Texas Instruments TAS5602EVM2 User manual

1 Introduction

1.1 Description

1.2 TAS5602EVM2 Specifications

User's GuideSLAU258 – August 2008

TAS5602EVM2 Audio Power Amplifier Evaluation Module

Contents1 Introduction ................................................................................................................... 12 Operation ..................................................................................................................... 23 Reference ..................................................................................................................... 5

List of Figures

1 Suggested Process Flow for TAS5602EVM2 ............................................................................ 22 TAS3308EVM/ TAS5602EVM2 External Connections.................................................................. 33 TAS5602EVM2 Schematic ................................................................................................. 54 TAS5602EVM2 – Top Side Layout ........................................................................................ 65 TAS5602EVM2 – Bottom Side Layout .................................................................................... 6

List of Tables

1 Bill of Materials for TAS5602EVM2 – BDBTL ............................................................................ 7

The TAS5602EVM2 evaluation module consists of a single class-D stereo audio power amplifier completewith a small number of external components mounted on a circuit board that can be used to directly drivespeakers using a TAS3308 EVM as the input. The input connector for the TAS5602EVM2 is configured toconnect directly to the TAS3308 EVM PWM connector. The TAS5602EVM2 can be configured to drive 2stereo BTL channels up to 20W/ch or 4 SE (single-ended) channels up to 10/ch. It is also possible toconfigure the EVM to drive speakers in a 2.1 configuration with 2 channels of SE stereo and one channelof BTL subwoofer. The user can also connect to the TAS5602EVM2 input with a ribbon cable from atarget system if desired.

This document assumes that the user has obtained a TAS3308 EVM and has set up the PurePathStudio™ software on a test computer with USB interface. The Quick Setup Guide in the TAS3308 EVMUser's Guide (TI document SLEU093 ) describes a method to get the TAS3308 EVM up and runningefficiently.

The TAS3308 EVM outputs 6 PWM channels plus a VALID/SYNC signal. The six PWM channels aregrouped into three stereo channels named PWM1 L and R, PWM2 L and R, and PWM3 L and R. TheTAS5602EVM2 is configured to connect to PWM3, which consists of 4 output lines

VALUE UNIT

Supply voltage range 10 to 26 VI

Supply current 4 A rmsP

Continuous output power per channel: 8 ΩBTL, VCC = 18 V, THD+N = 10% 20 WR

Minimum load impedance, 4 Ω

PurePath Studio is a trademark of Texas Instruments.

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2 Operation

2.1 Quick Start Guide for use with TAS3308 Digital Audio Signal Processor

Operation

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Follow these steps to use the TAS5602EVM2 along with the TAS3308 EVM. Power and speakerconnections to the EVM module can be made by inserting stripped wire or using banana plugs for thepower supply and output connections. The inputs can be connected directly to the TAS3308 EVM via the2×20 pin header. Set up the TAS3308 according to the instructions given in the TAS3308EVM User'sGuide (SLEU093 ). Download the TAS5602 configuration file from the TAS5602 product folder. This can beused to optimize the TAS3308 set-up for the TAS5602 power stage.

Some additional adjustments to the Pure Path Studio™ setup for TAS3308 may be necessary to run theTAS5602EVM2.

1. The input selection is performed by selecting the StereoMux and changing the Mux Select Property toStereoCh1 or StereoCh2 depending on the type of signal being used. Select StereoCh1(TAS3308ADCIn-1) if it is Analog input; select StereoCh2 (TAS3308SAPIn-1) if it is SPDIF formatdigital input.2. Build the process flow above and select Build/Generate Code3. Select Build/Download, and then Run.4. Press the Mute button on the TAS3308 EVM to turn it to the OFF state. The MUTE indicator LEDshould turn off. This is necessary since the TAS3308 EVM transitions to the run mode with the MUTEin the ON state.

Figure 1. Suggested Process Flow for TAS5602EVM2

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2.2 Connect the TAS3308 EVM to TAS5602EVM2

USB

Input

Optical Input

9V Supply

Inputs

10-26V Supply

Inputs

TAS5602 Power

Stage

TAS3308 Audio

System

2.3 Power Supply

2.4 Evaluation Module Preparations

www.ti.com

Operation

Place the TAS3308 EVM and TAS5602EVM2 at the same height and let the 40 pin connector on eachboard face each other. Push them together carefully until they make a solid connection

Figure 2. TAS3308EVM/ TAS5602EVM2 External Connections

1. Three power supplies are required: two 9V, 1.7A power supplies for the TAS3308 EVM and one 10V -26V, 4A supply for the TAS5602EVM2.2. Ensure that all external power sources are set to OFF.3. Connect the two 9V supplies to the TAS33088 EVM. Connect the power supply adjusted from10V–26V to the module TAS5602 PVCC and GND banana jacks taking care to observe markedpolarity.

