Quectel RM510Q-GL - Turn off; Turn off the Module through FULL_CARD_POWER_OFF; Turn off the Module through at Command and FULL_CARD_POWER_OFF

5G Module Series
RM510Q-GL Hardware Design
RM510Q-GL_Hardware_Design 32 / 88
3.5. Turn off
3.5.1. Turn off the Module through FULL_CARD_POWER_OFF#
For the design that turns on the module with a host GPIO, when the power is supplied to VCC, pulling
down FULL_CARD_POWER_OFF# will turn off the module.
The timing of turning-off scenario is illustrated in the following figure.
VCC(H)
RESET#(H)
Module Status
FCPO#
RFFE_VIO_1V8
V
IL
≤ 0.2 V
Turn-off procedureRunning OFF
1.5 V
3.7 V
USIM_VDD
T
turn-off
V
IH
≥ 1.19 V
1.8 V or 3.0 V
1.8 V
Figure 10: Turn-off Timing through FULL_CARD_POWER_OFF#
Table 10: Turn-off Time through FULL_CARD_POWER_OFF#
3.5.2. Turn off the Module through AT Command and FULL_CARD_POWER_OFF#
It is also a safe way to use AT+QPOWD command to turn off the module. For more details about the
command, see document [4].
The module is designed to be turned on with a host GPIO. Pull down FULL_CARD_POWER_OFF# pin
after the module’s USB/PCIe is removed. Otherwise, the module will be powered on again.
Symbol
Min.
Typ.
Max.
Comment
T
turn-off
6.84 s
-
-
System turn-off time