SLVUD80 September   2025

 

  1.   1
  2.   Description
  3.   Features
  4. 1DRV8844AEVM PCB
  5. 2Evaluation Module Overview
    1. 2.1 Introduction
    2. 2.2 Kit Contents
    3. 2.3 Specifications
    4. 2.4 Device Information
  6. 3Evaluation Module Operation
    1. 3.1 Input Control
      1. 3.1.1 Brushed-DC Control
    2. 3.2 LEDs
    3. 3.3 EVM Description
    4. 3.4 Power Connections and Ground Planes
    5. 3.5 Test Points
    6. 3.6 Jumpers
    7. 3.7 Power Outputs
  7. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  8. 5Trademarks

3.3 EVM Description

Please refer to Figure 3-5 and Table 3-1 for the location and description of components, jumpers, and switches on the board. These jumpers are used to maintain proper functionality and the switches allow various direction and decay mode selection.

DRV8844AEVM DRV8844AEVM Description Figure 3-5 DRV8844AEVM Description
Table 3-1 DRV8844AEVM Description
LABEL DESCRIPTION
A Input potentiometers with direction and decay switches.
B All three jumpers on J5 is populated when connected LGND to VNEG.
C Buck converter to supply 3.3V to board and MCU.
D Main power supply.
E Output terminals for load connection.
F All jumpers on J2 is populated when using the onboard MCU to control the DRV8844A. Colored LEDs are used to help identify which signal is being used as input to the DRV8844A.
G DRV8844A
H Independent channel current sense resistors.
I 10-pin programming header. Used to flash new firmware to the MCU.
J Reset MCU button.
K MSPM0G1107 MCU.
L Fault and status LEDs.
M Clear fault button.