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User’s Guide
December 2002 HPL
SLOU156
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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. All products are sold subject to TI’s terms and conditions of sale supplied at the t
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EVM IMPORTANT NOTICE Texas 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 EVALUATION PURPOSES ONLY 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 required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product
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EVM WARNINGS 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 power to the device under test (DUT). Applying loads outside of the specified load impedance may result in unintended operation and/or possible permanen
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Information About Cautions and Warnings Preface About This Manual This user’s guide describes the characteristics, operation, and use of the TPA3001D1EVM. The user’s guide includes a schematic diagram, bill of mate- rials (BOM), and board layout diagrams. How to Use This Manual This document contains the following chapters: Chapter 1—Introduction Chapter 2—Quick Start Chapter 3—Bill of Materials, Schematic, and PCB Layers Trademarks PowerPAD is a trademark of Texas Instrum
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Information About Cautions and Warnings 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 situation that could potentially cause harm to you. The information in a caution or a warning is provided for your protection. Please read each caution and w
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Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.2 TPA3001D1EVM Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 2 Quick Start . . . . . . . . . . . . . . . . .
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Contents 1–1 The TI TPA3001D1 Audio Power Amplifier EVM—Top View . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1–2 The TI TPA3001D1 Audio Power Amplifier EVM—Bottom View . . . . . . . . . . . . . . . . . . . . . 1-2 2–1 Quick Start Platform Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 3–1 TPA3001D1EVM Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3–
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Chapter 1 This chapter provides an overview of the Texas Instruments (TI) TPA3001D1EVM 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. Topic Page 1.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.2 TPA3001D1EVM Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Int
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Description 1.1 Description The TPA3001D1 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 TPA3001D1 Audio Power Amplifier EVM—Top View Figure 1–2. The TI TPA3001D1 Audio Power Amplifier EVM—Bottom View Note: Single in-line header pins extend from the underside of the module circuit board to allow t
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TPA3001D1EVM Specifications The platform, which has room for a single TPA3001D1EVM, 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 a versatile array of standard audio input and output jacks and connectors. Easy-to-use configuration controls allow the platform and EVMs to quickly model many possible end-
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1-4
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Chapter 2 Follow the steps in this chapter to quickly prepare the TPA3001D1EVM for use. Using the TPA3001D1EVM 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, the audio amplifier evaluation module can be used in stand-alone operation by making connections directly to the module pins, and it can be wired directly into existing circuits or
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Configuration 2.1 Configuration The platform switch and jumper settings shown in Table 2–1 are typical for the TPA3001D1EVM and cause the TPA3001D1 to shut down when a plug is inserted into platform headphone jack J10 (see Note 3 in Table 2–1). Table 2–1.Typical TI Plug-N-Play Platform Jumper and Switch Settings for the TPA3001D1 Power Type JP1 JP2 JP3 JP4 JP5 JP6 JP7 JP8 S1 S2 (Note 2) S3 VCC (J1) ON OFF OFF ON X Mode X X ON OFF U5 AC/DC (J2) OFF ON OFF ON X Mode X X ON OFF U5 Notes: 1) ON = Ju
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Quick Start List for the Platform 2.3 Quick Start List for the Platform Follow these steps when using the TPA3001D1EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user’s guide, SLOU011, for additional details). Platform Preparations 1) Ensure all external power sources and platform power switch S1 are set to OFF. 2) Install a TPA3001D1 module in platform socket U2, taking care to align the module pins correctly (EVM power pins engage sockets U2 and U3). 3) Set s
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+ J6 VDD VR2 J10 In/Out + Right – + Left – F2 Left J8 Right J9 J7 Out Out Out Out Spk(U2-U4) C3 C2 JP8 U6 JP6 LED2 + + POWER VDD JP7 U2 HP(U5) SUPPLY S3 U2-U4 HP Source U5 U3 U4 JP5 U5 IDD B1 Off On On S1 TP1 S2 Conditioning GND Off Pwr U1 LED1 VCC JP3 Batt D1 JP2 AC/DC D2 (J2) JP1 VCC(J1) D3 TEXAS DC J3 J5 J4 INSTRUMENTS SOURCE Right Stereo Left 1997 J1 In In In D4 J2 VCC In AC/DC + In Quick Start List for the Platform Figure 2–1. Quick Start Platform Map 7 16 8 ICC F1 C1+ JP4 VR1 Power Input 6
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Quick Start List for Stand-Alone Operation Evaluation Module Preparations 12) Use jumpers GAIN0 and GAIN1 to set the gain (Table 2–4). Table 2–4.Typical TPA3001D1EVM 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) Verify correct voltage and input polarity and set the external power supply and platform power switch S1 to ON. Note: Platform LED1 should light indicating the presence of VCC, and the ev
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Quick Start List for Stand-Alone Operation Evaluation Module Preparations 6) Adjust the source signal level as needed. 7) Use jumpers GAIN0 and GAIN1 to set the gain as shown in Table 2–5. Table 2–5.TPA3001D1EVM 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 NOT installed Control Inputs Note: The control signals applied to the EVM shutdown inputs must have sufficient current capability to overcome the 120–kΩ pullup resi
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Chapter 3
! This chapter contains the bill of materials, schematic, and board layout for the TPS3001D1EVM. Topic Page 3.1 TPA3001D1EVM Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.2 TPA3001D1EVM Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.3 TPA3001D1EVM PCB Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Bill of Materials, Schematic, a
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TPA3001D1EVM Bill of Materials 3.1 TPA3001D1EVM Bill of Materials Table 3–1.TPA3001D1EVM Bill of Materials Reference Description Size Qty MFG. Part Number C1, C2 Capacitor, ceramic, 0.47 µ F, 80%/–20%, Y5V, 0805 2 Panasonic ECJ–2VF1C474Z 16 V C3–C6, C10, C11 Capacitor, ceramic, 1 µ F, 80%/–20%, Y5V, 25 V 0805 7 Panasonic ECJ–2FF1E105Z C7 Capacitor, electrolytic, 10 µ F, 35 V, SMD D 1 Panasonic ECS–T1VD106R C8,C9 Capacitor, ceramic, 0.22 µ F, 80%/–20%, Y5V, 0805 2 Panasonic ECJ–2VF1C224Z 16V C12
