For achieving energy efficiency, ceiling and ventilation fans are moving from simple AC induction motors to brushless DC (BLDC) motors. This reference design meets these challenges of higher efficiency and power factor by using a universal main power-supply input from 85 to 265VAC with a single stage power-factor corrected isolated flyback to convert offline voltages and can reach up to 0.92pF in 24VDC. The design also combines a fully integrated and well protected single-chip for sensorless field-oriented control (FOC) brushless motor control.
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Reference design overview and verified performance test data
Detailed overview of design layout for component placement
Complete listing of design components, reference designators, and manufacturers/part numbers
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Detailed schematic diagram for design layout and components
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | 24V, 35W sensorless FOC BLDC reference design with 85VAC to 265VAC, PF of 0.92, single-stage PFC | PDF | HTML | Jul 18, 2024 |
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