and EMC characteristics.

Our ICeGaN® devices are designed into several products so you can get an understanding of how the device will perform in a real application, with the same volume restrictions and demands on thermal performance and power density.  Due to this approach test points may not be on all nets, access to all components may not be possible and in some cases disassembly may be needed to get full test access.

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Part Number

Applications

Reference Design

Topology

Power (W)

Output (V)

Frequency DC-DC (kHz)

Devices used

Dimensions (L x W x H, mm)

Where to buy

Reference Design - Half Bridge using ICeGaN® CGD65A055SH2

Reference Design - 1 kW Motor Drive using ICeGaN® CGD65A055SH2

Reference Design - Motherboard for ICeGaN® based IPM 

Reference Design - 650W IPM using ICeGaN® CGD65A055SH2   

Reference Design - 3 kW Totem-Pole PFC using ICeGaN® CGD65C025SP2

CGD-AN2201-ICeGaN in LLC Application Note.pdf

CGD-AN2201-ICeGaN in LLC Application Note

AN2206-Current Sensing with ICeGaN Application Note.pdf

CGD-AN2206-Current Sensing with ICeGaN™ Application Note

CGD-AN2207-ICeGaN_ HEMT PCB Layout Guide.pdf

CGD-AN2207-ICeGaN HEMT PCB Layout Guide

AN2302-How to use ICeGaN.pdf

CGD-AN2302-How to Use ICeGaN

CGD-AN2402-ICeGaN BHDFN package.pdf

CGD-AN2402-ICeGaN BHDFN package

Application Notes

CGD-WP2201-A Novel Technology for Integrated Power GaN .pdf

CGD-WP2201-A Novel Technology for Integrated Power GaN

CGD-WP2202-Thermal Advantages of ICeGaN.pdf

CGD-WP2202 - Thermal advantages of ICeGaN

Whitepapers

CGD-UG2201 Application Interface Board User Guide.pdf

CGD-UG2201_Application Interface Board User Guide

CGD-UG2202-Half Bridge Board User Guide

CGD-UG2204-350W LLC Evaluation Board.pdf

CGD-UG2204-350W LLC Evaluation Board

UG2401-TOTEM POLE PFC + LLC 300W REFERENCE DESIGN.pdf

CGD-UG2401-TOTEM POLE PFC + LLC 300W REFERENCE DESIGN

UG2403 65W Quasi-Resonant Flyback Reference Board.pdf

CGD-UG2403 65W Quasi-Resonant Flyback Reference Board

User Guides

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Management Team

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Fabio Necco is CEO of Cambridge GaN Devices. Fabio brings 28 years of experience in the power electronics industry, where he has held executive leadership roles in publicly traded companies. During his career, Fabio incubated several business units and grew each one to exceed $500M annual revenue. Most recently, Fabio comes from onsemi, where he served as Vice President of the Power MOSFET division. Prior to onsemi he served at Fairchild as Director of Hybrid and Electric Vehicle and at International Rectifier as Technical Marketing and Application Engineering Manager. Fabio started his career as a hardware design engineer at Magneti Marelli and holds 3 patents in power electronics-related applications.

Driven by passion for sustainability and making a positive impact on the world, Fabio will continue to lead the mission started by CGD founders to bring advanced, energy-efficient power electronics solutions in AI Data Centre, Automotive and Industrial. Fabio will focus on accelerating growth for CGD, by developing disruptive solutions that benefit CGD customers, communities and the planet.

Fabio earned an MSEE at Italy’s oldest technical university, Politecnico di Torino, and a certificate in Project Management from UCLA.

Chief Executive Officer (CEO)

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Dr. Giorgia Longobardi, founder and CMO of Cambridge GaN Devices (CGD), is an accomplished engineer and business leader with nearly two decades of experience in power semiconductors and high-efficiency power electronics. As the inventor of several high-impact patents in GaN power devices, she combines deep technical expertise with strong commercial acumen—one of her greatest strengths.

Driven by curiosity and a passion for making a positive impact, Giorgia founded CGD to bring advanced, energy-efficient power electronics solutions to market. Under her leadership, CGD has raised over $65 million in private and public investment and launched multiple GaN-based power device products into mass production. Her vision includes one day driving an electric vehicle powered by CGD technology and using ICeGaN to help make AI more sustainable by reducing its environmental footprint.

Giorgia serves on the Energy Management Committee of the Power Sources Manufacturers Association (PSMA) and the Advisory Board of the International Semiconductor Industry Group (I.S.I.G.).

Founder and Chief Marketing Officer (CMO)

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Prof. Florin Udrea, CTO of Cambridge GaN devices (CGD), is recognised as a multi-talented individual in the field of semiconductors. Besides being a professor in semiconductor engineering at the University of Cambridge, he is also the head of the High Voltage Microelectronics and sensors group, founder of other semiconductor companies, passionate about driving strategy forward, a mastermind for innovations, and holds more than 200 international patents in power semiconductor devices and sensors. Florin has been a Fellow of the Royal Academy of Engineering in the UK since 2015.

