Ericsson power regulator embeds dynamic loop compensation to increase current output

New 50A regulator offers high power density of 32.61W/cm3 (534W/in3) and 25 percent more output current compared to previous version and in the same footprint. Dynamic Loop Compensation improves stability and shortens time-to-market. Paralleling of seven modules with phase-spreading delivers 350A, while ripple-and-noise is reduced to the lowest possible level.

The new Ericsson 3E series BMR464-50A is a third-generation digital point-of-load (POL) regulator that features Dynamic Loop Compensation (DLC) and also extends output current up by 25% to 50A from the 40A offered by the BMR464-40A, yet it comes in a fully compatible footprint. The product also features a full set of PMBus commands enabling systems architects to fully monitor and dynamically control the energy delivered to strategic components, such as processors, FPGAs and ASICs, down to a very low and highly economical level.

Patrick Le Fèvre, Marketing and Communication Director, Ericsson Power Modules, says: “This new module is an extension to the third generation of Ericsson 3E POL regulators, which have rapidly became the reference digital point-of-load modules in the market. Working closely with customers in its development, the BMR464-50A meets the demands of volume markets by offering a higher current output and, very importantly, embedding Dynamic Loop Compensation. While this new module enables additional flexibility and simplicity, it also means that system architects retain the ability to control parameters to match specific applications.”

Embedding the latest Dynamic Loop Compensation technology, the BMR464-50A runs the DLC algorithm as default following the enabling of the output. However, three more settings are also available via the PMBus for systems architects to choose the most appropriate method for the application with the DLC algorithm run every second or every minute or simply disabled. In addition to standard methods, designers can also use the Loop Compensation Tool featured in the latest Ericsson Power Designer software to set their own loop compensation profile to match the requirements of specific applications.

* Enhanced Performance, Energy Management, and End-user Value are the key benefits delivered by Ericsson’s range of 3E digitally controlled DC/DC converters.