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BC95
Quectel BC95 Hardware Design
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NB
-IoT
Module
Series
BC
95
Hardware
Design
BC
95_Hardware_
D
esign
Confidential
/ Released
13
/
51
3
Application
Functions
3.1.
General Descript
ion
BC95
is
equipped
with
54-pin
1.1mm
pitch
SMT
pads
plus
40
-pin
ground/reserv
ed
pads.
The
following
chapters pr
ovide detai
l
ed descr
iptions
of
these pins:
Power supply
UART interfa
ce
s
USIM card inter
face
ADC interface*
Network st
atus indication*
RF interface
Quectel
Confidential
13
15
Table of Contents
About the Document
3
Table of Contents
4
Contents
4
Introduction
8
Safety Information
9
Product Concept
10
General Description
10
Key Features
11
Functional Diagram
12
Evaluation Board
13
Application Functions
14
General Description
14
Pin Assignment
15
Pin Description
16
Operating Modes
19
Power Supply
19
Power Supply Pins
19
Reference Design for Power Supply
20
Power on and down Scenarios
20
Power on
20
Power down
21
Reset the Module
21
Power Saving
22
UART Interfaces
23
Main Port
24
Debug Port
25
UART Application
26
USIM Card Interface
27
USIM Card Application
27
Figure 13: Reference Circuit for Usim Interface with 6-Pin Usim Card Connector
28
ADC Interface
29
Behaviors of RI
29
Network Status Indication
30
Figure 15: Reference Design for Netlight
31
Antenna Interface
32
RF Antenna Reference Design
32
Reference Design of RF Layout
33
Figure 19: Coplanar Waveguide Line Design on a 4-Layer Pcb (Layer 3 as Reference Ground)
34
RF Output Power
35
RF Receiving Sensitivity
35
Bc95_Hardware_Design
35
Confidential / Released
35
Operating Frequencies
36
Antenna Requirement
36
Install the Antenna with RF Connector
37
Figure 23: Space Factor of Mated Connector (Unit: MM)
38
Electrical, Reliability and Radio Characteristics
39
Absolute Maximum Ratings
39
Operating Temperature
39
Current Consumption
40
Electrostatic Discharge
41
Mechanical Dimensions
42
Mechanical Dimensions of the Module
42
Figure 25: Module Bottom Dimensions (Bottom View)
43
Recommended Footprint
44
Design Effect Drawings of the Module
45
Storage, Manufacturing and Packaging
46
Storage
46
Manufacturing and Soldering
47
Packaging
48
Tape and Reel Packaging
48
Bc95_Hardware_Design
48
Figure 31: Reel Dimensions
49
Appendix A References
50
Confidential / Released
50
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Quectel BC95 Specifications
General
Brand
Quectel
Model
BC95
Category
Control Unit
Language
English
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