Shunt
Operation
(b) To power TPA6130A2 from external power sources, place a shunt in JP1 as
illustrates.
Figure 3. Shunts Across JP1 Powered With an External Power Supply
Ensure that all external power sources are set to OFF.
Connect an external regulated power supply adjusted from 2.5 V–6 V to the module VDD (
J8
) and
GND (
J7
) banana jacks, taking care to observe marked polarity.
5. Connect audio source to J4 and J3.
6. Connect headphones to J2.
7. If this is the first time you plug in a TPA6130A2EVM after installing the software, follow this set of
Windows dialog, questions, and selections:
•
Can Windows connect to Windows Update to search for software?
No, not at this time
→
Click
Next
•
What do you want the wizard to do?
Install from a list or specific location (Advanced)
→
Click
Next
•
Search the best drivers in these locations
Un-check
Search removable media
Check
Include this location in the search:
→
Click
Browse
Browse to the software install path (default: C:\Program Files\Texas Instruments Inc\TPA6130A2
Interface)
→
Click
OK
→
Click
Next
→
Click
Finish
8. Proceed through installation.
It is not necessary to repeat steps 8 to 11, once the driver is
installed.
2.1.3
Computer Connection Issues
Use the following steps if there are connection issues after connecting the EVM USB to the host
computer:
1. Download the USB firmware from the TPA6130A2 EVM webpage
http://www.ti.com/tool/tpa6130a2evm
).
2. Unzip the
USBfirmware_V0304
folder and save to a known location.
3. Open
Device Manager
from the
Control Panel
and find the unrecognized hardware.
4. Right click on the device and open
Properties
.
5. Under the
Driver
tab click the
Update Driver
button.
6. Browse to the
USBfirmware_V0304
folder and open
dfu_driver
.
7. If the device is still unrecognized, disconnect the EVM from the computer, remove the JP4 jumper from
the EVM board, and reconnect to the host computer.
8. In
Device Manager
under
Universal Serial Bus Controllers
, this component should now display as
DFUUSB
.
9. Navigate back to the
USBfirmware_V0304
folder and run
DFUTEST.exe
.
10. In the DFUTEST window, click on the
Program EVM
button.
11. The program now opens a browser that should be navigating within the
image
folder inside the
USBfirmware_V0304
folder.
12. Click on
DFUEE.bin
once.
13. A screen should open stating, “Set EEPROM’s I2C Address to 1010000b”. Now insert JP4 jumper and
click
Ok
.
14. After a few seconds
Download Complete
should display. Click
Ok
.
3
SLOU185A – October 2006 – Revised September 2014
TPA6130A2EVM
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