SLOU559 April   2023

 

  1.   Abstract
  2.   Trademarks
  3. Introduction
    1. 1.1 DRV8845 Quad H-bridge motor driver
    2. 1.2 DRV8849 Dual Stepper driver
  4. Jumpers Table and Setup
  5. Software Setup
  6. Cloud-based GUI
  7. Local Installation
  8. Hardware Setup
  9. Launching the DRV884x-EVM-GUI Application
  10. GUI Operations DRV8845
  11. GUI Operations DRV8849
  12. 10Updating Firmware
  13. 11Revision History

Jumpers Table and Setup

The jumpers for the DRV8845EVM Figure 2-1 and DRV8849EVM Figure 2-2 are identical except for J5 and J13 and the below figures can be referred to for proper connection.

GUID-20230324-SS0I-DBJM-BVRH-JJCWLZDDRBTJ-low.png Figure 2-1 DRV8845EVM Jumper Population Guide
GUID-20230324-SS0I-QDN7-QRLT-GTBFWP7FSL8Z-low.png Figure 2-2 DRV8849EVM Jumper Population Guide
Table 2-1 Jumper Identification Table

Jumpers

DRV8845EVM/DRV8849EVM

J1-J4OUT1A, OUT1B – OUT4A, OUT4B

J5

Connect VREF1 with VREF 3 and VREF2 with VREF4 for DRV8845EVM

Leave unconnected for DRV8849EVM

J6

Push button to reset MCU

J7

MCU to DRV signals

J8

VM

J10

EZ FET communication jumpers

J11

Micro USB connection

J13

Jumpers for parallel drive

Note that the labels for Jumpers J5 and J7 are separated with a “/” where the left label corresponds to DRV8845 and the right one corresponds to DRV8849.

For more detailed information download the hardware files and schematics. Once you have verified that all shunts and jumpers are in the correct location you can move on to hardware setup.