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Extending Battery Life In IoT Using Switching Regulators

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Extending Battery Life In IoT Using Switching Regulators

In IoT applications, battery-operated sensors should keep running for many years without any maintenance, which is difficult to achieve. The R-78S boost switching regulator from RECOM has been specially developed to increase battery life in battery-powered IoT devices. The module provides a stable output of 3.3V from input voltages of as little as 0.65VDC to 3.15VDC.

RECOM has now developed the first evaluation board allowing engineers to effortlessly test the functionality of the R-78S switching regulator. It is equipped with several jumper headers measuring input and output current and voltage – allowing typical battery lifetime calculations in both active and standby mode.

The company also introduces the R-REF02-78S Reference Design Board, which in its compact shape is a ready-to-use design for 3.3V IoT applications.

“The evaluation board demonstrates the performance of the R-78S which boosts single-cell AA battery voltage of 1.5V up to a stable 3.3V. This guarantees much higher energy capacities and reduces maintenance costs compared to button or coin cell batteries. This will effectively extend the operation lifetime of an application since the boost converter continues to operate at input voltages as low as 0.65V”, the company said.

The Evaluation Board offers the option to use external input voltage from other low voltage sources such as energy harvesting devices, which are typical in remote applications. The load can be connected either through output pins or a micro-USB port.

Test points for measuring voltages and currents allow engineers to fully evaluate the wide input voltage range down to 0.65V, high efficiency and low stand-by losses, all of which extend the working lifetime of a AA battery and even make MEMS power supply feasible.

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To cover more applications, RECOM has also extended the R-78S series with stable outputs of 1.8V for Bluetooth and 3.6V for LoRaWAN transmission units.

The R-78S Evaluation Board and Reference Design Board as well as R-78S converters are available at authorized distributors.

For more information please visit www.recom-power.com

 

 

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