Speaker Connections (BTL Configuration)1. Connect a speaker across OUTA ( J2) and OUTB ( J4). Connect another speaker across OUTC ( J6)and OUTD ( J8)2. Install Jumpers 1-5.

Speaker Connections (SE Configuration)1. Connect a speaker across the following pairs of jacks: OUTA ( J2) and GND ( J3), OUTB ( J4) and GND(J5) , OUTC ( J6) and GND ( J7), and OUTD ( J8) and GND ( J9).2. Remove Jumpers 1-5.

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2.5 Power Up

Operation

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Control Inputs1. HIZ: This terminal is active LOW. This terminal can be used to ( < 1ms) disable the output switching inthe event of a power failure. If the HIZ is tied to RESET, the volume ramps up slowly at start-up, butthe output switching is stopped at power down. Place JP6 in the NORM position to bypass thefunction. This position ties HIZ to the 3.3 V supply. Place JP6 in the RESET position to tie HIZ toRESET. Place JP6 in the EXT position if manual test is desired. When JP6 is in the EXT position, theHIZ pin is accessible via the test point "EXT" and the HIZ function can be exercised by grounding thistest point to the board ground. The PGND at the power supply ground can be used for this test.2. RESET: This terminal is active LOW. This terminal can be used for pop-free start/stop.3. FAULT: This terminal is active LOW. This terminal is used to indicate short circuit faults. If this pin islow, a short circuit at the output has been detected. FAULT will be reset if the RESET pin is pulled low,or the PVCC supplies are turned off. Thermal fault is not reported on this pin.4. THERM_WARN: This terminal is a TTL compatible push-pull output. Thermal warning flag goes low ifthe die temperature has reached 125 °C. This pin is automatically reset if the temperature drops backbelow 105 °C. The THERMAL WARNING LED lights when this pin goes low.5. SE/ BTL: This pin controls the starting up timing based on the output configuration. If SE/ BTL isconnect to DVDD (SE), the start-up is slow to allow a pop-free start-up in single-ended configurations.If the SE/ BTL is connect to GND, the start-up is faster, as desired, for BTL configurations. Use thejumper, JP1, to set this function.

1. Verify correct voltage and input polarity for the ±9V supplies for the TAS3308 EVM and 10V - 26Vsupply for the TAS5602EVM2. Turn the TAS3308 power supplies ON.2. Prepare the TAS3308 EVM for audio play by using the Quick Setup Guide in the TAS3308EVM User'sGuide (TI document SLEU093). The user may want to turn down the volume on the audio source priorto enabling the audio outputs to the TAS5602 audio amplifier. Connect the audio source to theTAS3308 EVM and use the Pure Path Studio GDE to select the correct Mux to route the audio signalto the PWM3 output.3. Turn on the power supply for the TAS5602EVM2. LED2 next to the PVCC jack on the TAS5602EVM2should be lit. Audio power should be reaching the speakers (loads) at this time.4. Adjust the audio level using the Pure Path Studio GDE to produce the required audio signal.

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3 Reference

3.1 TAS5602EVM2 Schematic

PCB

EDGE

PCB

16-NC

6-3.3V

4-5V

BTL

14-NC

8-3.3V

2-5V

PGND

EDGE

PGND

0.68ufd

0.01ufd

0.68ufd

C5-C8

OUT

JP2-5

BTL

PGND PGND

PGND

39-GND

40-PWM1LB

37-GND

36-PWM1RB

33-GND

34-PWM1RA

31-GND

30-PWM2LA

27-GND

28-PWM2RB

25-GND

24-PWM3LB

21-GND

22-PWM3LA

19-GND

18-PWM3RA

15-GND

13-GND

12-FAULT

9-GND

10-VALIDSYNC

7-GND

3-GND

1-GND

IN = BTL (DEFAULT)

