By Leon Adams, Adrian Valenzuela, and Jeff Falin, Texas Instruments
Low power consumption is paramount in all types of processor-based embedded systems. Battery-based portable systems obviously require a low-power methodology. But even line-powered systems also benefit from a low-power architecture that eliminates heat and meets power-usage guidelines. In this two-part article, we offer tips and tricks for power optimization and power system design. Part one focuses how to minimize power consumption by adequately using multiple power operating modes. Part two will provide tips for optimizing resources and extending battery life by designing more efficiently.
Processors play a key role in minimizing power consumption and extending battery life. Too often, designers limit their options for minimizing power consumption to little more than using low-power components. In fact, because processors can control the entire system, they in turn offer several ways to reduce and save on power consumption.
