Quectel BC95 Hardware Design

NB-IoT Module Series
BC95 Hardware Design
BC95_Hardware_Design Confidential / Released 15 / 51
3.3. Pin Description
The following tables show the pin definition and description of BC95.
Table 3: I/O Parameters Definition
Type
Description
IO
Bidirectional
DI
Digital input
DO
Digital output
PI
Power input
PO
Power output
AI
Analog input
AO
Analog output
OD
Open drain
Table 4: Pin Description
Power Supply
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
VBAT
45, 46
PI
Main power supply of
the module:
VBAT=3.1V~4.2V
Vmax=4.2V
Vmin=3.1V
Vnorm=3.6V
The power supply
must be able to
provide sufficient
current up to 0.5A.
VDD_
EXT
26
PO
Supply 3.0V voltage for
external circuit
Vnorm=3.0V
I
O
max=20mA
If unused, keep this
pin open.
Recommend to add a
2.2~4.7uF bypass
capacitor when using
this pin for power
supply.
GND
2, 43,
47, 48,
51, 52,
Ground
Quectel
Confidential

Quectel BC95 Specifications

General

Brand	Quectel
Model	BC95
Category	Control Unit
Language	English