Pin Description - Quectel EC200A Series Hardware Design

2.4. Pin Description

The following table shows the DC characteristics and pin descriptions.
Table 5: I/O Parameters Definition
Type Description
AI Analog Input
AO Analog Output
AIO Analog Input/Output
DI Digital Input
DO Digital Output
DIO Digital Input/Output
OD Open Drain
PI Power Input
PO Power Output
Table 6: Pin Description
Power Supply
Pin Name
VBAT_BB
VBAT_RF
VDD_EXT
Pin No. I/O Description
Power supply for the
59, 60 PI
module's baseband part
Power supply for the
57, 58 PI
module's RF part
Provide 1.8 V for
7 PO
external circuit
LTE Standard Module Series
DC
Comment
Characteristics
It must be
Vmax = 4.5 V
provided with
Vmin = 3.4 V
sufficient current
Vnom = 3.8 V
up to 0.8 A.
It must be
Vmax = 4.5 V
provided with
Vmin = 3.4 V
sufficient current
Vnom = 3.8 V
up to 1.8 A.
It can provide a
Vnom = 1.8 V
pull-up power to
I max = 50 mA
O
the external