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User's Guide
SLVU701A–March 2012–Revised November 2013
DRV8834 Evaluation Module
This document is provided as a supplement to the DRV8834 datasheet (SLVSB19). It details the hardware
implementation of the DRV8834 customer evaluation module (EVM).
Contents
1 Introduction .................................................................................................................. 2
2 Block Diagram ............................................................................................................... 2
2.1 Power Connectors ................................................................................................. 3
2.2 Test Stakes ......................................................................................................... 3
2.3 Jumpers ............................................................................................................. 4
2.4 Switches ............................................................................................................. 4
2.5 Motor Outputs ...................................................................................................... 4
3 Installing Drivers and Software ............................................................................................ 4
3.1 Installing the FTDI USB Driver ................................................................................... 4
3.2 Installing the DRV8834 Evaluation Board Windows Application Software ................................. 4
3.3 Running the Windows Application Software .................................................................... 4
4 The Windows Application .................................................................................................. 5
4.1 The CONFIG Control Signal ...................................................................................... 7
4.2 Configuring Switches .............................................................................................. 8
4.3 The Menu ........................................................................................................... 8
4.4 DRV8834 GPIO Control Signals ................................................................................. 8
4.5 Updating DAC Output for Current Control (VREF) ............................................................ 8
4.6 Stepper Control ..................................................................................................... 9
4.7 Move Steps Frame ............................................................................................... 11
5 Schematics and Bill of Materials ........................................................................................ 13
5.1 Schematics ........................................................................................................ 13
5.2 Bill of Materials .................................................................................................... 16
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SLVU701A–March 2012–Revised November 2013 DRV8834 Evaluation Module
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