Quectel QuecOpen AG525R-GL Hardware Design page 25

Table 4: Pin Description
Power Supply
Pin Name Pin No.
241, 242,
VBAT_BB
244
109, 111,
VBAT_RF
112, 114
VDD_EXT 68
VDD_WIFI_VM 276
VDD_WIFI_VH 277
12, 18, 26, 33, 42, 86, 92, 98, 115, 117, 118, 120, 121, 124–131, 133–135, 137, 138,
140, 141, 144–151, 153, 155, 156, 158, 159, 160, 162, 164, 165, 167, 168, 171–174,
GND
176, 177, 180, 182, 183, 185, 186, 189, 191, 192, 194, 195, 198, 199, 201–203, 206,
208, 209, 211, 212, 215, 217, 218, 220, 221, 230, 232, 233, 234, 237, 240, 307–400
Turn on/off
Pin Name Pin No.
PWRKEY 7
PON_1 248
RESET 8
(U)SIM Interfaces
Pin Name Pin No.
USIM1_VDD 251
AG525R-GL_QuecOpen_Hardware_Design
I/O Description
Power supply for
PI the module's
baseband part
Power supply for
PI the module's RF
part
1.8 V output power
PO supply for external
circuits
Power supply for
PO
Wi-Fi
Power supply for
PO
Wi-Fi
I/O Description
Turn on/off the
DI
module
Pulling it high will
DI turn on the module
automatically
DI Reset the module
I/O Description
(U)SIM1 card power
PO
supply
Automotive Module Series
AG525R-GL QuecOpen Hardware Design
DC
Comment
Characteristics
Vmax = 4.3 V It must be provided
Vmin = 3.3 V with sufficient current
Vnorm = 3.8 V up to 0.8 A.
Vmax = 4.3 V It must be provided
Vmin = 3.3 V with sufficient current
Vnorm = 3.8 V up to 2 A.
Power supply for
Vnorm = 1.8 V
external GPIO's pull
I max = 50 mA
O
up circuits.
If unused, keep it
Vnorm = 1.35 V
open.
If unused, keep it
Vnorm = 1.95 V
open.
DC
Characteristics
V max = 1.89 V
IH
V min = 1.17 V
IH
V max = 0.63 V
IL
V max = 1.89 V
IH
V min = 1.17 V
IH
V max = 0.63 V
IL
DC
Characteristics
I max = 50 mA
O
For 1.8 V (U)SIM:
Vmax = 1.9 V
Vmin = 1.7 V
Comment
Internally pulled up
to 1.8 V.
Active low.
Valid trigger range:
0.78–1.89 V.
Active high
Internally pulled up
to 1.8 V.
Active low.
Comment
Either 1.8 V or 3.0 V
is supported by the
module
automatically.
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