Pin Description - Quectel Smart Module Series Hardware Design

3.3. Pin Description

Table 3: I/O Parameters Definition
Type
AI
AO
AIO
DI
DO
DIO
OD
PI
PO
The following tables show the SA800U-WF's pin definitions and electrical characteristics.
Table 4: Pin Description
Power Supply
Pin Name
VBAT
VREG_BOB
SA800U-WF_Hardware_Design
Description
Analog Input
Analog Output
Analog Input/Output
Digital Input
Digital Output
Digital Input/Output
Open Drain
Power Input
Power Output
Pin No. I/O Description
J1-159,
J1-160,
J1-161,
J1-162,
J1-163, PI/ Power supply for
J1-164, PO the module
J1-165,
J1-166,
J1-167,
J1-168
J2-140,
PO BOB output
J2-142
Smart Module Series
SA800U-WF Hardware Design
DC Characteristics
Vmax = 4.4 V
Vmin = 3.55 V
Vnom = 3.8 V
Vnom = 3.7 V
I max = 2000 mA
O
Comment
Must be provided
with sufficient
current of up to
3 A.
It is suggested to
use a TVS to
increase voltage
surge withstand
capability.
Power supply for
external LDOs.
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