JFET

Single layer 180° sinusoidal 24V/2A sensorless BLDC driver reference design for electrical appliances

TIDA-01223

Overview

This single-layer reference design for pedestal fans and other similar appliances features 2-inch diameter pads and an integrated controller that reduces component count. In addition, sensorless control eliminates the need for Hall sensors and provides multiple protection functions such as overcurrent protection, undervoltage lockout, and overheating protection, each of which improves the robustness of the design. This reference design is suitable for 8V-24V input voltage and is capable of delivering 3A (peak)/2A (rms) phase current.

characteristic

● Nominal voltage: 24V, its peak phase current is 3A
●Single layer circuit board
● Compact size: 2 inches in diameter
● Protection functions: overcurrent protection, motor lock detection, voltage surge, overheating protection, undervoltage lockout
● TI’s patented sensorless sine wave drive technology for optimal efficiency and low noise
● Reference designs are evaluated and include design guidelines describing their operation

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Blockdiagram

Design Files

Documentation

24-V, 50-W BLDC Motor Sinusoidal Drive Reference Design for Pedestal Fans

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Update:2025-06-27 05:02:58

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