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RF-BM-BG24B1/B2
www.szrfstar.com
V1.0 - May, 2023
RF-BM-BG24B1 and RF-BM-BG24B2
EFR32BG24 Series
Bluetooth Low Energy and Bluetooth Mesh
2.4 GHz Wireless Module
with Power Amplifier
Version 1.0
Shenzhen RF-star Technology Co., Ltd.
May 26
th
, 2023
All rights reserved. Those responsible for unauthorized reproduction will be prosecuted.
Shenzhen RF-star Technology Co., Ltd.
Page 1 of 20
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Table of Contents
Related Manuals for RF-Star EFR32BG24 Series
Summary of Contents for RF-Star EFR32BG24 Series
- Page 1 Bluetooth Low Energy and Bluetooth Mesh 2.4 GHz Wireless Module with Power Amplifier Version 1.0 Shenzhen RF-star Technology Co., Ltd. May 26 , 2023 All rights reserved. Those responsible for unauthorized reproduction will be prosecuted. Shenzhen RF-star Technology Co., Ltd.
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Page 2: Device Overview
1 Device Overview 1.1 Description RF-BM-BG24B1 and RF-BM-BG24B2 are IoT wireless connectivity modules based on Silicon Labs EFR32BG24 Series SoCs. They integrate a 39 MHz crystal and a 32.768 kHz crystal, up to 1024 KB programmable flash, and 128 KB RAM making it possible in many complex applications. -
Page 3: Applications
1.3 Applications • Gateway and hubs • Location services • Sensors • Wireless healthcare applications • Smark Lighting • Asset tracking and management • Switches • Electronic Shelf Label (ESL) Shenzhen RF-star Technology Co., Ltd. Page 3 of 20... -
Page 4: Functional Block Diagram
The part numbers are of the form of RF-BM-BG24Bx where the fields are defined as follows: BG24 Company Name Module Version X: Hardware Version RF-STAR Wireless Type Chipset Bluetooth Module SiliconLabs EFR32BG24 Series Figure 2. Part Number Conventions of RF-BM-BG24Bx Shenzhen RF-star Technology Co., Ltd. Page 4 of 20... -
Page 5: Table Of Contents
5.7.3 High Bit Error Rate ..........................15 5.8 Electrostatics Discharge Warnings ......................15 5.9 Soldering and Reflow Condition ......................... 15 6 Optional Package Specification ..........................17 7 Revision History ................................19 8 Contact Us ..................................20 Shenzhen RF-star Technology Co., Ltd. Page 5 of 20... -
Page 6: Module Configuration And Functions
SMT packaging (1.27-mm half-hole pitch stamp stick) Dimension 23.35 mm × 17.0 mm × 2.2 mm Type of Antenna PCB antenna -40 ℃ ～ +85 ℃ Operating Temperature -40 ℃ ～ +125 ℃ Storage Temperature Shenzhen RF-star Technology Co., Ltd. Page 6 of 20... -
Page 7: Module Pin Diagram
PB02 GPIO PB01 PB01 GPIO PB00 PB00 GPIO VREFN VREFN Dedicated ADC VREF Negative Input VREFP VREFP Dedicated ADC VREF Positive Input PA00 PA00 GPIO PA03 PA03 GPIO PA04 PA04 GPIO Shenzhen RF-star Technology Co., Ltd. Page 7 of 20... - Page 8 Power Supply: 2.2 V ~ 3.8 V (DC-DC mode), 1.8 V ~ 3.8 V (Bypass mode), recommend to 3.3 V Ground Reset pin. Active low. Internal pull-up. RESET RESET_N In DC-DC mode, the max. pull-low voltage is 1.8 V. Shenzhen RF-star Technology Co., Ltd. Page 8 of 20...
