Quectel EM05-G Hardware Design page 31

LTE Standard Module Series
EM05-G Hardware Design
A reference circuit is shown in the following figure.
Module
1.8/3.3 V
10K
FULL_CARD_POWER_OFF#
Figure 10: Turn on the Module Automatically
The timing of turning on the module is illustrated in the following figure.
Note
VCC
RESET#
1.19 V V 4.4 V
IH
FULL_CARD_POWE R_OFF#
V 0.2 V
IL
12 s
Module State
OFF Booting
Active
Figure 11: Timing of Turning on Module
NOTE
Make sure that VCC is stable before pulling up FULL_CARD_POWER_OFF# pin. The time between them
is no less than 30 ms.
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