Quectel BG95 - 4.3. Turn-off; 4.3.1. Turn off Module via AT Command (BG95;BG96); 4.3.2. Turn off Module by PWRKEY and VBAT (BG95;BG96)

LPWA Module Series
BG95&BG96 Compatible Design
BG95&BG96_Compatible_Design 26 / 47
4.3. Turn-off
4.3.1. Turn off Module via AT Command (BG95/BG96)
There are several ways to turn off BG95/BG96. It is recommended to turn off the module through
AT+QPOWD command, which a safe way. The command will make the module log out from the network
and allow the firmware to save important data before completely disconnecting the power supply.
The power-off scenario of BG95/BG96 is illustrated in the figure below.
STATUS
VBAT
AT+QPOWD
T1
RUNNING
Power-down procedure
OFF
BG95/BG96
RXD
BG95/BG96
Figure 6: Power-off Scenario through AT Command (BG95/BG96)
Table 7: Power-off Timing by AT Command of BG95/BG96
Module
T
1
BG96
≥2s
BG95
≥1.3s
4.3.2. Turn off Module by PWRKEY and VBAT (BG95/BG96)
It is also a safe way to turn off the modules by driving PWRKEY low for 650ms to 1500ms for BG95, and
at least 650ms for BG96.
The power-off scenario of BG95 and BG96 by PWRKEY is illustrated in the figure below.