Dear Friends,

Here comes the August issue, bringing you the latest updates in power electronics. I can imagine some of you reading this while on vacation, a great time to stay up to date! We're working hard to provide you with news and technical insights from across the industry. Looking at the lineup of articles below, it's clear how much you value this commitment. A huge thank-you goes out to each and every author - past, present, and future - for submitting your work to us. We truly appreciate your contributions!

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. As a publisher I serve the world: one magazine, on time, every time.

Kind Regards,

Bodo Arlt
editor@bodospower.com

dataTec Innovation Day
dataTec and selected partner companies are hosting an Innovation Day on September 25, 2025, in Stuttgart - bringing together theory, practice, and product worlds. Experience the latest developments up close and discover how ideas turn into real solutions.
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Collaboration to advance next-generation GaN Device
Silvaco Group announced a strategic R&D collaboration with Fraunhofer Institute for Silicon Technology (ISIT). The partnership aims to accelerate development of next-generation Gallium Nitride devices using Silvaco's Power Devices Solution to perform Design Technology Co-Optimization (DTCO).
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Power Management IC Textbook
Wiley-IEEE Press has published "Design of Power Management Integrated Circuits" by Bernhard Wicht. Spanning 457 pages, this book delivers an in-depth exploration of both foundational principles and cutting-edge innovations in power management integrated circuits (PMICs).
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Acquisition to expand T&M Portfolio for Power Electronics
Rohde & Schwarz has acquired ZES ZIMMER Electronic Systems GmbH. The privately owned company based in Oberursel/Germany, has been designing, developing and manufacturing high-precision power measurement equipment for four decades.
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Supervisory Board appoints Alexander Gorski Chief Operations Officer
Dr. Rutger Wijburg, Member of the Management Board and Chief Operations Officer (COO) of Infineon Technologies, will resign from his position at the end of the fiscal year on 30 September 2025 at his own request and will retire after being a member of the Management Board of Infineon Technologies and Chief Operations Officer since April 2022. The Supervisory Board has appointed Alexander Gorski as his successor, effective as of 1 October 2025.
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Steve Sanghi to Continue as CEO and President
Microchip Technology Incorporated announced that Steve Sanghi has agreed to continue to serve as the company's Chief Executive Officer and President on a permanent basis. Mr. Sanghi had been serving in such roles on an interim basis since November 2024.
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CWIEME Berlin Closes with Record Energy, Innovation and Collaboration
The event for coil winding, insulation and electrical manufacturing brought together industry leaders, engineers, academics and future talent to shape the future of electrical manufacturing. Welcoming a visitor footfall of 12,500+, including representatives from Hitachi, Hyundai, LG Electronics, Logitech, NIDEC, Nike, Bosch, Rolls-Royce, Schaeffler, Schneider Electric, Siemens, Tesla, Toshiba, Toyota and more.
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Viewpoint
E-Power will be moving us

Product of the Month
Off-the-Shelf Radiation-Hardened 15W DC-DC Power Converter for Space Applications

Cover Story
Silicon Carbide Inverter Solutions
Enabling Functionally Safe Drivetrain Design Using Certified Components

Due to growing concerns about climate change and energy efficiency, inverter-based electrification is transforming the automotive industry, as well as off-road vehicles and hydraulic machinery. Additionally, today's vehicles are no longer regarded as merely machines of mobility; rather, they offer unprecedented functionality and user experiences ranging from improved fuel efficiency, reduced carbon emissions to sophisticated features like advanced driver assistance systems (ADAS) and smart infotainment. At the heart of this transformation lies a growing reliance on semiconductors, electronics, and software interfaces.
By Mashood Nasir, Ph.D., Power Design Engineer, and Etienne Vanzieleghem, VP Engineering & Operations, CISSOID

Protection
Part 1: Achieving Galvanic Isolation and Protection in High-Performance Systems with Solid-State Isolators

Achieving reliable galvanic isolation and integrated protection is increasingly critical in high-voltage industrial systems. Part One of this two-part series introduces solid-state isolators (SSIs) based on coreless transformer technology, highlighting how they combine compact form factors with fast switching, robust isolation, and built-in protection features. It covers device architecture, energy transfer mechanisms, and integrated protection functions, including overcurrent, overtemperature, and dynamic Miller clamping. Lastly, it reviews relevant industry standards and application targets across industrial automation, power distribution, and smart building systems.
By Davide Giacomini, Director of Marketing, Power IC Group, and Sameh Snene, Product Applications Engineer, both Infineon Technologies

Power Modules
HV-IGBT Module for High-Performance Inverter Design

This article provides an overview of Mitsubishi Electric's newly developed XB-Series High Voltage Insulated Gate Bipolar Transistor (HV-IGBT) modules. The series achieves lower switching losses and enhanced reliability through the adoption of 7th-generation Si IGBT (CSTBT™) and Relaxed Field Cathode (RFC) diodes compared to the previous series. During development, particular focus has been placed on both loss reduction and robustness, contributing to improved inverter efficiency and longer thermal cycling lifetime. These modules are suited for large industrial systems such as railways and medium-voltage drives.
By Victor Tolstopyatov, and Nils Soltau, Mitsubishi Electric Europe B.V., Germany
and Shuhei Saito, Hironaka Yoichi, Mitsubishi Electric Corporation, Japan

Power Quality
PFC Control Methods Overview

Power factor correction (PFC) is required for an AC/DC power supply with input power greater than 75W, as it forces the input current to follow the input voltage such that the electronics load appears to be a pure resistor. Many different PFC control methods have been developed, each has its pros and cons, and different PFC topologies may use different control methods. This article gives an overview of the most popular PFC control methods.
By Bosheng Sun, Systems Engineer, Texas Instruments

