comment on this article

Radiation-hardened power converters

Microchip Technology is expanding its SA50-120 power converter family with nine new units based on its Commercial Off-the-Shelf (COTS) technology.

This technology provides developers with space-qualified power converters that help to minimize risk and lower development costs,

These SA50-120 radiation-hardened DC to DC power converters – the only standard non-hybrid space-grade DC-DC power converters available – utilize surface mount component construction, allowing flexibility and customisation in order to fit specific applications and requirements.

The device family, qualified to Mil-Std-461, Mil-Std-883 and Mil-Std-202, enables designers to start with proven COTS technology and quickly scale up development, reducing risk and development time.

SA50-120 power converters utilize 120V input and offer up to 56W of output in a low profile, small-sized solution. EMI compliant and a radiation-hardened design with single and triple outputs these converters are intended for Space Station and ORION program platforms.

The units utilize switching regulators that use peak current mode controlled single-ended forward converter topology with inherent single-event immunity.

Offering eight million hours Mean Time Between Failure (MTBF) and up to 87% efficiency – the highest of any standard 120V input space-grade DC-DC power converter - the SA50-120 maximizes system performance and reliability.

The units are qualified to 100 krad (Si) Total Ionization Dose (TID) and Single Event Effects (SEE) greater than 80 MeV cm2/mg, and offer synchronization, a Transitor-Transitor Logic (TTL) on/off command signal, and various protection features.

Single output versions additionally offer remote sense, output voltage adjust and parallel connection functions.

Author
Neil Tyler

Comment on this article


This material is protected by MA Business copyright See Terms and Conditions. One-off usage is permitted but bulk copying is not. For multiple copies contact the sales team.

What you think about this article:


Add your comments

Name
 
Email
 
Comments
 

Your comments/feedback may be edited prior to publishing. Not all entries will be published.
Please view our Terms and Conditions before leaving a comment.

Related Articles

Compliance Suite

Secure Thingz, an IAR Systems Group company, has announced Compliance Suite, a ...

EV battery management

As more vehicles become electrified so there is a need for improved levels of ...

1200V aSiC MOSFETs

Alpha and Omega Semiconductor has announced the release of the AEC-Q101 ...

Get to market faster

A quick look at using Vicor's PFM and AIM in VIA packaging for your AC to Point ...

New possibilities

With the recent investment in the business by DBAG congatec is poised for ...