smallembedded

Brushless DC motor with speed control

TIDA-00197

Overview

This advanced motor implements closed-loop speed control to maintain precise RPM across load torque profiles. The DRV5013 Hall-effect sensor senses the magnetic rotor position, and the DRV8308 controller determines when to drive the CSD88537ND FET that energizes the coil . Without the use of a microcontroller or firmware, the sinusoidal current minimizes noise and torque ripple, maximizing motor performance.

characteristic

● Speed controlled at 2054 RPM for any torque load up to 118 mNm (16.7 oz-in)
●Power input supports 24V to 32V and above 5A
● Outward-swing style provides good power density in 6x6x3 cm ^{3 form factor}
● RPM and maximum current can be easily modified by changing resistors
● Designed to achieve efficiency up to 71%
● The system has been fully tested and proven in practice

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Design Files

Documentation

TIDA-00197 Test Results

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