With his experience and technical know-how, Florin is helping turn CGD into an innovative company. Besides CGD, he has founded other successful semiconductor companies: Cambridge Semiconductor (Camsemi) in power ICs, sold to Power Integrations; Cambridge CMOS Sensors (CCS) in the field of smart sensors, sold to AMS; Cambridge Microelectronics in Power Devices; and Flusso Ltd. in flow and temperature sensors.

In 2018, Florin was awarded the Pro-Vice-Chancellor Award from Cambridge University, the Nanosmat Medal, and the prestigious Mullard Award from The Royal Society.

Florin never lets an opportunity pass by and will diligently pursue any new ideas. Although he knows and teaches theory, a moment of pride for him is when things come to life. With CGD and its products, he is painting the future in a brighter colour, and this is what Florin is leading by working with semiconductors.	

Founder and Chief Technology Officer (CTO)

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Owen has extensive experience working in senior finance positions within the semiconductor industry. Before joining CGD, Owen worked at Arm in various roles, including leading the financial reporting team, financial planning, business partnering, and M&A.

He started his career at KPMG in the Audit capacity, working across the middle market sector, including SME technology clients. He then joined the KPMG Operations Strategy Group where he worked on several rapid value diagnostic projects.

Owen is an ICAEW Fellow (FCA) and holds an MA (Cantab) in Geography from the University of Cambridge.

Chief Financial Officer (CFO)

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Henryk Dabrowski has over 30 years experience in technology design, commerce and sales leadership. Having held senior roles as Vice President of Sales, Henryk has been responsible for working with customers to introduce the most robust, effective and innovative technological solutions.

Prior to joining CGD in 2024, Henryk led the sales and applications teams for Vicor across EMEA, building an organisation reflecting the local business requirements needed to drive growth in the adoption of power efficient designs. He has held commercial roles at semiconductor businesses Texas Instruments and Infineon, and business development roles at European components distributor Rutronik. 

Henryk is a Chartered Engineer (CEng) with the Institute of Engineering and Technology (IET) and the Engineering Council UK.

SVP Global Sales

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Simon has nearly 30 years’ experience in the semiconductor industry having worked in a variety of engineering and senior leadership roles spanning R&D, Quality, Manufacturing, Test and Operations. His roles have ranged from leading and developing the talent of <10 people in highly skilled, highly focused, start up teams to >100 people in multi-region, multi-cultural, cross-functional teams.

Throughout his career he has gained a breadth of fabless and IDM experience from working with AI processors at Graphcore, environmental sensors at ams and CCS, mixed signal RF at CSR, III-V photonics at Agilent Technologies and DRAM memories at Fujitsu. 

Applying his knowledge and commitment to disruptive thinking, Simon has successfully filed >20 patent applications, covering every technology in which he has worked.

Simon brings a wealth of experience in driving innovative solutions, operational excellence and sustainable growth which will be leveraged in his role as COO at CGD.

Chief Operating Officer (COO)

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Robin has more than 30 years' experience in the analogue and power electronics industries. From the beginning of his career in electronics engineering as a designer in the professional audio industry, he moved into the power semiconductor and applied technologies sectors. He gained experience in high reliability power semiconductors at Semelab, innovative gate driver solutions at Amantys and high voltage, megawatt scale power semiconductors and EV power inverter technology at Dynex. 


His career has developed from analogue and power system design to applications engineering and engineering management. As CTO at Dynex Semiconductor, he gained experience in managing large teams of power semiconductor chip designers, power module packaging design and their application into high power systems.

Robin's experience in this multi-discipline power electronics engineering environment is the ideal background to take the CGD design, test and applications engineering teams forward in the fast-developing world of GaN power semiconductors.

VP Research and Development

Board of Directors

Prof. Florin Udrea, CTO of Cambridge GaN devices (CGD), is recognised as a multi-talented individual in the field of semiconductors. Besides being a professor in semiconductor engineering at the University of Cambridge, he is also the head of the High Voltage Microelectronics and sensors group, founder of other semiconductor companies, passionate about driving strategy forward, a mastermind for innovations, and holds more than 200 international patents in power semiconductor devices and sensors. Florin has been a Fellow of the Royal Academy of Engineering in the UK since 2015. 

