User's Guide

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
Reserved. Page 39 of 112
4. Electrical specifications
4.1. Absolute maximum ratings – not operational
A deviation from listed below values range may harm the xE922-3GR module.
Symbol
Parameter
Min
Max
Unit
VBATT
battery supply voltage on
pin VBATT
-0.3
+5.5
[V]
VBATT_PA
battery supply voltage on
pin VBATT_PA
-0.3
+6.0
[V]
4.2. Recommended operating conditions
Symbol
Parameter
Min
Typ
Max
Unit
T
case
Case temperature (1)
-40
+25
+85
[°C]
VBATT
Battery supply voltage on
pin VBATT
3.6
3.8
4.2
[V]
VBATT_PA
Battery supply voltage on
pin VBATT_PA
3.6
3.8
4.2
[V]
I
BATT_PA
+
I
BATT
Peak current to be used to
dimension decoupling
capacitors on pin
VBATT_PA
-
2
-
[A]
(1) T
case
case temperature: measured at top side shield of module
4.3. Logic Level Specifications
Unless otherwise specified, all the interface circuits of the xE922-3GR are 1.8V CMOS logic.
Only few specific interfaces (such as USIM) are capable of dual voltage I/O.
The following table shows the logic level specifications used in the Telit xE922-3GR
interface circuits:
NOTE:
Do not connect xE922-3GR’s digital logic signal directly to OEM’s digital logic signal with a
level higher than 2.1V for 1.8V CMOS signals.