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RF-BM-BG22Ax Series
RF-Star RF-BM-BG22Ax Series User Manual
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RF
-
BM
-BG22A3(I)
EFR32BG22C
224
Bluetooth
5.
2
Low
Energy Module
V
ersion 1.3
Shenzhen RF-star
T
echnology Co
.
, Ltd.
August
12
th
, 2022
2
Table of Contents
Device Overview
2
Module Series
2
Description
2
Key Features
2
Table 1. Module Series of RF-BM-Bg22Ax
2
Applications
3
Functional Block Diagram
4
Part Number Conventions
4
Figure 1. Functional Block Diagram of RF-BM-BG22A3(I)
4
Figure 2. Part Number Conventions of RF-BM-BG22A3(I)
4
Table of Contents
5
Table of Figures
6
Table of Tables
6
Module Configuration and Functions
8
Module Parameters
8
Table 2. Parameters of RF-BM-BG22A3(I)
8
Module Pin Diagram
9
Pin Functions
9
Figure 3. Pin Diagram of RF-BM-BG22A3(I)
9
Table 3. Pin Functions of RF-BM-BG22A3(I)
9
Specifications
11
Recommended Operating Conditions
11
Handling Ratings
11
Current Consumption
11
Table 4. Recommended Operating Conditions of RF-BM-BG22A3(I)
11
Table 5. Handling Ratings of RF-BM-BG22A3(I)
11
Table 6. Current Consumption of RF-BM-BG22A3(I)
11
Setting of Frequency Offset Register
13
Application, Implementation, and Layout
15
Module Photos
15
Recommended PCB Footprint
15
Figure 4. Photos of RF-BM-BG22A3(I)
15
Schematic Diagram
16
Figure 5. Recommended PCB Footprint of RF-BM-BG22A3(I) (MM)
16
Figure 6. Schematic Diagram of RF-BM-BG22A3(I)
16
Antenna
17
Antenna Design Recommendation
17
Antenna Output Mode Modification
17
Figure 7. Recommendation of Antenna Layout
17
External Antenna Design Recommendation of the Half-Hole ANT Pin
18
Figure 8. Antenna Output Mode Change of RF-BM-BG22A1
18
Figure 9. Antenna Output Mode Change of RF-BM-BG22A1I
18
Figure 10. Reference Design of the External Antenna
18
Figure 11. Reference Design of the External Antenna Traces
19
Figure 12. SI9000 Impedance Calculation Diagram
19
IPEX Connector Specification
20
Figure 13. Specification of Antenna Seat
20
Figure 14. Specification of IPEX Wire
20
Basic Operation of Hardware Design
21
Trouble Shooting
21
Unsatisfactory Transmission Distance
21
Vulnerable Module
22
High Bit Error Rate
22
Electrostatics Discharge Warnings
22
Soldering and Reflow Condition
22
Figure 15. Recommended Reflow for Lead-Free Solder
23
Table 7. Temperature Table of Soldering and Reflow
23
Optional Package Specification
24
Figure 16. Default Package by Tray
24
Figure 17. Package by Tape & Reel
25
Revision History
26
Contact Us
27
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RF-Star RF-BM-BG22Ax Series Specifications
General
Brand
RF-Star
Model
RF-BM-BG22Ax Series
Category
Computer Hardware
Language
English
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