Dear Friends,

My WBG Event last week was a great success, and I want to thank everyone involved from the bottom of my heart. First and foremost, my gratitude goes to our partners and sponsors, who once again made it possible to host the event at the beautiful Hilton Munich Airport. This event simply cannot take place without your support.

But even the best venue would be meaningless without strong and valuable contributions. I truly enjoyed the opening session with my fellow experts, who addressed questions from the audience and shared deep insights into how SiC and GaN are enabling modern power-system design. The second day was packed with crucial information delivered by more than 40 speakers. I wish I could have attended every session. All attendees got the proceedings included in the digital conference bag.

I would also like to thank my team for putting so much passion into what began as an idea many years ago. My goal was, and still is, to bring together leading industry players and the engineers to overcome barriers of new technology who are building the next generation of WBG designs. Looking back at last week, I believe we are well on track. In fact, discussions with the Hilton for the first week of December 2026 are already underway.

For now, I wish you and your families a Merry Christmas and a Happy New Year 2026. It will be a very special year for your favorite power electronics magazine…

Find all magazines from 2006 on in the free archive on my website. Do not miss our Chinese version bodospowerchina.com. There is no better way to communicate. We all share one world. As a publisher I serve the world: one magazine, on time, every time.

Merry Christmas,

Bodo Arlt
editor@bodospower.com

Silicon Valley Headquarters and Munich R&D Office opened
Empower Semiconductor announced an expansion of its global operations with the opening of its headquarters in Milpitas, California, and the establishment of a dedicated research and development (R&D) center in Munich, Germany.
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Power Partnership for in-orbit AI Processing
Vicor has partnered with Spacechips, developer of space-electronics solutions for satellites and spacecraft, to design power-dense, reliable transponders for in-orbit AI processing. Spacechips’ AI1 transponder is radiation-tolerant, rugged and compact featuring Vicor’s FPA power modules (Factorized Power Architecture).
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Strategic Partnership to accelerate GaN Adoption in India
Navitas Semiconductor and Cyient Semiconductors, a provider of ASIC, ASSP and power solutions, have announced a strategic long-term partnership intended to advance the adoption of GaN technology in India and establish a complete, end-to-end GaN ecosystem.
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Foundry Service for SiC MOSFETs
Through its XbloX platform, the analog/mixed-signal and specialty foundry X-FAB is offering direct access to a standardized yet flexible set of SiC process technologies that accelerate the development of advanced power devices.
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GaN Communications Manager appointed
As of January 1, 2026 Maurizio Di Paolo Emilio will become Director of Global Marketing Communications of EPC – Efficient Power Conversions. Maurizio holds a Ph.D in physics and is a content editor & technical writer, who has put specific focus on power electronics, wide bandgap semiconductors, renewable energy as well as space electronics.
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CWIEME Berlin unveils Electric Motor Forum
CWIEME Berlin, an event for coil winding, transformer, electric motor and e-mobility technologies, has announced the launch of the Electric Motor Forum, a brand-new feature debuting at the 2026 edition of the show in Berlin, May 19 - 21.
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Viewpoint
Dare to participate in the 2026 Challenge!

Guest Editorial
Productronica 2025 Drives Positive Industry Trend

Cover Story
Improve Motor Lifetime & Efficiency with Slew Rate Control Gate Drive Optocoupler

Variable Speed Drives (VSD) uses Pulse Width Modulation (PWM) technique in modern electrical drives in industries where precise control of motor speed and efficiency are paramount. PWM technique controls the amount of power delivered to electrical devices by modulating the width of pulses in a square wave signal. While PWM offers precise control and efficient power management, its implementation can significantly affect the rate of change of voltage over time (dv/dt) in electrical drives. The primary mechanism through which PWM affects dv/dt is by introducing rapid voltage transition, leading to higher peak voltage level.
By Chun Keong Tee, Product Manager of Isolation Products Division, Broadcom

Power Supply
Improving Voltage Regulation in a Buck Converter with Isolated Output

One or more isolated outputs can be easily added to a buck converter, representing a cost-effective alternative to push-pull or flyback topologies for power levels below 15 W. However, the added isolated outputs are not directly regulated, and the final output voltage obtained is influenced by several component and operating parameters. Which are these parameters? And which design considerations are necessary to ensure the isolated output voltage(s) remain close to their target levels over the full load range? The answers are provided in this article.
By Eleazar Falco, Senior Application Engineer, Würth Elektronik

Driver ICs
Enabling flexible, high efficiency designs
A new family of Gate Driver ICs for Automotive Traction Inverters

The growing adoption of e-mobility is driving significant demand for power electronics, particularly inverters. Since these systems depend on high-performance power modules to achieve their efficiency targets, manufacturers are intensifying their efforts to enhance this crucial component. To improve overall performance, many are replacing traditional Si-IGBTs with SiC-MOSFETs and adopting more advanced packaging technologies and innovative design processes.
By Lan Fang (Corresponding author), Christopher Wille, Thoralf Rosahl, Andreas Menzel, all Robert Bosch GmbH

DC/DC Converter
Solving DC/DC Power Challenges in Military Avionics Through Modularity (Part 3)

Following our exploration of military standards and practical transient suppression, we now turn to a common challenge in switch-mode power supply (SMPS) design: containing conducted noise. In this article we will explore conducted noise paths and filtering techniques. Traditionally, managing bus interruptions has relied on large bulk capacitors to maintain energy on the primary side. In this third part of the series, we examine how GAIA-converter’s approach - embedding a boost converter within a board-mounted module - reduces the required capacitor value for a given hold-up time.
By Christian Jonglas, Technical Support Manager, GAIA Converter

