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Summary of Contents for RF-Star RF-BM-4044B4
- Page 1 RF-BM-4044B4 and RF-BM-4044B5 CC2640R2FRSM Bluetooth 5.1 Low Energy Module Version 1.1 Shenzhen RF-star Technology Co., Ltd. May 26 , 2023 All rights reserved. Those responsible for unauthorized reproduction will be prosecuted.
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Page 2: Device Overview
8.5 mm x 10.5 mm x 2.0 mm 1.2 Description RF-BM-4044B4 and RF-BM-4044B5 modules are designed based on CC2640R2FRSM Bluetooth 5.1 Low Energy System-on-Chip, fully supports the single mode BLE operation. The module contains a 32-bit ARM Cortex processor, with the working frequency at 48.0 MHz which is the same as the main processor. The module has rich peripherals function libraries, and a unique ultra-low power sensor controller, which is fit for connecting the external sensors in the sleep mode and/or acquiring analog and digital data independently. -
Page 3: Applications
• Dimension - Active-mode TX at 0 dBm: 6.1 mA - Active-mode MCU: 61 μA/MHz - RF-BM-4044B4: 8 mm x 8 mm x 1.5 mm - Active-mode MCU: 48.5 CoreMark/mA - RF-BM-4044B5: 8.5 mm x 10.5 mm x 2.0 mm •... -
Page 4: Part Number Conventions
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 1.6 Part Number Conventions The part numbers are of the form of RF-BM-4044B4/4044B5 where the fields are defined as follows: 4044 Company Name Module Version B4: The Fourth Version RF-STAR B5: The Fifth Version... -
Page 5: Table Of Contents
4.7.1 Unsatisfactory Transmission Distance ..................16 4.7.2 Vulnerable Module ..........................16 4.7.3 High Bit Error Rate ..........................17 4.8 Electrostatics Discharge Warnings ......................17 4.9 Soldering and Reflow Condition ......................... 17 Shenzhen RF-star Technology Co., Ltd. Page 4 of 23... - Page 6 RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 5 Optional Package Specification ..........................19 6 Certification ..................................21 5.1 SRRC ................................... 21 6 Revision History ................................22 7 Contact Us ..................................23 Shenzhen RF-star Technology Co., Ltd. Page 5 of 23...
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Page 7: Module Configuration And Functions
Package SMT Packaging (1.27-mm half-hole pitch stamp stick) Frequency Error ±20 kHz RF-BM-4044B4: 8.0 mm x 8.0 mm x 1.5 mm Dimension RF-BM-4044B5: 8.5 mm x 10.5 mm x 2.0 mm Type of Antenna Chip Antenna / half hole RF ANT pin Operating Temperature -40 ℃... -
Page 8: Module Pin Diagram
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 2.2 Module Pin Diagram RF-BM-4044B4 RF-BM-4044B5 Figure 3. Pin Diagram of RF-BM-4044B4/4044B5 2.3 Pin Functions Table 3. Pin Functions of RF-BM-4044B4/4044B5 Name Chip Pin Pin Type Description P00/RX DIO_0 Digital I/O GPIO, Sensor Controller, high-drive capacity... -
Page 9: Specifications
Charged Device Model ±750 3.3 Power Consumption Table 6. Table of Power Consumption When measured on the RF-BM-4044B4 reference design with T A = 25 ℃, V BAT = 3.3 V with DC/DC enabled unless otherwise noted. Test Item Average Current... -
Page 10: Rf Test
3.4 RF Test Table 7. Table of RF Test When measured on the RF-BM-4044B4 reference design with T A = 25 ℃, V BAT = 3.3 V with DC/DC, channel of 39 (2442 MHz) enabled unless otherwise noted. Test Item... -
Page 11: Application, Implementation, And Layout
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 4 Application, Implementation, and Layout 4.1 Module Photos RF-BM-4044B4 RF-BM-4044B5 Figure 4. Photos of RF-BM-4044B4/4044B5 Shenzhen RF-star Technology Co., Ltd. Page 10 of 23... -
Page 12: Recommended Pcb Footprint
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 4.2 Recommended PCB Footprint RF-BM-4044B4 RF-BM-4044B5 Figure 5. Recommended PCB Footprint of RF-BM-4044B4/4044B5 (mm) Shenzhen RF-star Technology Co., Ltd. Page 11 of 23... -
Page 13: Schematic Diagram
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 4.3 Schematic Diagram Figure 6. Schematic Diagram of RF-BM-4044B4/4044B5 Shenzhen RF-star Technology Co., Ltd. Page 12 of 23... -
Page 14: Reference Design
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 4.4 Reference Design Figure 7. Reference Design of RF-BM-4044B4/4044B5 4.5 Antenna 4.5.1 Antenna Design Recommendation 1. The antenna installation structure has a great influence on the module performance. It is necessary to ensure the antenna is exposed and preferably vertically upward. -
Page 15: External Antenna Design Recommendation Of The Half-Hole Ant Pin
The traces are as short as possible, and 135° or arc traces are used as much as possible. No vias are used to change layers. More GND vias are placed around the RF traces. Figure 9. Reference Design of the External Antenna Figure 10. Reference Design of the External Antenna Traces Shenzhen RF-star Technology Co., Ltd. Page 14 of 23... -
Page 16: Basic Operation Of Hardware Design
5. Assuming that the module is soldered or placed in the Top Layer, it is also wrong to randomly route the Bottom Layer or other layers, which will affect the spurs and receiving sensitivity of the module to some degree; Shenzhen RF-star Technology Co., Ltd. Page 15 of 23... -
Page 17: Trouble Shooting
3. Due to some humidity-sensitive components, please ensure suitable humidity during installation and application. If there is no special demand, it is not recommended to use at too high or too low temperature. Shenzhen RF-star Technology Co., Ltd. Page 16 of 23... -
Page 18: High Bit Error Rate
3. If the extension wire or feeder wire is of poor quality or too long, the bit error rate will be high. 4.8 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 19 RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 Figure 12. Recommended Reflow for Lead-Free Solder Shenzhen RF-star Technology Co., Ltd. Page 18 of 23...
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Page 20: 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 13. Default Package by Tray Shenzhen RF-star Technology Co., Ltd. Page 19 of 23... - Page 21 RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 Figure 14. Package by Tape & Reel Shenzhen RF-star Technology Co., Ltd. Page 20 of 23...
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Page 22: Certification
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 6 Certification 5.1 SRRC SRRC CMIIT ID: 2019DP5829 Figure 15. SRRC Certificate of RF-BM-4044B4 Shenzhen RF-star Technology Co., Ltd. Page 21 of 23... -
Page 23: 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 22 of 23... -
Page 24: Contact Us
RF-BM-4044B4/B5 www.szrfstar.com V1.1 - May, 2023 7 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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