Texas Instruments DRV8803 User manual

DRV8803/04/05/06 Evaluation Module
User's Guide
Literature Number: SLVU574B
September 2011–Revised July 2019

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Table of Contents
Contents
1 Trademarks......................................................................................................................... 4
2 PCB.................................................................................................................................... 5
2.1 Test Points ................................................................................................................ 6
2.2 Connectors................................................................................................................ 7
2.3 Jumpers/Resistors ....................................................................................................... 8
2.4 Motor Outputs............................................................................................................. 9
3 GUI Software Installation .................................................................................................... 10
3.1 System Requirements.................................................................................................. 10
3.2 Installation Procedure.................................................................................................. 10
4 The Windows Application.................................................................................................... 22
4.1 DRV8803 ................................................................................................................ 22
4.2 DRV8804 ................................................................................................................ 23
4.3 DRV8805 ................................................................................................................ 24
4.4 DRV8806 ................................................................................................................ 25
4.5 GUI Description/Functionality......................................................................................... 26
4.6 DRV880x GPIO Control Signals...................................................................................... 28
4.7 PWM Control............................................................................................................ 31
4.8 Motor Control............................................................................................................ 32
4.9 Speed Control........................................................................................................... 34
4.10 Acceleration Control.................................................................................................... 34
4.11 Diagnostic Output....................................................................................................... 35
4.12 Controlling the EVM Using External Signals........................................................................ 35
5 Schematics........................................................................................................................ 35

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List of Figures
List of Figures
1 DRV8803/04/05/06 PCB.................................................................................................... 5
2 Test Points.................................................................................................................... 6
3 Power Connectors........................................................................................................... 7
4 Jumpers/Resistors........................................................................................................... 9
5 Motor Outputs............................................................................................................... 10
6 Setup_DRV8803/04/05/06_EVM.exe.................................................................................... 11
7 Installation Initialization.................................................................................................... 11
8 License Agreement ........................................................................................................ 12
9 NI License Agreement..................................................................................................... 12
10 Installation Directory Screen.............................................................................................. 13
11 Component Selection...................................................................................................... 13
12 Configure Proxy ............................................................................................................ 14
13 Ready to Install............................................................................................................. 14
14 Downloading RTE.......................................................................................................... 15
15 LabVIEW RTE Self Extraction............................................................................................ 15
16 LabVIEW RTE Installation Initialization.................................................................................. 16
17 Installation of LabVIEW RTE in Progress............................................................................... 16
18 FTDI Installation Initialization ............................................................................................. 17
19 Driver Installation Wizard.................................................................................................. 18
20 License Agreement for FTDI Driver...................................................................................... 19
21 Driver Installation Completion ............................................................................................ 19
22 Installation Complete....................................................................................................... 20
23 Readme Window ........................................................................................................... 20
24 DRV8803 Tab............................................................................................................... 22
25 DRV8804 Tab............................................................................................................... 23
26 DRV8805 Tab............................................................................................................... 24
27 DRV8806 Tab............................................................................................................... 25
28 Menu......................................................................................................................... 26
29 View.......................................................................................................................... 26
30 Schematic Window......................................................................................................... 27
31 Debug Window ............................................................................................................. 27
32 Help Window................................................................................................................ 28
33 About Window .............................................................................................................. 28
34 GPIO Control Signals...................................................................................................... 29
35 SMx .......................................................................................................................... 30
36 DRV8803 PWM Control ................................................................................................... 31
37 Motor Control ............................................................................................................... 32
38 DRV88003/04/05 Motor Control Windows .............................................................................. 33
39 DRV88003/04/05 Speed Control Windows ............................................................................. 34
40 DRV88003/04/05 Acceleration Control Windows ...................................................................... 34
41 Acceleration Control ....................................................................................................... 35

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List of Figures
1 Trademarks
All trademarks are the property of their respective owners.

