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LPWA Series
Quectel LPWA Series Hardware Design
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LPW
A
Module
Series
BG950A-GL&BG
951A-GL
_Hardw
are_Design
21
/89
Table
6:
Pin
Desc
ription
Power
Supply
Pin
Name
Pin
No.
I/O
Description
DC
Characteristic
s
Comment
VBAT_BB
32
PI
Power
s
upply
f
or
the
module’s
ba
seband
part
Vmax
=
4.5
V
Vmin
=
2.2
V
Vnom
=
3.3
V
See
NO
TE
1
VBAT_RF
33
PI
Power
s
upply
f
or
the
module’s
RF
part
See
NO
TE
1
VDD_EXT
29
PO
Provide
1.8
V
for
external
c
ircuits
Vnom
=
1.8
V
I
O
max
=
50
mA
If
unused
,
keep
this
pin
open.
GND
3,
31,
48,
50,
54,
55,
58,
59,
61,
62,
67–74,
79–82,
89–
91,
100–
102
T
urn
on/off
Pin
Name
Pin
No.
I/O
Description
DC
Characteristic
s
Comment
PWRKEY
*
15
DI
Tu
rn
on/o
ff
the
module
V
IL
max
=
0.3
V
V
IH
min
=
1.0
V
Reset
Pin
Name
Pin
No.
I/O
Description
DC
Characteristic
s
Comment
RESET_N
17
DI
Reset
the
module
V
IL
max
=
0.3
V
V
IH
min
=
1.3
V
Status
Indication
Pin
Name
Pin
No.
I/O
Description
DC
Characteristic
s
Comment
PSM_IND
*
1
DO
Indicate
the
modul
e’s
power
saving
mode
V
OL
max
=
0.38
V
V
OH
min
=
1.36
V
1.8
V
po
wer
domain.
If
unused
,
keep
this
pin
open.
ST
A
TUS
20
DO
Indicate
the
modul
e’s
operation
status
NET_ST
A
TUS
*
21
DO
Indicate
the
modul
e’s
network
acti
vity
status
USB
Inter
face
*
Pin
Name
Pin
No.
I/O
Description
DC
Characteristic
s
Comment
USB_VBUS
8
AI
USB
con
nection
detect
Vnom
=
5.0
V
T
ypical
5.0
V
USB_DP
9
AIO
USB
differential
data
(+)
Compliant
with
USB
2.0
standard
specification.
Require
USB_DM
10
AIO
USB
differential
data
21
23
Table of Contents
Default Chapter
4
Safety Information
4
About the Document
5
Table of Contents
6
Contents
6
1 Introduction
11
Special Mark
14
2 Product Overview
15
Frequency Bands and Functions
16
Key Features
17
Functional Diagram
19
Pin Assignment
20
Pin Description
21
Evaluation Board
27
3 Operating Characteristics
28
Operating Modes
28
Sleep Mode
29
UART Application Scenario
29
Power Saving Mode (PSM)
30
Extended Idle Mode DRX (E-I-DRX)
30
Airplane Mode
31
Power Supply
32
Power Supply Pins
32
Power Supply Monitoring
32
Requirements for Voltage Stability
32
Turn on
34
Turn on the Module with PWRKEY
34
Turn off
35
Turn off the Module with PWRKEY
35
Turn off the Module with at Command
36
Reset
36
Pon_Trig
38
4 Application Interfaces
40
U)SIM Interface
40
USB Interface
42
PCM and I2C Interfaces
44
UART Interfaces
45
ADC Interface
47
Indication Signal
48
PSM Status Indication
48
Network Status Indication
49
Status
50
Main_Ri
51
GRFC Interface
52
GPIO Interface
52
5 RF Specifications
54
Cellular Network
54
Antenna Interface & Frequency Bands
54
RF Output Power
55
Receiving Sensitivity
56
Reference Design
57
GNSS Network
58
Antenna Interface & Frequency Bands
58
GNSS Performance
59
Reference Design
60
Reference Design of RF Routing
60
Requirements for Antenna Design
62
RF Connector Recommendation
63
6 Reliability and Electrical
66
Absolute Maximum Ratings
66
Power Supply Ratings
66
Power Consumption
67
Esd
71
Operating and Storage Temperatures
72
7 Mechanical Information
73
Mechanical Dimensions
73
Recommended Footprint
75
Top and Bottom Views
76
8 Storage, Manufacturing & Packaging
77
Storage Conditions
77
Manufacturing and Soldering
78
Packaging Specifications
79
9 Appendix References
82
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Manual
91 pages
4
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Quectel LPWA Series Specifications
General
Brand
Quectel
Model
LPWA Series
Category
GSM/GPRS Modules
Language
English
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