Extremely economical switching regulator extends battery life in IoT: Page 2 of 2

July 15, 2019 //By Christoph Hammerschmidt
Extremely economical switching regulator extends battery life in IoT
Sensor nodes in the IoT are often powered by a battery that cannot be replaced over long periods. The sensor modules must therefore be optimized for extremely low energy consumption. Texas Instruments (TI) has now introduced a switching regulator that, at 60 nA, requires only a third of the value of the next competing device.

The stop pin can be used to completely interrupt switching to reduce electromagnetic interference or ripple and to minimize distortion on precise signal chain devices, sensors, or radio transmission devices.

Developers can use the new switching regulator to manage with half the batteries or use smaller batteries in their design. For example, using four AAA batteries instead of four AA batteries can save up to 16.98 cc.

The wide input voltage range of the TPS62840, from 1.8V to 6.5V, is suitable for various battery chemistries and configurations, such as two lithium manganese dioxide cells in series (2s-LiMnO2), one lithium thionyl chloride cell (1xLiSOCL2), four or two alkaline cells, or lithium polymer batteries (Li-Po).

More information: www.ti.com/TPS62840-pr-eu

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