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DRV8803/04/05/06 Evaluation Module
User's Guide
SLVU574B–September 2011–Revised July 2019
DRV8803/04/05/06 Evaluation Module
This document is provided as a supplement to the DRV8803/DRV8804/DRV8805/DRV8806 datasheets. It
details the hardware implementation of the DRV8803/04/05/06 EVM Customer Evaluation Module (EVM).
2 PCB
Figure 1. DRV8803/04/05/06 PCB

Test Points
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2.1 Test Points
Every pin on the DRV88xx device has been brought out to a test point, and labels on the silkscreen
identify each signal. These are Kelvin connections and are not meant to be used to drive high currents.
These can be used as a sense line.
For those pins that change functionality depending on the respective device being used, a table is
provided with corresponding function name on its particular column.
Figure 2. Test Points

J6
J12
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2.2 Connectors
2.2.1 Power Connectors
The DRV88xx Customer EVM offers access to VM (Motor Voltage) power rail via a terminal block (J6) and
header pins (J7). A set of test clips at the top of the board in parallel with the terminal block allows for the
monitoring of the input power rail. The polarity of the terminal connections are mentioned in the silkscreen.
User must power the EVM using the correct polarity. User must apply VM according to datasheet
recommended parameters.
Figure 3. Power Connectors

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2.2.2 Control Signals
The header J12 brings out all the control signals of the IC. For the pins that have multiple functionality
depending on the IC used, the various functions are labeled in a table. The correct functionality can be
ascertained from this table in the column corresponding to the IC being used. While the signals are being
driven using the on-board MCU, these pins can be used to monitor the signals. However, the user can
also apply external signals using this header. In such a case, the on-board MCU should be powered off by
de-populating the MCU_PWR jumper. This will ensure that the there is no conflict between the signals
applied externally and the signals being forced by the on-board MCU. If only a few signals are being
driven externally and the user wants to retain the on-board MCU for the remaining signals, the
corresponding resistors R12-R18 can be de-soldered to ensure that there is no conflict.
2.3 Jumpers/Resistors
nFault – If a jumper is applied at nFault (JP5), the LED (D4) will light in the case of a fault. Even if the
jumper is not applied, the voltage of the nFault can be monitored across the two pin headers (JP5 or
JP12).
LDO Supply – There is an LDO (TPS7A4001DGNT) on board that can regulate the VM voltage down to
3.3 V. This voltage (VDD) is used to power the on board MCU (MSP430F2617) and is also used as the
pull-up for the nFault pin. This voltage is used to light up the nFault LED. If a jumper is not applied to LDO
supply (JP6), the onboard MCU is no longer powered. If a jumper is not applied, the user must drive the
part using an external MCU by applying signals to the signal headers (J12), and the user must apply a
VDD to implement the nFault LED function. If a jumper is applied the onboard MCU is powered on and
can be used to drive the part.
NOTE: If the user is applying an external VDD, please ensure that the jumpers JP6 (LDO Supply)
and JP4 (MCU_PWR) are de-populated.
MCU_PWR - Applying a jumper at MCU PWR (JP4) enables the MSP430 and logic on the EVM. If the
jumper is not applied, the user must implement an MCU or apply signals to the signal headers (J12). If the
jumper is not applied nFault still receives VDD (3.3 V). If jumper at (JP4) is applied, MCU-RST works as a
manual reset button for the MCU.
NOTE: Both JP4 and JP6 must be populated to enable the on board MCU and use the
DRV8803/04/05 EVM software.
Resistors – R8, R9, R10, R11 are resistors used to identify which device is being implemented on the
EVM (DRV8803, 04, 05 or 06). The MCU powers up based on these resistors. However, the GUI can be
used to select the device on the EVM too. If the user changes the DRV8803 to another flavor of the IC
(namely DRV8804/05/06) the appropriate tab in the GUI should be selected and ‘CONFIGURE DEVICE’
should be selected.

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Figure 4. Jumpers/Resistors
2.4 Motor Outputs
There are two ways of connecting a bipolar stepper motor into the EVM: five pin header (J8), and five
position terminal block (J9). The optimal way to connect a DC motor is the two pin headers (J1/J2/J3/J4).
Although feasible, we do not recommend the connection of any motor into the test clips as these are
Kelvin connections and are not rated for high current output. All pins are labeled on the silk-screen for
clarity.

