Quectel BG95 User Manual

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.

Quectel BG95 Specifications

General

Chipset	Qualcomm MDM9205
LTE Category	Cat M1/Cat NB2
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3V
Dimensions	23.6 mm × 19.9 mm × 2.2 mm
LTE Cat NB2 Data Rate	127kbps (DL), 158kbps (UL)
EGPRS Data Rate	296kbps (DL), 236.8kbps (UL)
Supply Voltage Range	3.3V to 4.3V
Power Consumption	PSM: 3.2 μA
Interfaces	UART, USB 2.0, I2C, SPI, GPIO, ADC
SMS	Text and PDU Mode
Protocols	TCP/UDP/PPP
Certifications	FCC, IC, CE, RCM, PTCRB, GCF
Frequency Bands	GSM: 850/900/1800/1900MHz