Texas Instruments TPA2028D1YZFEVM User's Manual
Contents
1. nnne nnne nnn 10 1 Introduction 1 1 Description The TPA2028D1 is mono filter free Class D audio power amplifier with automatic gain control dynamic range compression DRC and digital volume control The AGC and DRC functions enhance the perceived audio loudness and at the same time prevent speaker damage from overdrive The TPA2028D1 has independent software shutdown control and 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 TPA2028D1YZFEVM 1 Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS Operation www ti com 1 2 TPA2028D1YZFEVM Specifications Vop Supply voltage range 0 3Vto6V lbo Supply current 2 A Maximum P Continuous output power per channel 8 Vdd 5 0 V THD N 10 1 7W Vi Audio Input Voltage 0 5 V to Vp 0 5 V RL Minimum load impedance 80 2 1 2 Operation The TPA2028D1YZFEVM can be evaluated in a stand alone mode or when connected to existing circuits with controls Quick Start List for Stand Alone Operation A desktop or laptop computer with2. TEXAS User s Guide INSTRUMENTS SLOU283 February 2010 TPA2028D1YZFEVM Contents 1 e 1 2 9 oz u oj o EC E 2 3 TPA2028D l YZEEVM Schetialle since iesu penu Een Dee DOM DUE EDAM cM CK RE 7 4 TPA2028D1YZFEVM POB Layers secesnom E E RNC Eel MEE 9 5 TPA2028D1YZFEVM Parts EISE AE E ee eua EAE E 10 List of Figures 1 Place Shunts Horizontally Across SDA and 11 en nee nene nnne nnne 2 2 Found New Hardware Wizard Advisory 3 3 Starting the SOMWAES 4 4 Software INS aCe wise 5 5 Connect IC Controls to 6 6 TPA2028D1YZFEVM YZF Device Schematic Page 1 1 2 2 224 7 TPA2028D1YZFEVM YZF Device Schematic Page 2 8 8 TPA2028DYZF1EVM YZF Device Top Layer 9 9 TPA2028D1YZFEVM YZF Device Bottom m HI Hm nnn nnn 9 List of Tables 1 Bill of Materials for TPA2028D1YZFEVM
3. Digi Key C9 C10 CAP 47 pF 50V 5 CERM 0603 NPO ROHS 2 ECJ 1VC1H470J Panasonic PCC470ACVCT Digi Key C13 CAP 100 pF 50V 5 CERM 0603 NPO ROHS 1 ECJ 1VC1H101J Panasonic PCC101ACVCT Digi Key C14 CAP 1000 pF 50V 5 CERM 0603 ROHS 1 C1608C0G1H102J TDK Corp 445 1293 1 Digi Key C6 C7 CAP 4700 pF 50V CERM 0603 X7R ROHS 2 ECJ 1VB1H472K Panasonic PCC1780CT Digi Key C15 C17 CAP SMT0603 CERM 0 1uF 10V 5 X7R ROHS 4 C0603C104K8RACTU Kemet 399 1095 1 Digi Key C19 C20 C1 C3 CAP 1 0 uF 10V 10 CERM 0603 X5R ROHS 3 ECJ 1VB1A105K Panasonic PCC2174CT Digi Key C8 C16 CAP 10 uF 6 3V 10 CERM 1206 X5R ROHS 2 C3216X5R0J106K TDK 445 1388 1 Digi Key C18 CAP TANT2412 100 uF 10V 10 B45197A ROHS 1 B45197A2107K309 Kemet 495 1528 1 Digi Key RESISTORS R15 R16 RES 00 1 8W 5 SMD 0805 ROHS 2 ERJ 6GEYOROOV Panasonic PO 0ACT Digi Key R8 R9 RESISTOR SMD0603 27 4 1 10W 1 ROHS 2 CRCW060327R4FKEA Vishay 541 27 4HCT Digi Key R7 RES SMD0603 1 50 1 10W 1 ROHS 1 ERJ 3EKF1501V Panasonic P1 50KHCT Digi Key R5 R6 R12 RES 2 00 1 16W 1 SMD 0603 ROHS 3 ERJ 3EKF2001V Panasonic P2 00KHCT Digi Key R10 RES 3 09 1 10W 1 SMD 0603 ROHS 1 ERJ 3EKF3091V Panasonic P3 09KHCT Digi Key R1 R11 R13 RES 100 1 16W 196 SMD 0603 ROHS 3 ERJ 3EKF1003V Panasonic P100KHCT Digi Key FERRITE BEADS FB4 Ferrite SMD0805 600 0 24 A RDC 0 14 ROHS 2 MMZ2012R601A TDK 445 1554 1 Digi Key FB1 FB2 Ferrite bead SMD0805 80 O at 100 MHz 5A ROHS 2 HIO805R800R 10 Steward 24
4. Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated Xi TEXAS INSTRUMENTS www ti com TPA2028D1YZFEVM Schematic an9 090 AOLPInL O ano ano so am auo ano AOL PINL O Te ano ano es nd 090 9021 3001 090 are Me ee Na 912 x 080 202 41 613 819 MUONS 00 SWHO 009 ano di OL aen vad TAJ ora gt ano 2 asn 83 EX 1 e AININ 8SN e 8 an9 ano ano T E viz S oN I gof me 090 Ed 0S pId OS pJd t E 012 62 vie oe 090 gy Ee 448020 5 1 APA 090 3 3 SRE 090 000 60 N9 nospsdooor 79 090 olos a saos nosipidoo 13 ano ZHINOO 9 NS I v9O vZ E 090 HUH 090 oS pidee OG pidec 090 an9 00 T zo I uo M an vat 090 em 002 GA 090 MOO SH vas 128 Figure 7 TPA2028D1YZFEVM YZF Device Schematic Page 2 SLOU283 February 2010 Submit Documentati
