Texas Instruments TPA2028D1YZFEVM User Manual
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Texas Instruments TPA2028D1YZFEVM User Manual

Texas Instruments TPA2028D1YZFEVM User Manual

Evaluation module
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Introduction
1.1
Description
The TPA2028D1 is a mono, filter-free Class-D audio power amplifier with automatic gain control (AGC),
dynamic range compression (DRC) and I
the perceived audio loudness, and at the same time prevent speaker damage from overdrive. The
TPA2028D1 has independent software shutdown control and a 30-step volume control. Availability in the
WCSP package makes TPA2028D1 an ideal choice for both cellular handsets and PDAs.
The TPA2028D1 evaluation module (EVM) is a complete, stand-alone audio board. It contains the
TPA2028D1 WCSP (YZF) Class-D audio power amplifier.
All components and the EVM are Pb free.
Windows is a trademark of Microsoft Corporation.
SLOU283 - February 2010
Submit Documentation Feedback
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List of Figures
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List of Tables
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C digital volume control. The AGC and DRC functions enhance
Copyright © 2010, Texas Instruments Incorporated
TPA2028D1YZFEVM
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User's Guide
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Summary of Contents for Texas Instruments TPA2028D1YZFEVM

  • Page 1: Table Of Contents

    The TPA2028D1 evaluation module (EVM) is a complete, stand-alone audio board. It contains the TPA2028D1 WCSP (YZF) Class-D audio power amplifier. All components and the EVM are Pb free. Windows is a trademark of Microsoft Corporation. SLOU283 – February 2010 TPA2028D1YZFEVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 2: Slou283 – February

    4. Install shunts in J1 and J3 as shown in Figure 1. This sets the TPA2028D1 to accept I C inputs from the EVM itself. Figure 1. Place Shunts Horizontally Across SDA and SCL TPA2028D1YZFEVM SLOU283 – February 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 3: Found New Hardware Wizard Advisory Screen

    It is not necessary to repeat steps 10. a. to c., once the driver is installed. Computer screen images showing Windows XP interface are courtesy of Microsoft Corporation SLOU283 – February 2010 TPA2028D1YZFEVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 4: Starting The Software

    1. Start the TPA2028D1 Interface by clicking the Start menu and clicking on the TPA2028D1 Interface icon. Figure 3. Starting the Software 2. The TPA2028D1 software interface is as shown in Figure TPA2028D1YZFEVM SLOU283 – February 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 5: Software Interface

    C programming interface. Follow the steps below to use the I C programming function. • At the top left corner of the GUI, click File to access the I C programming interface. SLOU283 – February 2010 TPA2028D1YZFEVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 6: Connect I 2 C Controls To Jp3

    7. Connect audio source to IN. 8. Connect speakers (8 Ω to 32 Ω) to the output banana jacks OUTP and OUTM. 9. Turn on power supply. TPA2028D1YZFEVM SLOU283 – February 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 7: Tpa2028D1Yzfevm Schematic

    TPA2028D1YZFEVM Schematic www.ti.com TPA2028D1YZFEVM Schematic Figure 6. TPA2028D1YZFEVM – YZF-Device Schematic, Page 1 SLOU283 – February 2010 TPA2028D1YZFEVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 8: Tpa2028D1Yzfevm - Yzf-Device Schematic

    TPA2028D1YZFEVM Schematic www.ti.com Figure 7. TPA2028D1YZFEVM – YZF-Device Schematic, Page 2 TPA2028D1YZFEVM SLOU283 – February 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 9: Tpa2028D1Yzfevm Pcb Layers

    TPA2028D1YZFEVM PCB Layers www.ti.com TPA2028D1YZFEVM PCB Layers Figure 8. TPA2028DYZF1EVM – YZF-Device Top Layer Figure 9. TPA2028D1YZFEVM – YZF-Device Bottom Layer SLOU283 – February 2010 TPA2028D1YZFEVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...

  • Page 10: Tpa2028D1Yzfevm Parts List

    Header 4 Pin, PCB 2,0 mm ROHS 26630401RP2 Norcomp 2663S-04 Digi-Key Jack, RCA 3-Pin PCB-RA Black ROHS PJRAN1X1U01X Switchcraft 65K7770 NEWARK Jack USB MINIB SMT-RA 5Pin ROHS UX60-MB-5ST Hirose H2959CT Digi-Key TPA2028D1YZFEVM SLOU283 – February 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...
  • Page 11 Digi-Key HW1–HW4 4-40 Screw, Steel 0.250 IN PMS 440 0025 PH Building H342 Digi-Key Fasteners COMPONENTS NOT ASSEMBLED C21, C4, C5, R2, R3, JP_VDD, JP_VOUT, JP_VIN SLOU283 – February 2010 TPA2028D1YZFEVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...
  • Page 12 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.

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