With his experience and technical know-how, Florin is helping turn CGD into an innovative company. Besides CGD, he has founded other successful semiconductor companies: Cambridge Semiconductor (Camsemi) in power ICs, sold to Power Integrations; Cambridge CMOS Sensors (CCS) in the field of smart sensors, sold to AMS; Cambridge Microelectronics in Power Devices; and Flusso Ltd. in flow and temperature sensors

In 2018, Florin was awarded the Pro-Vice-Chancellor Award from Cambridge University, the Nanosmat Medal, and the prestigious Mullard Award from The Royal Society

Florin never lets an opportunity pass by and will diligently pursue any new ideas. Although he knows and teaches theory, a moment of pride for him is when things come to life. With CGD and its products, he is painting the future in a brighter colour, and this is what Florin is leading by working with semiconductors

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Pete Hutton is an Angel investor, Advisor, and Chairman for several start-ups and scale-ups in Cambridge, Edinburgh, London, and Oxford. His previous full-time role was as President of product groups at Arm where he was responsible for all product development, marketing, and licensing. This covered 3,500 staff in > 25 global locations and worked closely with a range of international partners. In his three years in the role, revenue increased by around 50% (> $500m).

Before that, Pete held senior positions within other Arm divisions, ran corporate engineering for Wolfson, and was general manager for processors at ARC and a group director for Cadence.

Chair

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John has worked in equity investment for over 20 years with experience both on the advisory side as Head of Global Capital Goods equity research at Merrill Lynch and on the fund management side as a Partner at Adelphi Capital LLP.

John has a Double First in Engineering from St John’s College, Cambridge and an MBA with Distinction from INSEAD.

Director (Parkwalk Advisors)

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Dennis joined BGF in 2021, based out of London and focuses on investments across the ClimateTech and sustainability landscape. He has been active in venture capital for over 20 years as an investor across Europe, the US, and Asia for Softbank and DFJ ePlanet Capital.

Dennis has also consulted Pond Venture Partners in London and San Jose. Dennis has a physics background, beginning his career working on global information systems in the earlier days of the Internet before moving into venture capital and has been involved in almost 100 transactions since.

He holds a First Class Honours Bachelor of Science Degree in Physics from Exeter University and a Master of Business Administration from Harvard Business School.

Director (BGF)

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Ed co-founded IQ Capital in 2006 and has over 20 years of deep-tech venture capital experience. Originally an engineer, he founded his first venture capital firm in 1996, investing in the first wave of UK internet companies, and he has focused on early-stage technology investing ever since. Ed specialises in leveraging the subtle interactions between developing disruptive technology, discovering product-market fit, and optimising business strategy, recognising that the most successful businesses can seamlessly integrate these activities from the start. Ed works with Paragraf, Senseye, Speechmatics, TurinTech, Imandra, causaLens, and previously with Privitar as their first VC investor.

Ed is a regular contributor to Forbes, commenting on the broader effects of disruptive technologies and on how society could and should respond, and he has a passion for identifying the critical disruptive technologies of the future.

Director (IQ Capital)

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Ian was a Director at Unilever Ventures in London before joining CIC, where he led all B2B/Technology investments. Over 11 years he was responsible for numerous transactions across Europe and North America, including investments into Olapic (acquired by Monotype Inc), Mirakl, Aera Technology, Skupos, WeGift, Celtra, CreatorIQ, Mirriad (Listed on AIM) and Blis Global. Prior to Unilever Ventures, Ian worked at L.E.K. Consulting in London and Australia, working on strategy consulting and private equity due-diligence projects.


Ian has PhD in Physical Chemistry from the University of Cambridge and Msci in Chemistry from Bristol University.

Director (Cambridge Innovation Capital)

Strategic Advisory Board

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Alain is a 30-year semiconductor industry veteran. He received his PhD in 1989 from the Institut National des Sciences Appliquées (INSA) de Toulouse (France) for his work on optical lithography for microelectronics.

Throughout his international career, Alain was involved in most of the critical technology changes of the semiconductor industry, from subwavelength pattern printing to larger wafer (300mm) technology development to power efficiency and introduction of wide bandgap semiconductors.

His international career started driving optical lithography efforts at the Motorola Mesa site (AZ, USA) and later at the ST-Microelectronics factory in Carrollton (TX, USA). He later joined the Motorola-Siemens’ joint venture in Dresden, pioneering 300mm silicon manufacturing in Dresden, Germany, and was part of the team that produced the first 64Mbit DRAM on 300mm wafers in 1998. He then managed Fab5 and Fab3 engineering teams in Singapore at Silicon Foundry Chartered Semiconductor (today Global Foundries). 
In 2003, Alain joined the International Rectifier power device technology development team in Newport (Wales, UK) to head the silicon technology development team for all discrete power devices from the company headquarters in El Segundo, CA, USA. After Infineon acquired International Rectifier, Alain took worldwide responsibility for the Gallium Nitride technology development initiative.

In 2021, he founded his power semiconductors consulting company.

Reference Designs

CGD ICeGaN® Devices in Product Designs That Meet Form, Fit & Function Requirements

Reference Designs List

Documents