+44 (0)24 7671 8970
More publications     •     Advertise with us     •     Contact us
News Article

Telcodium and Transphorm introduce first GaN-based redundant Power Supplies


AC Series replaces three-module power supply architecture with single power module with redundant AC feeds

Telcodium, a power supply design company, in collaboration with Transphorm, a GaN device maker, has released what is claimed to be the first redundant power supplies using GaN FETs.

Telcodium's AC Series replaces a typical three-module power supply architecture (two power supply bricks and one intermediate bus converter (IBC)) with a single power module with redundant AC feeds.

Telcodium's power module operates at 94 percent True System Efficiency (TSE) or higher-reducing average energy loss by 13 percent or more. To achieve the same TSE with the typical three-module power supply, the bricks and IBC would each need to yield a 97 percent efficiency-which exceeds the 80Plus Titanium specification and has yet to be demonstrated by any power supply manufacturer.

Further, the new lightweight (1.3kg) module is at 260 x 100 x 40mm, 30 percent smaller than the above mentioned two bricks and eliminates the standalone IBC-freeing considerable, critical space inside a host system.

This design pairs patented front-end circuitry with a JEDEC-qualified 650V GaN FET, available from Transphorm. 

The resulting AC Series enables datacentre, server and telecommunication manufacturers to develop smaller, high-performing systems that can virtually eliminate power supply-related failures. 

Search the news archive

To close this popup you can press escape or click the close icon.
Register - Step 1

You may choose to subscribe to the Power Electronics World Magazine, the Power Electronics World Newsletter, or both. You may also request additional information if required, before submitting your application.

Please subscribe me to:


You chose the industry type of "Other"

Please enter the industry that you work in:
Please enter the industry that you work in: