Table of Contents
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1
Introduction
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2
3
TPA2054D4EVM Schematic
4
TPA2054D4EVM PCB Layers
5
TPA2054D4EVM Parts List
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2
3
4
5
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C Controls to JP3
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Jumpers Default Setting
2
Test Points Information
3
TPA2054D4EVM Parts List
1
Introduction
1.1
Description
The TPA2054D4EVM is a stereo Class-D power amplifier along with a stereo DirectPath™ headphone
amplifier. Both input channels have 32-step volume control and the DirectPath headphone amplifier has a
4-step level gain control with power limiter. The volume is controlled through an I
amplifiers have output short-circuit and thermal-overload protection.
The TPA2054D4EVM ( evaluation module) is a complete, stand-alone audio board. It contains the
TPA2054D4 WCSP(YZK) Class-D audio subsystem.
All components and the EVM are lead free.
DirectPath is a trademark of Texas Instruments.
Windows is a trademark of Microsoft Corporation.
2
I
C is a trademark of Philips Electronics.
SLOU249 - April 2009
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Contents
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List of Figures
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List of Tables
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User's Guide
SLOU249 - April 2009
TPA2054D4EVM
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Related Manuals for Texas Instruments TPA2054D4EVM
Summary of Contents for Texas Instruments TPA2054D4EVM
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Page 1: Table Of Contents
Introduction Description The TPA2054D4EVM is a stereo Class-D power amplifier along with a stereo DirectPath™ headphone amplifier. Both input channels have 32-step volume control and the DirectPath headphone amplifier has a 4-step level gain control with power limiter. The volume is controlled through an I C™... -
Page 2: Operation
Ω Minimum load impedance (Headphone) Operation The TPA2054D4EVM can be evaluated in a stand-alone mode or when connected to existing circuits with C controls. Quick Start for Stand-Alone Operation A desktop or laptop computer running the Windows™ XP operating system is required for the stand-alone operation. -
Page 3: Stereo Differential Mode Input Configuration
3. Install shunts in JP2 and JP3 as shown in Figure 3. This sets the TPA2054D4 to accept I C inputs from the EVM itself. Shunts, Across SCL and SDA Figure 3. Place Shunts Horizontally Across SCL and SDA SLOU249 – April 2009 TPA2054D4EVM Submit Documentation Feedback... - Page 4 Filtered OUTR+, OUTR-, OUTL-, TP5, TP6, TP7, TP8 OUTL+ HPVSS TP10 INR_1 TP11 INL_1 TP12 INL_2 TP13 INR_2 HPRIGHT HPLEFT TP18 DVDD TP20 TP23 TP24 HPVDD TP27 VREF TP19, TP21, TP22, TP25, TP26 TPA2054D4EVM SLOU249 – April 2009 Submit Documentation Feedback...
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Page 5: Starting The Tpa2054D4 Interface
1. Start the TPA2054D4 Interface by clicking the Start menu and clicking the All Programs → Texas Instruments Inc → TPA2054D4 Interface cascading menus shown in Figure Figure 4. Starting the TPA2054D4 Interface SLOU249 – April 2009 TPA2054D4EVM Submit Documentation Feedback... -
Page 6: Tpa2054D4Evm Graphical User Interface
2. The TPA2054D4 software graphical user interface displays as shown in Figure Figure 5. TPA2054D4EVM Graphical User Interface Note: The TPA2054D4 powers up with the amplifiers disabled, muted, and the gain set to the minimum. To hear an output, enable and remove the mute for each channel, plus the gain to a higher value. - Page 7 TPA2054D4. Device address is from 1 to 7, which is the register address of TPA2054D4. 5. To record all the changes made in the GUI and store the changes in a text file. a. Select Record Script button. SLOU249 – April 2009 TPA2054D4EVM Submit Documentation Feedback...
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Page 8: Connect I
Quick Start List When Connected to External I C Controller The TPA2054D4EVM can be connected to existing circuits with I C controls. Connections to the EVM module can be made using banana plugs for the power supply. The inputs accept standard RCA plugs. -
Page 9: Tpa2054D4Evm Schematic
TPA2054D4EVM Schematic www.ti.com TPA2054D4EVM Schematic Figure 7. TPA2054D4EVM Schematic SLOU249 – April 2009 TPA2054D4EVM Submit Documentation Feedback... -
Page 10: Tpa2054D4Evm - Top Layer
TPA2054D4EVM PCB Layers www.ti.com TPA2054D4EVM PCB Layers Figure 8. TPA2054D4EVM – Top Layer Figure 9. TPA2054D4EVM – Layer 2 TPA2054D4EVM SLOU249 – April 2009 Submit Documentation Feedback... -
Page 11: Tpa2054D4Evm - Layer
TPA2054D4EVM PCB Layers www.ti.com Figure 10. TPA2054D4EVM – Layer 3 Figure 11. TPA2054D4EVM – Bottom Layer SLOU249 – April 2009 TPA2054D4EVM Submit Documentation Feedback... - Page 12 TPA2054D4EVM Parts List www.ti.com TPA2054D4EVM Parts List Table 3. TPA2054D4EVM Parts List Description Size MFR / Part No. Vendor / Part No. C15, C44 CAP, TANT, 100µF, 10V, 10%, LOESR SMD EPCOS/B45197A2107K309 DigiKey/495-1528-2-ND Capacitor, ceramic, 1.0uF, ±10%, X5R, 10 V C1–C4,C45,C46...
- Page 13 TPA2054D4EVM Parts List www.ti.com Table 3. TPA2054D4EVM Parts List (continued) Description Size MFR / Part No. Vendor / Part No. J7–J10 Phono jack, PC mount, switched Switchcraft/PJRAN1X1U03 Newark/16C1860 J5, J6, J11–J14 Banana Jack w/knurled Thumbnut (nickel plate) Emerson/111-2223-001 Digi-Key/J587 Stereo headphone jack, 3.5mm...
- Page 14 EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
- Page 15 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
- Page 16 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPA2054D4YZKEVM...
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