CUI’s Novum power modules select Powervation's digital power controllers to deliver self-adapting, automatic loop compensation

October 03, 2012 // By Paul Buckley
Power module maker CUI, Inc., a subsidiary of CUI Global, Inc. has selected Powervation Ltd’s PV3012 next-generation digital controller in two newly-released power product families.

CUI’s Novum Advanced Power line focuses solely on the design and development of leading edge products for distributed power architecture applications. The new NDM2P-series PMBus compliant point of load (POL) converters are the latest additions to the company’s Novum Advanced Power product line.   Also new is the Novum NSM2P-series, the industry’s first self-compensating no-bus digital POL DC/DC module family, which targets customers who need the flexibility and configurability of digital power, as well as low component count and high reliability, but who do not wish to include digital bus communications in their systems.

Both power module product families deliver intelligent adaptive self-compensation through the use of Powervation’s Auto-Control technology.  Automatically and dynamically balancing the trade-off between performance and system stability in real time, Auto-Control compensates for changes in the converter’s output impedance (e.g., component aging, manufacturing variances, and temperature) and wide variety of potential loads.

In addition to providing the company’s patented adaptive loop compensation technology, the PV3012’s differential measurement and high resolution ADC, enables precision measurement and precision control of outputs.  PV3012 provides 0.5% set-point voltage regulation over the module’s wide input range of 4.5 V ~ 14 V, and output current measurement down to 3% accuracy over a wide range of load currents.

The converter’s output can be configured and controlled through pre-stored configurations, single resistor pin strapping, or via PMBus commands.  When used in dual phase mode, phases may be added or removed as the load varies, so that efficiency is maximized over the load range.  Additionally, the outputs of the phases are interleaved so that the effective switching frequency at the output is doubled.  With Powervation’s Digital Stress Share (DSS) and PLL synchronization, multiple PV3012 devices may be used in parallel to increase the number of phases supporting the application’s load.  

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