MartinFowler

BLDC ceiling fan controller with sensorless sinusoidal current control

TIDA-00386

Overview

This reference design is a complete solution for a brushless DC ceiling fan controller operating on AC power. It uses the DRV10983 24V three-phase motor driver to drive the motor through sinusoidal current and sensorless control. UCC28630 converts 90-265 VAC to 24 VDC. The MSP430G2201 Value Series processor decodes the infrared signal used for speed control. The included firmware allows easy integration of standard infrared remote controls based on the NEC transmission protocol.

characteristic

● 25kHz sinusoidal sensorless control achieves minimal torque ripple and audible noise
● Universal AC working voltage range is 90Vac-265Vac.
● Precisely regulated 24Vdc enables ±1% speed regulation over the entire input voltage range
● AC switch produces only 0.6% ripple for 24Vdc for best acoustic performance
● AC/DC efficiency >85% under all load and line conditions, meeting stringent energy efficiency requirements

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Design Files

Documentation

TIDA-00386 Test Results

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Update:2025-06-23 08:35:57

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