The PCIM Expo & Conference 2025 in Nuremberg will gather global experts to showcase innovations and sustainability in power electronics from May 6-8. (Source: Mesago Messe Frankfurt GmbH / Arturo Rivas)
TRADE FAIR NEWS

PCIM Expo & Conference 2025: Diverse program offers future insights

From 6 to 8 May, Nuremberg will once again become the global center of power electronics: The PCIM Expo & Conference is poised to bring experts from all over the world together to help advance forward-thinking developments in this dynamic sector. The event will feature a one-of-a-kind overview of innovative products, solutions, and trends that are expected to play a major role in shaping the industry’s future.

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This article will discuss the Battery backup unit’s electrical and mechanical design considerations. (Source: Adriana - stock.adobe.com)
ARTICLE SERIES PART 1

Smart battery backup for uninterrupted energy: Electrical and mechanical design

This article outlines the system requirements for the Open Compute Project Open Rack Version 3 (OCP ORV3) battery backup unit (BBU). It emphasizes the importance of having an efficient and intelligent BBU that can provide energy during power outages. Additionally, it will showcase the analog and digital design solutions, electrical and mechanical solutions, and their architectures that are developed to meet the written specifications.

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Uninterrupted data center power hinges on a healthy battery system. Discover how a Battery Management System (BMS) optimizes battery performance and lifespan in this article.  (Source: Picza Booth - stock.adobe.com)
ARTICLE SERIES PART 3

Smart battery backup for uninterrupted energy: battery management system

This article describes the algorithm developed by Analog Devices for the Open Compute Project Open Rack V3 battery backup unit for the battery management system, an essential device of any data center battery backup unit. Its primary responsibility is to ensure the safety of the battery pack by monitoring and regulating its state of charge, health, and power. Because of this, it is important to design and implement the battery management system with great care as it is a complex and important component in the data center.

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Discover the DIAC, a bidirectional semiconductor device blending diode and thyristor properties, revolutionizing AC circuits with its unique structure, operation, and applications. (Source: © Hseyin - stock.adobe.com)
DIODES

DIAC: The bidirectional diode

Did you know that a DIAC is a combination of a diode and a thyristor? Despite structural and operational differences, diodes and thyristors can be combined to make a different device. In popular media, DIAC is sometimes called the diode of AC circuits. The article explains DIACs and their structure, operation, and applications.

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The tiniest power devices are not computer chips but tiny chargers found online. Unlike chips with billions of transistors, power chips are heavy and need more area to handle high power and dissipate heat. Therefore, miniaturization is less effective in the power industry. (Source: © Galeno - stock.adobe.com)
MOORE'S LAW

These are the 5 smallest power devices

The article lists the five smallest power devices. But does the miniaturization of power devices depend upon Moore’s law? Would the industry integrate trillions of transistors to perform simple operations like power conversion and control? The article also discusses Moore’s law’s impact on power devices.

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High-power devices like thyristors can fail sometimes. For example, they can turn off abruptly after turning on. High dv/dt and di/dt ratings in thyristors are among the main reasons for failure. Find out more about this here. (Source: ludodesign - stock.adobe.com)
THYRISTORS

How to prevent Thyristor failure?

Thyristors are known for their high-power handling capacity and latching-on property. However, they often fail during the turn-on and turn-off processes. If the dv/dt and di/dt are high enough, they are often the reason for failure. The article explains thyristor failure and potential solutions.

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