OUT = SE

PGND

JP6

1-2

3-4

RESULT

HI-Z =RESET

35-GND

38-PWM1LA

29-GND

32-PWM2LB

23-GND

26-PWM2RA

17-GND

20-PWM3RB

11-GND

5-GND

THERMAL

PGND

OUT

AD MODE Singled Ended

AD MODE BTL

BD MODE BTL

C31/32

MODE

STUFF OPTION

PGND

RECONSTRUCTION FILTER

PGND

5-6 HI-Z = EXT TP

PINs TAS5602EVM2

PGND PGND

PGND

SE/BTL MODE

POWER SUPPLY

WARNING

PA1 = NORMAL OP

HI-Z CONTROL

CONTROLLER

HIGH VOLTAGE

TAS5602DCA

PA1

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Reference

Figure 3. TAS5602EVM2 Schematic

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3.2 TAS5602EVM2 PCB Layers

Reference

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Figure 4. TAS5602EVM2 – Top Side Layout

Figure 5. TAS5602EVM2 – Bottom Side Layout

TAS5602EVM2 Audio Power Amplifier Evaluation Module6 SLAU258 – August 2008Submit Documentation Feedback

3.3 Bill of Materials

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Reference

Table 1. Bill of Materials for TAS5602EVM2 – BDBTLREFERENCE MANUFACTURERITEM DESCRIPTION QTY MANUFACTURERDESIGNATORS PART NUM

