Power-On/Off/Reset Scenarios; Turn On Module Using The Pwrkey - Quectel EC200T Series Hardware Design

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.

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.
PWRKEY 21
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.
EC200T_Series_Hardware_Design
Figure 8: Reference Circuit of Power Supply
I/O Description
DI Turn on/off the module
LTE Standard Module Series
EC200T Series Hardware Design
Comment
VBAT power domain
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