HUAWEI ME906s LTE M.2 Module
Hardware Guide
Description of the Application Interfaces
Issue 05 (2019-03-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
20
Figure 3-2
Recommended power circuit
3.135 V is the minimum voltage supplied to ME906s by the host, and 3.3V pin must never be
under 3.135 V in any case, which is shown as the following figure.
If the customer wants to power cycle ME906s, the 3.3V pin must stay below 1.8 V for
more than 100 ms. Figure 3-3 shows the power supply timing sequence between
power cycling.
Module
(Modem)
3.3V
+
3.3V
330 pF 100 nF
1 μF 22 μF 220 μF
Time
3.135V
3.3V
4.4V
Voltage
Do not drop below 3.135 V during 2G Tx.
The maximum current may be 2.5 [email protected] V.