Turn Off Module; Turn Off Module Using Pwrkey - Quectel QuecOpen AG521R-NA Hardware Design

NOTE
If PON_1 is not used, it is recommended to connect it to the ground.

3.7.3. Turn off Module

Either of the following methods can be used to turn off the module:
⚫
Normal power down procedure: Turn off the module using the PWRKEY pin.
⚫
Normal power down procedure: Turn off the module using API interface.

3.7.3.1. Turn off Module Using PWRKEY

Driving PWRKEY low for at least 2 s, the module will execute power-down procedure after PWRKEY is released.
The power-off scenario is illustrated in the following figure.
VBA T
PWRKEY
Module
Status
VDD_ EXT
AG521R-NA_QuecOpen_Hardware_Design
10K
PON_1
PVIN
SS/TR
Module
Figure 13: Turn on the Module using PON_1
2 s
RUNNING
Figure 14: Power-off Timing
AG521R-NA QuecOpen Hardware Design
0.78– 1.89 V
TBD
Power - down procedure
Automotive Module Series
OFF
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