SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R26 System description
Page 30 of 217
Figure 15 roughly describes the current consumption profile of SARA-G300 and SARA-G310 modules when the
EXT32K input pin is fed by the 32K_OUT output pin provided by these modules, when power saving is enabled.
The module is registered with the network, automatically enters the low power idle mode and periodically wakes
up to active mode to monitor the paging channel for paging block reception.
20-30 ms
IDLE MODE ACTIVE MODE IDLE MODE
Active Mode
Enabled
Idle Mode
Enabled
0.44-2.09 s
IDLE MODE
20-30 ms
ACTIVE MODE
Time [s]
Current [mA]
100
50
0
Time [ms]
Current [mA]
100
50
0
RX
Enabled
DSP
Enabled
Figure 15: VCC current consumption profile versus time of the SARA-G300 and SARA-G310 modules (with the EXT32K input pin
fed by the 32K_OUT output pin provided by these modules), when registered with the network, with power saving enabled:
the low power idle mode is reached and periodical wake up to active mode are performed to monitor the paging channel
For the modules’ detailed VCC current consumption values in low-power idle mode or in cyclic idle/active mode
(module registered with 2G / 3G network with power saving enabled), see the SARA-G3 series Data Sheet [1]
and the SARA-U2 series Data Sheet [2].
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