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DRV8848 EVM Overview
1.2
Configuration Jumpers
A 0.100-inch pitch header connector (J5) is used to provide access to every device signal in the external
event control of the DRV8848 if desired. To disconnect the internal MSP430™ microcontroller, remove
resistor pack R5 and resistor R6.
pin is labeled on the evaluation module and matches the pin of the DRV8848.
Header Label
GND
nSLEEP
AIN1
AIN2
VINT
VREF
BIN2
BIN1
nFAULT
V3P3R
1.3
Jumpers
There are two jumpers on the DRV8848EVM module. J2 is used to connect the two sense resistors in
parallel. This allows the use of one brushed motor at higher current. J6 is used to hold the shunt when not
in use.
1.4
Motor Output
Two motor connectors are provided. Connectors J3 and J4 are available as shown in
2
GUI Software Installation
The following section explains the location and the procedure for installing the software properly.
NOTE: Make sure that no USB connections are made to the EVM until the installation is complete.
The installer also installs the GUI Composer V2 Runtime along with the GUI installation.
2.1
System Requirements
•
Supported OS – Windows 7 (32 Bit, 64 Bit)
•
Recommended RAM memory - 4 GB or higher
•
Recommended CPU Operating Speed – 3.3 GHz or higher
2.2
Installation Procedure
The following procedure will help you install the DRV8848 GUI.
Step 1. Double click on the GUIComposerApp-0.1.0.setup-win_2.0.4 as shown in
4
DRV8848EVM Hardware and GUI User Guide
Table 1
lists the connections available on the J5 header. Each header
Table 1. J5 Header Connections
Copyright © 2014–2019, Texas Instruments Incorporated
Description
Ground
Sleep mode input
AIN1 input
AIN2 input
Internal supply voltage of the DRV8848
Scale voltage to set IFS
BIN2 input
BIN1 input
Fault indication from DRV8848
3.3-V supply from FTDI FT232RL
SLLU210C – October 2014 – Revised September 2019
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Figure
2.
Figure
3.
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