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SoC enables energy-saving power adapter designs

Posted: 18 Jan 2011     Print Version  Bookmark and Share

Keywords:Green Power Processor  digital power adapters  Green Load Processor 

Green Plug debuts the Green Power Processor (GPP), an SoC that enables CE manufacturers develop energy-saving digital power adapter architectures offering customisation to other power supply designs.

GPP is based on the high-performance, low-power META MTP Core from Imagination Technologies Group plc. It offers CE power supply designers and developers two independent hardware threads, primarily single-cycle instructions, and a variety of advanced low-power features and optimisations for AC/DC and DC/DC power conversions.

The SoC is a combination of mixed-signal technology, multi-threaded hardware, advanced low-power features and optimisations that together provide a platform for rapid development of modern, efficient power supply designs.

"Indeed, the era of digital power has arrived," said Frank P. Paniagua, Jr., founder and CEO of Green Plug. "Digital means smart, rendering antiquated and inflexible analogue controllers for power supply designs obsolete. Digital means easy re-use of power supply designs for new products."

GPP is customisable to any power supply design by input parameter selection or fully custom code images. Feedback loops, switching frequencies and overload detection thresholds are adjustable by software, allowing a variable power supply to be designed with maximum output range and efficiency at each set point. GPP also offers developers the ability to modify their power adapter designs in real time using embedded development tools, thereby significantly reducing development cycle time.

While GPP facilitates control and communication on the power supply, another Green Plug innovation, the Green Load Processor, enables communication and functionality on the electronic device. When enabled along with Green Plug's GreenTalk digital communication software and hardware protocol stack, and GreenWire multi-function physical layer technology, manufacturers have the flexibility to offer power adapters that can communicate changes in power requirements, such as higher or lower voltage, or shut off completely when not in use.

GPP will be available in the second quarter of 2011.

Toni McConnel
EE Times

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