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System management continues to gain importance in the design of all electronic systems because smaller process geometries drive more multi-volt devices and are more susceptible to voltage and temperature fluctuations. System management is a collection of seemingly unrelated tasks with the goal of ensuring the proper operation of the system. These tasks focus on maximizing system uptime, identifying and communicating alert conditions, and logging data and alarm conditions. Boards must also be able to log an event, initiate corrective action, and/or notify a remote supervisor when fault conditions occur. Driven by the need to increase system uptime and reliability, many systems are adding in-system diagnostics and prognostics, not only to help debug systems that have failed, but also to identify potential failures before they arise. In markets driven by standards, reliability and uptime are key metrics by which OEMs can differentiate themselves.
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