AirPrime - External Battery Charging Solution - Application Note

Dec 18, 2013 - Author: Sierra Wireless - Version 2.0 - 2170 Views

This application note describes how to interface an external battery charging solution with an AirPrime wireless module. It is useful if you have the following requirements:

  • Li-Polymer battery used
  • Possible drops of the battery voltage below its over discharge threshold (~2.8V)
  • Only a DC voltage source available to charge the battery (impossible to connect an external charger)
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