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This document is provided with the BOOST-DRV8848 dual brushed-motor BoosterPack™ as a
supplement to the DRV8848 datasheet (SLLSEL7). This application report details the hardware setup and
operation of the BoosterPack.
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BoosterPack, LaunchPad, Code Composer Studio are trademarks of Texas Instruments.
SLVUAE1 - December 2014
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Copyright © 2014, Texas Instruments Incorporated
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User's Guide
SLVUAE1 - December 2014
BOOST-DRV8848
BOOST-DRV8848
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Table of Contents
Related Manuals for Texas Instruments BoosterPack BOOST-DRV8848
Summary of Contents for Texas Instruments BoosterPack BOOST-DRV8848
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Page 1: Table Of Contents
Existing CCS Eclipse Projects ....................BOOST-DRV8848 GUI ......................GUI (Normal Mode) ......................GUI (Parallel Mode) ....................Parallel Mode Operation BoosterPack, LaunchPad, Code Composer Studio are trademarks of Texas Instruments. SLVUAE1 – December 2014 BOOST-DRV8848 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 2: Hardware Views
Figure 1 illustrates the BOOST-DRV8848 and Figure 2 pictures the BOOST-DRV8848 connected to the MSP430G2 LaunchPad™. Figure 1. BOOST-DRV8848 Figure 2. BOOST-DRV8848 on Top MSP430G2 LaunchPad BOOST-DRV8848 SLVUAE1 – December 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 3: Introduction To The Boost-Drv8848
Combine with TI LaunchPad kits to create a complete brushed DC motor drive and control platform • Optimized for the MSP-EXP430G2 LaunchPad with a user-friendly application to get the motor spinning in minutes Figure 3. DRV8848 Solution Size SLVUAE1 – December 2014 BOOST-DRV8848 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 4: Pinout
Parallel mode jumper in order to supply 2x current to a single brushed DC motor • Fault reporting through the nFAULT signal and LED • Onboard potentiometer for setting the current limit voltage (VREF) BOOST-DRV8848 SLVUAE1 – December 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 5: Operating The Booster Pack
UART with the software application. Figure 5. MSP-EXP430G2 Jumper Location For other LaunchPads, ensure that the appropriate jumpers are configured on pins that the BOOST- DRV8848 BoosterPack utilizes. SLVUAE1 – December 2014 BOOST-DRV8848 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 6: Hardware Connection
MSP-EXP430G2 LaunchPad and a MSP430G2553, you can take full advantage of TI's pre-written brushed motor control application (see Section 4 for additional details). NOTE: At high currents the drive stage can increase to high temperatures. BOOST-DRV8848 SLVUAE1 – December 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 7: Brushed Motor Demo Application
Right click on the User Defined folder and select New Target Configuration (Figure • Give the Target Configuration a name and select Finish Figure 6. Target Configuration SLVUAE1 – December 2014 BOOST-DRV8848 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 8: Target Configuration Setup
Go back to View -> Target Configurations • Right click the newly-created Target Configuration file and select Launch Selected Configuration (see Figure Figure 8. Launch Selected Configuration BOOST-DRV8848 SLVUAE1 – December 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 9: Connect Target Selection
Receiving this message is OK, as long as the binary was loaded. Figure 11. Load Program Complete • Close CCS SLVUAE1 – December 2014 BOOST-DRV8848 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 10: Setting Up The Boost-Drv8848 Gui
3. To run the GUI, double click the BOOST-DRV8848_GUIvX.X.exe file within the BOOST- DRV8848_GUIvX.X folder of the webapps directory. A shortcut to this .exe can be created in order to start it from other file locations. BOOST-DRV8848 SLVUAE1 – December 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 11: Spinning The Brushed Motor
4. Adjust the speed of the attached motor by sliding the bars for the PWM duty cycle. 5. Choose the decay mode and the direction of the motor by setting the respective buttons DECAY and DIR for the desired motor. SLVUAE1 – December 2014 BOOST-DRV8848 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 12: Gui (Normal Mode)
DRV8848. 8. Calculated current limit for the DRV8848 9. The equation for determining the current limit from the VREF voltage and RSENSE resistance. BOOST-DRV8848 SLVUAE1 – December 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 13: Gui (Parallel Mode)
Figure 15 illustrates the GUI in parallel mode. Figure 15. GUI (Parallel Mode) • In Parallel Mode, both outputs are controlled through the B motor inputs. SLVUAE1 – December 2014 BOOST-DRV8848 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 14: Hardware Files (Schematic/Gerber)
Hardware Files (Schematic/Gerber) The complete design files can be found in the tool folder (http://www.ti.com/tool/boost-drv8848) including the schematic, gerbers, layout files, PCB views, and bill of materials. BOOST-DRV8848 SLVUAE1 – December 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... - Page 15 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
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