This is a reference design for a versatile Internet of Things (IoT) sensor board solution. It targets applications in industrial predictive maintenance, smart home/IoT appliances with gesture recognition, wearables (activity tracking), and mobile for innovative human machine interface, or HMI, (FingerSense) solutions. This reference design was developed with Renesas partner Qeexo, who provided their Automated Machine Learning platform (AutoML) for edge devices.

This reference design offers a Bluetooth® 5.0 SimpleLink™ option with better industrial noise immunity, more range, and less power for industrial applications such as power tools that operate from a 5- cell Li-ion battery. This power stage reference design uses a single Bluetooth low energy (BLE) MCU for both wireless connectivity and three-phase brushless DC (BLDC) motor trapezoidal control, designed in a single board, reducing the BOM and hence overall cost. The design demonstrates the BLE RX sensitivity of –96 dBm even when the power stage is driving motor, showing the robustness of RF performance. The design also demonstrates a small form factor power stage with overcurrent and short-circuit protection by MOSFET VDS sensing.

In a passive-entry-passive-start (PEPS) automotive system using Bluetooth® Low Energy technology, drivers enter their car and start the electric motor (or engine, in the case of an internal combustion engine) using a key fob that communicates with the car’s access systems, instead of a key.

To use the RX23W Bluetooth feature, a protocol stack conforming to the Bluetooth specification is required. Also, the Bluetooth-compliant profiles and mesh software enhance your Bluetooth product interoperability in a wide application area.

The SimpleLink CC2640R2 Software Development Kit (SDK) delivers components that enable engineers to develop applications on the Texas Instruments SimpleLink Bluetooth Low Energy CC2640R2F wireless MCU. This powerful software toolkit provides a cohesive and consistent software experience for all SimpleLink CC2640R2F users by packaging essential software components such as the Bluetooth low energy (BLE) protocol stack, TI-RTOS kernel and TI Drivers in one easy-to-use software package along with exhaustive documentation.

 

Low-power wireless standard to easily connect any product to smartphones or tablets