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Best Practices for Choosing a Microcontroller for Battery-Powered Embedded Systems

When creating battery-powered embedded systems, selecting the appropriate microcontroller is necessary to provide effective management of power consumption and to lengthen the lifespan of the battery. When selecting a microcontroller for use in battery-operated embedded systems, the following are some of the best practices to keep in mind:

Low Power Consumption

While designing battery-powered embedded systems, one of the most important considerations to make is the power consumption of the microcontroller. It is absolutely necessary to go with a microcontroller that has a low power consumption profile. While the device is not being used, you should look for microcontrollers that have sophisticated low-power modes, such as sleep or standby modes, in order to save power.

Performance Requirements

In order to meet the performance requirements, you must select a microcontroller that has an adequate amount of computing power for the application. It is possible that a high-performance microcontroller will consume more power than a low-performance microcontroller will, but it is also possible that it may be able to do tasks more rapidly, which will result in reduced overall power usage.

Integrated Peripherals

Selecting a microcontroller with integrated peripherals that correspond to the needs of your application might help you reduce the amount of power used and the complexity of the board.

Voltage Range

Running the microcontroller at a higher voltage demands more power, thus running it at a lower voltage results in a reduction in the amount of power required to run it.

Low Quiescent Current

Quiescent current is the current that is spent by the microcontroller while it is not actively doing any work. Choose a microcontroller that has a low quiescent current if you want to cut down on the amount of power the device uses while it is not doing anything.

Optimized Code

In order to decrease the amount of power that your microcontroller consumes, you should write code that is optimized. Avoid utilizing delay functions and infinite loops whenever possible because they both have the potential to waste electricity. Use timers or sleep modes instead to cut down on the amount of power that the microcontroller needs to consume when it is not doing anything.

By taking into consideration these best practices, you will be able to select a microcontroller that is optimized for battery-powered embedded systems. This will allow you to enhance the overall efficiency of your device as well as extend the life of your battery pack.

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