Texas Instruments TPA3001D1EVM manual

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Table of contents for the manual

  • Page 1

            December 2002 HPL User ’ s G uide SLOU156[...]

  • Page 2

    IMPORT ANT NOTICE T exas 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 orde[...]

  • Page 3

    EVM IMPORT ANT NOTICE T exas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EV ALUA TION PURPOSES ONL Y and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of[...]

  • Page 4

    EVM W ARNINGS AND RESTRICTIONS It is important to operate this EVM within the supply voltage range of 8 V to 18 V . Exceeding the specified supply voltage range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions concerning the supply voltage range, please contact a TI field representative prior to applying [...]

  • Page 5

    Information About Cautions and Warnings v Preface  About This Manual This user ’ s guide describes the characteristics, operation, and use of the TP A3001D1EVM. The user ’ s guide includes a schematic diagram, bill of mate- rials (BOM), and board layout diagrams. How to Use This Manual This document [...]

  • Page 6

    Information About Cautions and Warnings vi Information About Cautions and Warnings This book may contain cautions and warnings. This is an example of a caution statement. A caution statement describes a situation that could potentially damage your software or equipment. This is an example of a warning statement. A warning statement describes a situ[...]

  • Page 7

    Contents vii  1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Description 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 TP [...]

  • Page 8

    Contents viii  1 – 1 The TI TP A3001D1 Audio Power Amplifier EVM — T op V iew 1-2 . . . . . . . . . . . . . . . . . . . . . . . . 1 – 2 The TI TP A3001D1 Audio Power Amplifier EVM — Bottom V iew 1-2 . . . . . . . . . . . . . . . . . . . . . 2 – 1 Quick Start Platform Map 2-3 . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 9

    1-1 Introduction  This chapter provides an overview of the T exas Instruments (TI) TP A3001D1EVM class-D audio amplifier evaluation module. It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications. T opic Page 1.1 Description 1-2 . . . . . . . . . . . . .[...]

  • Page 10

    Description 1-2 1.1 Description The TP A3001D1 evaluation module (EVM) is a 20-W class-D mono audio power amplifier complete with a small number of external components mounted on a circuit board measuring approximately 2 1/4 inches by 1 1/2 inches (Figure 1 – 1 and Figure 1 – 2). Figure 1 – 1. The TI TP A3001D1 Audio Power Amplifier EVM — T[...]

  • Page 11

    TP A3001D1EVM Specifications 1-3 Introduction The platform, which has room for a single TP A3001D1EVM, is a convenient vehicle for demonstrating TI ’ s audio power amplifier and related evaluation modules. The EVMs simply plug into the platform, which automatically provides power to the modules, interconnects them correctly , and connects them to[...]

  • Page 12

    1-4[...]

  • Page 13

    2-1 Quick Start   Follow the steps in this chapter to quickly prepare the TP A3001D1EVM for use. Using the TP A3001D1EVM with the TI plug-n-play audio amplifier evaluation platform is a quick and easy way to connect power , signal and control inputs, and signal outputs to the EVM using standard connectors. However , th[...]

  • Page 14

    Configuration 2-2 2.1 Configuration Th e platform switch and jumper settings shown in T able 2 – 1 are typical for the TP A3001D1EVM and cause the TP A3001D1 to shut down when a plug is inserted into platform headphone jack J10 (see Note 3 in T able 2 – 1). T able 2 – 1. T ypical TI Plug-N-Play Platform Jumper and Switch Settings for the TP A[...]

  • Page 15

    Quick Start List for the Platform 2-3 Quick Start 2.3 Quick Start List for the Platform Follow these steps when using the TP A3001D1EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user ’ s guide, SLOU01 1, for additional details). Platform Preparations 1) Ensure all external power sources and platform power switc[...]

  • Page 16

    Quick Start List for the Platform 2-4 Figure 2 – 1. Quick Start Platform Map 3 Signal Conditioning ****CAUTION**** Do not insert or remove EVM boards with power applied ICC JP4 F1 VR1 R1 JP3 JP2 JP1 AC/DC (J2) VCC(J1) D1 D2 D3 D4 J2 J3 J4 J5 AC/DC In VCC In + J1 DC SOURCE LED1 VCC LED2 VDD R2 JP5 IDD B1 U6 POWER SUPPL Y U3 U4 U5 U1 U2 Audio Power[...]

  • Page 17

    Quick Start List for Stand-Alone Operation 2-5 Quick Start Evaluation Module Preparations 12) Use jumpers GAIN0 and GAIN1 to set the gain (T able 2 – 4). T able 2 – 4. T ypical TP A3001D1EVM Jumper Settings GAIN1 GAIN0 GAIN (dB) ON ON 12 ON OFF 18 OFF ON 23.6 OFF OFF 36 Note: ON = Jumper installed, OFF = Jumper REMOVED Power Up 13) V erify corr[...]

  • Page 18

    Quick Start List for Stand-Alone Operation 2-6 Evaluation Module Preparations 6) Adjust the source signal level as needed. 7) Use jumpers GAIN0 and GAIN1 to set the gain as shown in T able 2 – 5. T able 2 – 5. TP A3001D1EVM Gain Settings GAIN1 GAIN0 GAIN (dB) ON ON 12 ON OFF 18 OFF ON 23.6 OFF OFF 36 Note: ON = Jumper installed, OFF = Jumper NO[...]

  • Page 19

    3-1 Bill of Materials, Schematic, and PCB Layers        This chapter contains the b ill of materials, schematic, and board layout for the TPS3001D1EVM. T opic Page 3.1 TP A3001D1EVM Bill of Materials 3-2 . . . . . . . . . . . . . . . . [...]

  • Page 20

    TP A3001D1EVM Bill of Materials 3-2 3.1 TP A3001D1EVM Bill of Materials T able 3 – 1. TP A3001D1EVM Bill of Materials Reference Description Size Qty MFG. Part Number C1, C2 Capacitor , ceramic, 0.47 µ F , 80%/ – 20%, Y5V , 16 V 0805 2 Panasonic ECJ – 2VF1C474Z C3 – C6, C10, C1 1 Capacitor , ceramic, 1 µ F , 80%/ – 20%, Y5V , 25 V 0805 7[...]

  • Page 21

    TP A3001D1EVM Schematic 3-3 Bill of Materials, Schematic, and PCB Layers 3.2 TP A3001D1EVM Schematic Figure 3 – 1. TP A3001D1EVM Schematic Diagram INN INP GAIN0 SHUTDOWN PGND VCLAMP BSN PV CC OUTN OUTN PGND V CC VREF BYP ASS COSC ROSC AGND AGND BSP PV CC OUTP GAIN1 OUTP PGND PowerP AD 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13[...]

  • Page 22

    TP A3001D1EVM PCB Layers 3-4 3.3 TP A3001D1EVM PCB Layers The following illustrations depict the TP A3001D1EVM PCB assembly and layers. These drawings are not to scale. Figure 3 – 2. TP A3001D1EVM T op Layer Figure 3 – 3. TP A3001D1EVM Bottom Layer[...]