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Reference Designs

Single-Layer: 12-V: Programmable: 3-Phase BLDC Motor Driver With Speed Regulation Reference Design

Texas Instruments

This reference design is a sensorless BLDC motor sinusoidal drive using the DRV10983-Q1 motor driver and MSP430G2553 microcontroller (MCU). The MCU is only used for speed control while the DRV device is the main motor driver with integrated FETS which drives the motor. This design specifically targets small motor modules: particularly fans. This design allows access to proprietary sensorless control and the ability to tune motor parameters to optimize performance for the end application.

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Features

12-V drive capable of driving 3 phase brushless DC (BLDC) motors with sinusoidal commutationSingle-layer design reduces manufacturing costUses proprietary sensorless control scheme to provide continuous sinusoidal drive: significantly reducing pure tone acousticsMCU processes speed input: control loop: and programs motor parametersOutput slew rate and frequency configurability offered from DRV10983-Q1 adds flexibility to tune for EMC performance