Reference Designs
Single Microcontroller 18-V/600-W BLDC Motor Control Reference Design With Bluetooth® Low Energy 5.0
Texas Instruments
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.
Features
- Single MCU integrating the motor control functionality as well as BLE connectivity600-W BLDC motor drive: operating from 6-V to 21.6-V: supports 27 -ARMS continuous winding current without heat sink in a small form factor of 70 mm x 45 mmOffers Bluetooth 5.0 SimpleLink™ solution using a 61μA/MHz Cortex M3 MCU with additional proprietary core based sensor controllerBest RX sensitivity: –96 dBm (approx.) even when motor runsBLE ultra-low power operation
Applications
- CPAP machine
- Cordless vacuum cleaner
- Fitness machine
- Cordless power tool
- Cordless handheld garden tool
- DC-input BLDC motor drive
- Off-highway vehicles electric drive
- HVAC motor control
- Lawn mower
- Robotic lawn mower
- Electric toothbrush
- Medical chair & table
- Portable printer
Product Categories
- Power management
End Equipment Reference Diagrams
Application Area
End Equipment
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