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Figure 5. Motor Outputs
3 GUI Software Installation
The following section explains the location of files and the procedure for installing the software correctly.
NOTE: Ensure that no USB connections are made to the EVM until the installation is completed.
The installer will also install LabVIEW RTE 2014 and FTDI Driver, along with the GUI.
3.1 System Requirements
• Supported OS – Windows 7 (32 Bit, 64 Bit). The window text size should be Smaller-100% (Default)
• Recommended RAM - 4 GB or higher
• Recommended CPU Operating Speed – 3.3 GHz or higher
3.2 Installation Procedure
The following procedure helps you install the DRV8803/04/05/06 EVM GUI
1. Double click on the Setup_DRV8803/04/05/06_EVM.exe as in Figure 6.

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Figure 6. Setup_DRV8803/04/05/06_EVM.exe
2. The screen in Figure 7 appears, indicating installer initialization. Click the Next button.
Figure 7. Installation Initialization
3. In the newly open installation pop-up window, click Next. The license agreement will be displayed.
Please, read through it carefully and enable the "I Accept the Agreement" radio button and press Next.

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Figure 8. License Agreement
4. A screen as shown in Figure 9 appears, displaying the license agreement of National Instruments.
Please read through the agreement carefully and enable the “I Accept the License Agreement” radio
button and press the Next button.
Figure 9. NI License Agreement
5. Set the default directory for the GUI Installation and click Next.

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Figure 10. Installation Directory Screen
NOTE: It is highly recommended to keep the default values as provided in the installer.
6. A screen as shown in Figure 11 appears. This screen is to select the components to install. Select the
Components to Install and Click Next to continue installation. The LabVIEW RTE component checks
out if the LabVIEW RTE 2014 is already installed on the PC.
Figure 11. Component Selection
7. If LabVIEW RTE is selected as a component to install, a screen appears as shown in Figure 12.
Configure the proxy settings as required. This screen is to download the LabVIEW RTE 2014 from
ni.com, Click Next to continue the installation.

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Figure 12. Configure Proxy
8. A screen as shown in Figure 13 appears. Click Next to begin the installation.
Figure 13. Ready to Install
9. If the LabVIEW RTE 2014 is selected as a component to install, LabVIEW RTE downloads and
performs a silent mode installation.

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Figure 14. Downloading RTE
10. Once the download completes, LabVIEW begins with the self-extraction as shown in Figure 15.
Figure 15. LabVIEW RTE Self Extraction
11. A screen appears as shown in Figure 16. It initializes the LabVIEW RTE Installation.

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Figure 16. LabVIEW RTE Installation Initialization
12. A display as shown in Figure 17 appears which indicates the progress of LabVIEW RTE installation.
Figure 17. Installation of LabVIEW RTE in Progress

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13. Once the LabVIEW RTE 2014 is installed, Setup_DRV8803/04/05/06_EVM GUI component installs.
14. After Setup_DRV8803/04/05/06_EVM Installation, FTDI Installation begins. A screen as shown in
Figure 18 appears, click Extract to proceed.
Figure 18. FTDI Installation Initialization
15. A screen as shown in Figure 19 appears, click Next to proceed.

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Figure 19. Driver Installation Wizard
16. The License Agreement appears on screen as shown in Figure 20.
17. Read through the License Agreement carefully and enable the “I Accept this Agreement” radio button
and Click on Next.

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Figure 20. License Agreement for FTDI Driver
18. Click Finish to complete the Driver Installation.
Figure 21. Driver Installation Completion

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19. Figure 22 appears denoting the completion of DRV8803/04/05/06 EVM GUI Installation. Click Finish.
Figure 22. Installation Complete
20. A Readme window as shown in Figure 23 appears displaying the link for LV 2014 RTE.
Figure 23. Readme Window