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Compact 8:1 fixed ratio digital IBC boosts power efficiency in AI data centres
F
lex Power Modules has launched the BMR323 — a new generation of non-isolated, unregulated Intermediate Bus Converters (IBCs) designed to meet the growing low-voltage, high-power demands of AI and cloud computing applications.
Delivering up to 1.2 kW peak power with a peak efficiency of 97.8 per cent, the BMR323 achieves over 60 per cent more power than its predecessor, the BMR320, while maintaining footprint compatibility. This allows existing designs to be easily upgraded, providing a way to meet rising continuous and peak power requirements with minimal redesign. Engineered for high power density and cost-effective implementation, the BMR323 provides 600 W continuous output power. Up to six units can be paralleled for a total output of up to 3.6 kW, with active current sharing ensuring efficient load distribution and system stability.
“The BMR323 combines outstanding efficiency with high peak power capability up to 7.2 kW with 6 units in parallel and the low output voltage enables high 2nd step
converter efficiency. Backed by Flex Power Modules’ proven high standards for testing and qualification, it offers a reliable, high- performance solution for next-generation data centre designs,” said Olle Hellgren, director, product management and marketing, Flex Power Modules.
The module operates from a 40–60 V input and delivers an unregulated 5–7.5 V output, housed in a compact 27.0 × 18.0 × 6.7 mm (1.06 × 0.71 × 0.26-inch) package, making it suitable for space-constrained designs. The BMR323 is compatible with Flex Power Designer, a software tool providing configuration, performance simulation, and monitoring features via a PMBus interface. The software is downloadable for free at
www.flexpowerdesigner.com.
A high-efficiency hybrid switching capacitor (HSC) topology combined with an open- frame design improves thermal performance, enabling better cooling and higher output power. The module is optimised for operation with a heatsink mounted on top of the device, but there is flexibility for other cooling methods to be used with the solution, such as
direct-to-chip liquid cooling.
The BMR323 also meets the latest IEC/ EN/UL 62368-1 safety standards and is
fully compatible with Pb-free SMD reflow processes for lead-free manufacturing and high-temperature soldering profiles.
https://flexpowermodules.com/products/mr323
New eBook on empowering European transportation industry with intelligent bus technology
A
dvantech, a provider of industrial communication solutions, has released a new eBook that explores how
intelligent bus technology is modernizing public transportation across Europe. The eBook outlines how data-driven solutions and robust hardware platforms can help operators, OEMs and city planners address operational efficiency, passenger experience and regulatory compliance. As transport systems evolve to meet sustainability targets and rising passenger expectations, the eBook provides a practical overview of the technologies enabling this transition, from real-time fleet monitoring and predictive maintenance to in-vehicle connectivity and automation. Drawing on decades of hardware innovation, the guide
www.cieonline.co.uk
explains how Advantech’s rugged, future- ready computing and connectivity platforms support the modern Intelligent Transport Systems (ITS).
The release of the eBook follows Advantech’s recent membership in the ITxPT (Information Technology for Public Transport) Association, a European standard for promoting open IT specifications for public transport. This reinforces the company’s commitment to interoperability and collaboration across the mobility ecosystem.
“Transport operators today are under pressure to cut costs, reduce emissions and offer a safer, more connected service,” said Stéphane Blanc, sales director Europe – transportation sector at Advantech. “This eBook outlines how intelligent hardware
solutions, when paired with the right software, can address all of these demands while supporting smarter, more integrated mobility
infrastructure”. The eBook
titled ‘Empowering Europe’s
Transportation
Industry: Advantech’s Intelligent Bus
Solutions’ is available for download here:
https://www.advantech.com/en/form/79476027-5fd1-4e0e-afa1-ab21470b0db7 Components in Electronics May 2025 9
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