Automotive Power
Reliability Features of Power Electronics as an SOA Component for Sustainable Automotive Development

The article outlines how digital twins, predictive control, neural networks and Power-HIL turn power electronics into active SOA components, adding reliability and lifetime benefits to sustainable automotive systems.
By Oleksandr Solomakha, Chris Hermann, Diego Kuderna Melgar, Valentyna Afanasenko, Dominik Koch, Ingmar Kallfass, Institute of Robust Power Semiconductor Systems, University of Stuttgart, Germany

Power Management
DC-Link Management for Regenerative Servo Drives: Brake Choppers, Sizing, and EMI Pitfalls

DC-link management is the discipline that keeps energy on the DC bus of a regenerative servo drive safe, stable, and useful. Braking events can push bus voltage up in milliseconds, and poor design can turn that energy into trips, heat, or electromagnetic noise instead of productivity. The hook is simple. Every deceleration either pays you back or punishes you.
By Rene Ymzon, Marketing Manager, Advanced Motion Controls

EMC
Designing for Speed: What OEMs need to know when integrating high-speed Drives

Our accelerating world calls for ever faster motors. From wastewater treatment to data centers, industries all over the world are scaling up to meet bold challenges and increasing demand. Original equipment manufacturers (OEMs) are responding with upgraded technology, to provide their industrial clients with the efficient performance they need so they can scale. As a result, we’re seeing the rise of a new generation of high-speed industrial applications – defined by high-speed motor frequencies of 120 Hertz (Hz) and over. This article explains why specialized variable speed drives (VSDs) are needed to work with these applications.
By Juha Saukko, OEM Sales Manager - Segment Compressors, ABB

Power Supply
Addressing Power Supply Systematic Failures - Part 1: Using Output Discharge

By improving the robustness and systematic capability of power supply blocks, related systematic failures are eliminated. The first part of this series discusses three power supply solutions for a common systematic failure, which is related to output discharge when using LDOs.
By Bryan Angelo Borres, Senior Product Applications Engineer, and Ino Lorenz Ardiente, Senior Systems Design Engineer, Analog Devices

SEMICON Japan, Tokyo, Japan, December 17-19 semiconjapan.org

CES, Las Vegas, NV, USA, January 6-9 ces.tech

NEPCON, Tokyo, Japan, January 21-23 nepconjapan.jp

Battery Tech Expo France, Lille, France, February 5 batterytechexpo.fr

SiC MOSFET Family extended
Infineon Technologies launches packages for the CoolSiC™ MOSFET 750 V G2 technology for high system efficiency and power density in automotive and industrial power conversion applications.
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SiC MOSFETs in TOLL package
ROHM has begun mass production of the SCT40xxDLL series of SiC MOSFETs in TOLL (TO-Leadless) packages. Compared to conventional packages (TO-263-7L) with equivalent voltage ratings and on-resistance, these packages offer approximately 39 % improved thermal performance.
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MOSFET for 48 V Hot Swap Applications in AI Servers
Alpha and Omega Semiconductor announced its AOLV66935, a 100 V High Safe Operating Area (SOA) MOSFET in an LFPAK 8x8 package. This MOSFET is designed as a solution for 48 V Hot Swap architectures in AI servers.
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Snubber for SiC Power Module
Melexis announced the MLX91299, a silicon-based RC snubber designed to enhance the performance of silicon carbide power modules. It supports automotive and industrial high-voltage power applications and helps engineers mitigate voltage spikes and oscillations to improve system reliability and efficiency.
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200 V MOSFET switches 480 A
Littelfuse released the MMIX1T500N20X4 X4-Class Ultra-Junction Power MOSFET. This 200 V, 480 A N-channel MOSFET features a low on-state resistance of 1.99 mΩ, enabling higher conduction efficiency, simplified thermal management, and improved system reliability in power-dense designs.
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3300 V and 2300 V Silicon Carbide Devices
Navitas Semiconductor announced the sample availability of its 3300 V and 2300 V ultra-high voltage (UHV) products in power module, discrete and known good die (KGD) formats.
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Gap Filler Gel for Thermal Management
The Chomerics Division of Parker Hannifin Corporation introduced THERM-A-GAP&trade: GEL 120, a one-component, dispensable, thermal interface material with a high thermal conductivity performance.
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Film Capacitors for the Mains Input
Würth Elektronik introduced a series of WCAP-FTY2 film capacitors which is optimized for use in mains noise suppression and complies with X1 or Y2 safety classes in accordance with IEC 60384-14.
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MLCCs in compact 3225M for rated Voltages of 1.25 kV
Murata started mass production of its multilayer ceramic capacitor (MLCC) featuring a capacitance of 15 nF, a rated voltage of 1.25 kV, and C0G characteristics in the compact 3225M (3.2 mm x 2.5 mm / 1210-inch) size.
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Foil Resistor Series for High-Precision, High-Power Applications
Bourns released four Riedon™ Foil Resistor Series. The FPM Series, FPV Series, FWP2324 Series and FPY Series are designed for high-precision, high-power applications. The foil resistors can achieve up to 1 ppm/°C and ±0.005 percent TCR and minimal long-term drift.
Read more ...

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