Amp Hours Measurement 5e4ad9f5a9171

Data Logging of Power Profiles

Feb. 20, 2020
Understanding the power profile of IoT devices across varied states is essential not only to ensure proper behavior but also to optimize the battery life for the device. Learn how in this application note.

Portable wireless devices typically operate for long periods drawing only hundreds of nanoamps to tens of microamps of current, interrupted by short, power-intensive active modes requiring hundreds of milliamps or more.   Testing these devices requires fast measurement sampling so that short-duration current spikes do not go undetected, giving a misleading representation of the power consumption of the device.  This application note reviews methods for capturing the load current characteristics of a device or the voltage discharge profile of a battery.

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