
xE922-3GR Hardware User Guide
1VV0301272
Rev.0.8 2017-01-05
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
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Page 54 of 112
7.2.2.
Battery/charger-less operation
In case the xE922-3GR module is applied directly from a DC source supply, without battery and/or external
charger IC, the charger specific interface signals should be connected as indicated in the next picture.
Since VBATMEAS and POK signals are still used in the power on sequencing / boot process, it is important
to have the following minimum connections implemented.