SLVA416A September   2010  – September 2021 DRV8424 , DRV8812 , DRV8813 , DRV8818

 

  1.   Trademarks
  2. 1Introduction
  3. 2Full Step vs. Microstep
    1. 2.1 The Full Step
    2. 2.2 The Micro Step
  4. 3Application Block Diagram
    1. 3.1 Microstepping Indexer
    2. 3.2 Microcontroller Side Control Signals
    3. 3.3 Microstepping Engine Algorithm
  5. 4Example Plots
  6. 5Revision History

Example Plots

On the following images, the Channel Legend applies:

  • CH1: VREF A
  • CH2: PHASE A Pin
  • CH3: Winding A Current
GUID-5326F557-56B2-476F-9609-B446A2113528-low.gif Figure 4-1 Squared Sine Wave with 256 Degrees of Microstepping
GUID-125CB19D-FD3D-4C03-9768-9969519FB9CC-low.gif Figure 4-2 Trapezoid Waveshape with 256 Degrees of Microstepping
GUID-985BD66A-37EE-47E2-AED4-062340ED6BDF-low.gif Figure 4-3 Triangular Waveshape with 4 Degrees of Microstepping