Turn Off Module - Quectel EC200U Series Hardware Design

VBAT
PWRKEY
VDD_EXT
RESET_N
STATUS
(DO)
UART
USB
NOTE
1. Please make sure that VBAT is stable before PWRKEY is pulled down. It is recommended that the
time interval between powering up VBAT and pulling down PWRKEY is no less than 30 ms.
PWRKEY can be pulled down directly to GND with a recommended 1 kΩ resistor if the module
2.
needs being powered on automatically and shutdown is not needed.

3.7.2. Turn off Module

The following ways can be used to turn off the module:
⚫
Turn off the module with PWRKEY.
⚫
Turn off the module by using AT+QPOWD.
EC200U_Series_Hardware_Design
NOTE1
≥ 2 s
≤ 0.5 V
V
IL
About 1.15 s
≥ 5.05 s
≥ 4 s
Inactive
≥ 2.23 s
Inactive
Figure 12: Power-up Timing
LTE Standard Module Series
Active
Active
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