Magnetic Components
Introducing the Loss Cost Factor: A New Benchmark for Magnetic Material Selection

Comparing magnetic material grades across various vendors and technologies can be challenging. While technical performance, specifically magnetic properties for power applications, is one critical consideration, cost differences also significantly influence selection decisions. In this article, we introduce a figure of merit called the Loss Cost Factor (LCF), which integrates these factors into a single parameter. The LCF enables a fair, consistent, and straightforward comparison across diverse magnetic materials, simplifying the material selection process.
By Mauricio Esguerra, CEO, and Ibrahim Ellithy, Materials Development Department, both Magment GmbH

Power Supply
Designing Power Supplies for Industrial Functional Safety - Part 1: What IEC 61508 Tells Us

This article focuses on insights about the functional safety requirements for such elements of electrical/electronic/programmable electronic (E/E/PE) safety-related systems (SRS). This is accomplished by showing what the basic functional safety standard requires from power supplies in industrial applications.
By Bryan Angelo Bores, Senior Product Applications Engineer, and Noel Tenorio, Product Applications Manager, both Analog Devices

The Battery Show Asia, Hong Kong, China, July 15-17 thebatteryshow.asia

Mobility Tech Asia, Hong Kong, China, July 15-17 mobilitytech.asia

IEEE PEDS, Penang, Malaysia, July 21-24 ieee-peds.org

IEEE IPFA, Penang, Malaysia, August 5-8 ipfaieee.org

World Battery & Energy Storage Industry Expo, Guangzhou, China, August 8-10 battery-expo.com

EMC+SIPI, Raleigh, NC, USA, August 18-22 emc2025.org

The smarter E South America, Sao Paulo, Brazil, August 26-28 thesmartere.com.br

ECCE Europe, Birmingham, UK, August 31 - September 4 ecce-europe.org

I.S.E.S. EU, Dresden, Germany, September 3-4 isesglobal.com/summits

PCNS, Sevilla, Spain, September 9-12 pcns.events

SEMICON Taiwan, Taipei, Taiwan, September 10-12 semicontaiwan.org

GaN FETs for High-Density Power Conversion
Renesas introduced three high-voltage 650 V GaN FETs for AI data centers and server power supply systems including the 800 V HVDC architecture, E-mobility charging, UPS battery backup devices, battery energy storage and solar inverters. Designed for multi-kilowatt-class applications, these 4th-generation plus (Gen IV Plus) devices combine GaN technology with a silicon-compatible gate drive input, significantly reducing switching power loss while retaining the operating simplicity of silicon FETs.
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Digital Controller for GaN Totem Pole PFC
Wise Integration release to production its first fully digital controller, WiseWare® 1.1 (WIW1101) based on the MCU 32 bits. This device enables high-frequency operation up to 2 MHz, unlocking new levels of power density, efficiency, and form factor in compact AC/DC power converters.
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180 W GaN Buck Converter Evaluation Board for USB PD Applications
Efficient Power Conversion Corporation (EPC) introduced the EPC91109, a high-performance evaluation board designed to demonstrate the benefits of eGaN® FETs in a compact, thermally efficient, two-phase synchronous buck converter. Targeting USB Power Delivery (USB-PD 3.1) applications up to 180 W, the EPC91109 is optimized for space- and power-constrained designs such as laptops, portable devices, and battery-powered systems.
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1600 V IGBTs for energy-conscious Appliance Markets
STMicroelectronics' STGWA30IH160DF2 IGBT combines a breakdown-voltage rating of 1600 V and a maximum junction temperature of 175°C with a current rating of 30 A in high-power applications, including induction heaters and cookers, microwave ovens, and rice cookers.
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Power Inductors in a Performance Version
The WE-XHMI Performance series extends Würth Elektronik's family of power inductors with improved versions in sizes 1010, 1060, 6030, and 6060. The magnetically shielded flat-wire inductors support saturation currents of up to 114 A while reducing DC losses for even more efficient operation.
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DC Meters for High-Power and Megawatt Charging
Isabellenhütte introduces the IEM-DCR, the second generation of DC meters that meet the requirements of accurate energy measurement for charging infrastructure and legally compliant billing. Isabellenhütte currently offers several versions of the DC meter.
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ESD Protection Diodes for 48 V EV Communications Networks
Nexperia introduced "the industry's first ESD diodes designed to protect 48 V automotive data communications networks against the destructive effects of electrostatic discharge (ESD) events".
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Compact MOSFET for Fast Charging Applications
ROHM has developed a 30 V N-channel MOSFET named AW2K21 in a common-source configuration that achieves "an industry-leading ON-resistance of 2.0 mΩ (typ.) in a compact 2.0 mm × 2.0 mm package".
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Series of DC Energy Meters for Fast and Megawatt EV Chargers
LEM introduced the DCES600 and DCES1500 meters to enable DC charging infrastructure manufacturers to design both fast and megawatt charging solutions, with kilowatt-hour (kWh) billing services in applications up to e-truck charging.
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Power Supply Unit for Flux Gate Technology Current Transducers
Danisense has introduced the DSSIU-1-V, a low-noise power supply and interface unit designed to support a range of its flux gate current transducers (DCCTs). Featuring an industry-standard D-sub-9 connector, the DSSIU-1-V unit measures 130 mm x 116 mm x 56 mm and is equipped with an integrated Voltage Output Module (VOM), which precisely converts the measured current into a voltage output via a BNC connector.
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