Quectel EC200T Series User Manual

LTE Standard Module Series
EC200T Series Hardware Design
EC200T_Series_Hardware_Design 35 / 90
The following figure shows a reference design for +5 V input power source. The typical output of the
power supply is about 3.8 V and the maximum load current is 3.0 A.
Figure 8: Reference Circuit of Power Supply
3.7. Power-on/off/Reset Scenarios
3.7.1. Turn on Module Using the PWRKEY
The following table shows the pin definition of PWRKEY.
Table 9: Pin Description of PWRKEY
Pin Name Pin No. I/O Description Comment
PWRKEY 21 DI Turn on/off the module VBAT power domain
When EC200T series is in power down mode, it can be turned on to normal mode by driving the PWRKEY
pin to a low level for at least 500 ms. It is recommended to use an open drain/collector driver to control the
PWRKEY. A simple reference circuit is illustrated in the following figure.

Quectel EC200T Series Specifications

General

Brand	Quectel
Model	EC200T Series
Category	Control Unit
Language	English