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Keeping on the rails – SPONSORED TUTORIAL
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14/10/2008
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The communications and computing markets continually demand technological improvements that lower costs and increase capabilities, with more functionality in smaller form factors. This results in higher complexity on each board in a system. It is increasingly common to find several multivoltage devices coexisting in a single design that contains ASICs, FPGAs and DSPs.
This has resulted in a spiraling increase in the number of power supplies per card. High end systems with more than 20 voltage rails on a board are now common. Only a few years ago, these would have required several boards with perhaps four supplies each. Today’s electronics designers face a challenging problem: how to ensure that 99.999% system reliability is maintained as power chain complexity increases.
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Author
Norma O’Mahony
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