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Page 9: Specifications
3.2 Handling Ratings Table 5. Handling Ratings of RF-BM-BG24Bx Items Condition Typ. Max. Unit Min. Storage Temperature Tstg +125 ℃ Human Body Model ±2000 Moisture Sensitivity Level Charged Device Model ±500 Shenzhen RF-star Technology Co., Ltd. Page 9 of 20... -
Page 10: Setting Of Frequency Offset Register
Find SL_DEVICE_INIT_HFXO_CTUNE, the official default value of SiliconLabs is 140, the value is needed to be changed to for RF-star’s RF-BM-BG24Bx. If the user needs to change to other values, you can directly modify it (Value range: 0 ~ 255). As shown below. Shenzhen RF-star Technology Co., Ltd. Page 10 of 20... -
Page 11: Application, Implementation, And Layout
V1.0 - May, 2023 5 Application, Implementation, and Layout 5.1 Module Photos RF-BM-BG24B1 RF-BM-BG24B2 Figure 4. Photos of RF-BM-BG24Bx 5.2 Recommended PCB Footprint Figure 5. Recommended PCB Footprint of RF-BM-BG24Bx (mm) Shenzhen RF-star Technology Co., Ltd. Page 11 of 20... -
Page 12: Schematic Diagram
RF-BM-BG24B1/B2 www.szrfstar.com V1.0 - May, 2023 5.3 Schematic Diagram Figure 6. Schematic Diagram of RF-BM-BG24Bx 5.4 Reference Design Figure 7. Reference Design of RF-BM-BG24Bx Shenzhen RF-star Technology Co., Ltd. Page 12 of 20... -
Page 13: Antenna
2. Please ensure the supply voltage is between the recommended values. The module will be permanently damaged if the voltage exceeds the maximum value. Please ensure a stable power supply and no frequently fluctuating voltage. Shenzhen RF-star Technology Co., Ltd. Page 13 of 20... -
Page 14: Trouble Shooting
5. The low voltage of the power supply is lower than the recommended value at ambient temperature, and the lower the voltage, the smaller the power is. 6. The unmatchable antennas and modules or the poor quality of antenna will affect the communication distance. Shenzhen RF-star Technology Co., Ltd. Page 14 of 20... -
Page 15: Vulnerable Module
3. If the extension wire or feeder wire is of poor quality or too long, the bit error rate will be high. 5.8 Electrostatics Discharge Warnings The module will be damaged by the discharge of static. RF-star suggests that all modules should follow the 3 precautions below: 1. - Page 16 Max. 6 ℃/s Time from 25 ℃ to Peak Temperature (t Max. 6 minutes Max. 8 minutes Time of Soldering Zone (t 20±10 s 20±10 s Figure 9. Recommended Reflow for Lead-Free Solder Shenzhen RF-star Technology Co., Ltd. Page 16 of 20...
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Page 17: Optional Package Specification
The default package method is . If you need the modules to be shipped by tape & reel, pls contact us in advance. Figure 10. Default Package by Tray Shenzhen RF-star Technology Co., Ltd. Page 17 of 20... - Page 18 RF-BM-BG24B1/B2 www.szrfstar.com V1.0 - May, 2023 Figure 11. Package by Tape & Reel Shenzhen RF-star Technology Co., Ltd. Page 18 of 20...
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Page 19: Revision History
1. The document will be optimized and updated from time to time. Before using this document, please make sure it is the latest version. 2. To obtain the latest document, please download it from the official website: www.rfstariot.com and www.szrfstar.com. Shenzhen RF-star Technology Co., Ltd. Page 19 of 20... -
Page 20: Contact Us
RF-BM-BG24B1/B2 www.szrfstar.com V1.0 - May, 2023 8 Contact Us SHENZHEN RF-STAR TECHNOLOGY CO., LTD. Shenzhen HQ: Add.: Room 502, Podium Building No. 12, Shenzhen Bay Science and Technology Ecological Park, Nanshan District, Shenzhen, Guangdong, China, 518063 Tel.: 86-755-8632 9829 Chengdu Branch: Add.: N2-1604, Global Center, North No.
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