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Online tool optimises power supply design for ARM

Posted: 18 Mar 2011     Print Version  Bookmark and Share

Keywords:online  design  tool  power supplies  ARM processor 

National Semiconductor Corp. debuts its WEBENCH Processor Power Architect, an online design tool that supports the companies' latest point-of-load regulators and simple switcher modules aimed at modelling and optimising power supplies for Atmel Corp. and Freescale Semiconductor Inc. ARM processors.

 WEBENCH Processor Power Architect

The design tool incorporates the detailed supply requirements of more than 50 of the newest ARM processors from Atmel and Freescale.

Modern power supply systems, including ARM processors, are complex to design, often incorporating multiple unique loads to drive precisely specified voltages. Aside from the required voltages and currents, each load may have specific limitations for ripple, noise filtering, synchronisation and separation of supplies, as well as start-up definitions (soft start).

The power supply designs delivered by WEBENCH incorporate comprehensive power requirements published by the ARM processor manufacturers, giving the designer confidence that their power supplies will meet these constraints while saving critical time in the process.

WEBENCH Processor Power Architect provides the designer with new options to reduce cost and footprint. To accommodate the low currents associated with ARM processor loads, the designer can select from over 50 low drop-out (LDO) regulators in addition to high efficiency switching regulators.

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