Quectel SC206E Series User Manual

Smart Module Series
SC206E_Series_Hardware_Design 39 / 115
The turning-on scenario is illustrated in the following figure.
VBAT(Typ. 3.8 V)
PWRKEY
> 1.6 s
Others
LDO15A_1V8
47 s
132 ms
Software
controlled
LDO17A_3V0
Active
Note2
Software
controlled
Figure 8: Turn-on Timing
1. When the module is turned on for the first time, the turn-on timing may be different from that shown
above.
2. Make sure that VBAT is stable before pulling down PWRKEY. It is recommended to wait until VBAT is
stable at 3.8 V for at least 30 ms before pulling down PWRKEY. Additionally, do not keep pulling
PWRKEY down all the time.
NOTE

Quectel SC206E Series Specifications

General

Brand	Quectel
Model	SC206E Series
Category	Control Unit
Language	English