SMPS for industrial, communication and medical applications

14th February 2014
Nat Bowers

Expanding the scope of what is achievable by engineers in their power system designs, Powerstax announces the Multistax Premium family of configurable switch mode power supplies (SMPS). These units are suitable for manding application scenarios with exacting cost/performance requirements, such as industrial, communication and medical.

Compared with what can be expected from alternative products on the market, the Multistax Premium family reduces the thermal load they place on systems into which they are incorporated by over 50% thanks to their ultra-high efficiency of up to 92%. The industry-leading (according to Powerstax) power density of 16W/in³ (0.86W/cm3), is a result of the combination of advanced, field-proven planar magnetics, surface mount packaging and proprietary low loss transformer technologies. Facilitating configuration, the innovative Multistax plug-and-play architecture enables the creation of an application-optimised, semi-custom power solution in less than 5 minutes. The architecture comprises feature-rich front-end power units and slide-in output converter modules.

The SMPS are offered in 2 different chassis versions: a four slot 600W rated version and a six slot 1200W rated version. In order to meet specific voltage and current combination requirements, the slots can be populated with multiple power modules. Fully floating outputs enable the Multistax Premium family to be used in series, parallel, and series-to-parallel arrangements. This flexibility and versatility enables engineers to resolve various complex power system design challenges without having to implement full custom solutions (which can be costly and time consuming).

Tim Worley, CEO, Powerstax, commented: “The flexibility that is inherent in this latest power source family allows virtually any conceivable input/output permutation to be realised. It furnishes our customers with a quick and simple to adjust framework on which to base their power system designs, while also benefiting from a very acceptable price tag. The low loss architecture combats thermal build-up and boosts overall system performance, so that every mW of power potentially available can be utilised to the utmost.”

Supplied in compact 1U high (40mm) package, with up to 12 isolated outputs, the Multistax Premium family consists of 11 output module types. Output voltages can either be set manually (via a potentiometer) or dynamically (using the various control inputs). This leaves engineers with an almost limitless number of possibilities for configuring the outputs to meet their particular needs. Operating over a temperature range from -40 to +70°C, the Mulitistax Premium family of SMPS from Powerstax has UL/EN60950-1 (2nd edition) and UL/EN60601 (3rd Edition) approvals.

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