Transcription of Intelligent Stepper Motor Driver with …
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Intelligent Stepper Motor Driver with …
Application Report SLVA488A October 2011 Revised January 2014. Intelligent Stepper Motor Driver with DRV8811/18/24/25. Jose Qui ones .. Analog Motor Drives ABSTRACT. This document is provided as a supplement to the DRV8811/18/21/24/25 data sheets. It details a technique to improve real time control of an internal indexer bipolar Stepper Motor Driver such as the DRV8811, DRV8818, DRV8821, DRV8824 or DRV8825 while obtaining programmable acceleration and deceleration profiles, speed control and position control by the utilization of a conventional MSP430. microcontroller and any of the aforementioned power stages. Contents 1 Introduction and Problem Statement .. 2. 2 Stepper Motor Control High Level Functions .. 3. STEP Actuation: Acceleration, Speed Control and Deceleration Profiles .. 3. Accelerating the Motor .. 4. Stepper Speed .. 8. Decelerating the Motor .. 10.
Digital Signal Processor or Microcontroller Dual H Bridge Power Stage ENABLE_A PHASE_A VREF_A ENABLE_B PHASE_B VREF_B GPIO GPIO DAC GPIO GPIO DAC L O G I C G L O G I C
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