1 20W 4 CH POWER AMP, HTSSOP56-DCA PA1 1 TEXAS INSTRUMENTS TAS5602DCA

2 Transistor PNP 50V PreBiased/4.7K 100mA Q1 1 DIODES, INC. DDTA143TCA-7SOT23-DBV3

3 LED, GREEN 2.0V SMD0805 LED2 1 LUMEX OPTICAL SML-LXT0805GW-TR

4 LED, YELLOW 2.0V SMD0805 LED1 1 LUMEX OPTICAL SML-LXT0805YW-TR

5 CAP 1000PFD 50V CERM 0603 X7R C10, C27, C28, C33 4 PANASONIC ECU-V1H102KBV

6 CAP 0.1UFD 50V CERM 0603 X7R C12, C14, C19, C22 4 MURATA GRM188R71H104KA93D

7 CAP 1.0UFD 50V CERM 0603 X5S C1, C2, C3 3 TAIYO YUDEN UMK107C105KA-T

8 CAP 0.1UFD 50V CERM 1206 X7R C9, C24 2 PANASONIC ECJ-3VB1H104K

9 CAP 0.22UFD 50V CERM 1206 X7R C11, C16, C21, C26 4 TDK CORPORATION C3216X7R1H224K

10 CAP 0.68UFD 50V CERM 1206 X7R ROHS C5, C6, C7, C8 4 KEMET C1206C684K5RACTU

12 CAP 10UFD 16V ALUM ELEC SMD VSA C4 1 PANASONIC ECE-V1CS100SR

13 CAP 15UFD 50V RAD ALUM ELEC FC C23 1 PANASONIC EEU-FC1H150

14 CAP 220UFD 50V RAD ALUM ELEC FC C13, C15, C17, C25 4 PANASONIC EEU-FC1H221

15 CAP 470UFD 35V RAD ALUM ELEC HE C18, C20, C29, C30 4 NICHICON UHE1V471MPDROHS

16 RES 392 OHM 1/10W 1% SMD 0603 R1 1 PANASONIC ERJ-3EKF3920V

17 RES 2.49K OHM 1/16W 1% SMD 0603 R11 1 PANASONIC ERJ-3EKF2491V

18 RES 10K OHM 1/16W 5% SMD 0603 R2 1 PANASONIC 9C06031A1002JLHFT

19 RES 4.7K OHM 1/8W 1% SMD 0805 R3, R4, R5, R6 4 YAGEO 9C08052A4701FKHFT

20 RES 20 OHM 1/4W 1% SMD 1206 R7, R8, R9, R10 4 YAGEO 9C12063A20R0FKHFT

21 INDUCTOR, SERIES 11RHBP, 22UH L1, L2, L3, L4 4 TOKO AMERICA A7503AY-220M

22 HEADER, 2x20 PIN MALE PCB-RA GOLD J1, J1 2 SULLINS PBC20DBANROHS

23 HEADER, 2 PIN MALE, PCB, STRAIGHT JP1, JP2, JP3, JP4, 5 SULLINS PBC02SAANGOLD ROHS JP5

24 HEADER, 2X3 PIN MALE, PCB STRAIGHT JP6 1 SULLINS PBC03DAANGOLD ROHS

25 PC Testpoint, Orange EXT 1 KEYSTONE ELECTRONICS 5003

26 BINDING POST, BLUE, TIN PCB ROHS J4, J8 2 POMONA 3760-6

27 BINDING POST, GREEN, TIN PCB ROHS J3, J5, J7, J9 4 POMONA 3760-5

28 BINDING POST, RED, TIN PCB ROHS J2, J6 2 POMONA 3760-2

29 BINDING POST, BLACK, 15A ECONO GND 1 KEYSTONE ELECTRONICS 7007

30 BINDING POST, RED, 15A ECONO PVCC 1 KEYSTONE ELECTRONICS 7006

31 SHUNT, BLACK AU FLASH 0.100 JP1, JP2, JP3, JP4, 6 SULLINS SPC02SYANJP5, JP6(1-2)

32 Hex Nut, 4-40, Zinc/Steel HW1, HW2, HW3, 4 BUILDING FASTENERS HNZ440HW4

33 Standoff 4-40 Threaded M/F 1.50 in. HW1, HW2, HW3, 4 KEYSTONE ELECTRONICS 8409ALUM-HEX HW4

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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 PURPOSESONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must haveelectronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be completein terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmentalmeasures typically found in end products that incorporate such semiconductor components or circuit boards. This evaluation board/kit doesnot fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling(WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days fromthe date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYERAND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OFMERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claimsarising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and allappropriate precautions with regard to electrostatic discharge.EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANYINDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive.

TI assumes no liability for applications assistance, customer product design, software performance, or infringement of patents orservices described herein.

Please read the User’s Guide and, specifically, the Warnings and Restrictions notice in the User’s Guide prior to handling the product. Thisnotice contains important safety information about temperatures and voltages. For additional information on TI’s environmental and/orsafety programs, please contact the TI application engineer or visit www.ti.com/esh .No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, orcombination in which such TI products or services might be or are used.FCC Warning

This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSESONLY and is not considered by TI to be a finished end-product fit for general consumer use. It generates, uses, and can radiate radiofrequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules, which aredesigned to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments maycause interference with radio communications, in which case the user at his own expense will be required to take whatever measures maybe required to correct this interference.

EVM WARNINGS AND RESTRICTIONS

It is important to operate this EVM within the input voltage range of 0V to 5V and the output voltage range of 0V to 26V.Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questionsconcerning the input range, please contact a TI field representative prior to connecting the input power.Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the EVM.Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification,please contact a TI field representative.During normal operation, some circuit components may have case temperatures greater than 85 °C. The EVM is designed to operateproperly with certain components above 85 °C as long as the input and output ranges are maintained. These components include but arenot limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of devices can be identifiedusing the EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during operation,please be aware that these devices may be very warm to the touch.

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 shouldobtain the latest relevant information before placing orders and should verify that such information is current and complete. All products aresold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standardwarranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except wheremandated by government requirements, testing of all parameters of each product is not necessarily performed.TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products andapplications using TI components. To minimize the risks associated with customer products and applications, customers should provideadequate design and operating safeguards.TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right,or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Informationpublished by TI regarding third-party products or services does not constitute a license from TI to use such products or services or awarranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectualproperty of the third party, or a license from TI under the patents or other intellectual property of TI.Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompaniedby all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptivebusiness practice. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additionalrestrictions.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids allexpress and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is notresponsible or liable for any such statements.TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would reasonablybe expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governingsuch use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, andacknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their productsand any use of TI products in such safety-critical applications, notwithstanding any applications-related information or support that may beprovided by TI. Further, Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products insuch safety-critical applications.TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products arespecifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet militaryspecifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely atthe Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use.TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products aredesignated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designatedproducts in automotive applications, TI will not be responsible for any failure to meet such requirements.Following are URLs where you can obtain information on other Texas Instruments products and application solutions:Products ApplicationsAmplifiers amplifier.ti.com Audio www.ti.com/audioData Converters dataconverter.ti.com Automotive www.ti.com/automotiveDSP dsp.ti.com Broadband www.ti.com/broadbandClocks and Timers www.ti.com/clocks Digital Control www.ti.com/digitalcontrolInterface interface.ti.com Medical www.ti.com/medicalLogic logic.ti.com Military www.ti.com/militaryPower Mgmt power.ti.com Optical Networking www.ti.com/opticalnetworkMicrocontrollers microcontroller.ti.com Security www.ti.com/securityRFID www.ti-rfid.com Telephony www.ti.com/telephonyRF/IF and ZigBee® Solutions www.ti.com/lprf Video & Imaging www.ti.com/videoWireless www.ti.com/wireless

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