Power Supply; Power Supply Pins - Quectel LTE-A Series Hardware Design

AT+CFUN=0
Low Level AT+CFUN=1
AT+CFUN=4
NOTES
1. The W_DISABLE# control function is disabled in firmware by default. It can be enabled by
AT+QCFG="airplanecontrol" command, and this command is under development.
2. The execution of AT+CFUN command will not affect GNSS function.

3.5. Power Supply

3.5.1. Power Supply Pins

EG18 provides six VBAT pins dedicated to the connection with an external power supply. There are two
separate voltage domains for VBAT.

Four VBAT_RF pins for RF part

Two VBAT_BB pins for baseband part
The following table shows details of VBAT pins and ground pins.
Table 7: VBAT and GND Pins
Pin Name Pin No.
VBAT_RF 85, 86, 87, 88
VBAT_BB 155, 156
10, 13, 16, 17, 24, 30, 31,
35, 39, 44, 45, 54, 55, 63,
64, 69, 70, 75, 76, 81~84,
89, 90, 92~94, 96~100,
102~106, 108~112,
GND 114~118, 120~126,
128~133, 141, 142, 148,
153, 154, 157, 158, 167,
174, 177, 178, 181, 184,
187, 191, 196, 202~208,
214~299
EG18_Hardware_Design
RF Disabled
Description
Power supply for the
module's RF part
Power supply for the
module's baseband part
Ground
LTE-A Module Series
EG18 Hardware Design
Airplane mode
Min. Typ.
3.3 3.8
3.3 3.8
- 0
Max. Unit
4.3 V
4.3 V
- V
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