5. Windows XP installed is required in the stand alone operation Install the software before connecting the EVM to a computer with a USB cable The inputs accept standard RCA plugs and the outputs accept banana connectors Software Installation Sequence 1 Insert the CD provided 2 Unzip the files to a temporary folder 3 Install TPA2028D1 software by executing setup exe located in TPA2028D1 Interfacel Accept license agreement and defaults and complete the installation Note you can uninstall later with Add Remove Programs NOTE Itis unnecessary to repeat the steps in Section 2 1 1 once the software is installed Evaluation Module Preparations 1 Ensure that all external power sources are set to OFF 2 Install shunt in jumper 4 3 Install shunts in jumpers JP2 when single ended audio input is used this ties IN to ground 4 Install shunts in J1 and J3 as shown in Figure 1 This sets the TPA2028D1 to accept inputs from the EVM itself Shunts Across SDA and SCL Figure 1 Place Shunts Horizontally Across SDA and SCL TPA2028D1YZFEVM SLOU283 February 2010 Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com Operation 5 Powering the EVM EVM can be powered via USB connection or by external power supply a Via USB power Install shunt for USBPWR if USB power is used b External power supply connect an external regulated pow
6. nu 1 Rotation Point 16 dB Rotation Point Show Compression Line Compression Line Figure 4 Software Interface NOTE The TPA2028D1 powers up with the amplifier in software shutdown To hear an output uncheck shutdown 3 Uncheck and check SPK EN to place the Class D output in and out of CHANNEL SHUTDOWN Click Shutdown to place the TPA2028D1 in and out of SOFTWARE SHUTDOWN 5 Adjust the Attack Time Release Time and Hold Time by sliding the bar or clicking the tap in the GUI You can also type a value in the box in that case the value will be rounded to the closest available setting 6 Adjust the Fixed Gain Maximum Gain and Limiter Level by dragging the bar or clicking the tap in the GUI You can also type a value in the box in that case the value will be rounded to the closest available setting 7 Adjust Compression Ratio and Noise Gate Threshold by clicking the value 8 The Limiter Power Level can be calculated by selecting the Load Resistance 9 2 Status box reports the status of communications An error or failure has occurred if it shows I2C failure 10 To read the status click Refresh 11 Thermal box reports the status of thermal failure A thermal fault has occurred if it turns red 12 Click Show Graph to display the AGC transfer function The transfer function is automatically updated with the current AGC parameters fixed gain maximum gain limiter level and compression in GUI Click H
7. services might be or are used FCC Warning 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 It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the supply voltage range of 0 3 V to 6 V and the input voltage range of 0 3 V to VDD 0 3 Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning 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 norma
8. 0 2395 1 Digi Key HEADERS AND JACKS JP2 JP4 Header 2 Pin PCB 2 0 mm ROHS 4 26630201RP2 Norcomp 26635 02 Digi Key USB PWR J1 Header 4 Pin PCB 2 0 mm ROHS 1 26630401RP2 Norcomp 26635 04 Digi Key IN Jack RCA 3 Pin PCB RA Black ROHS 1 PJRAN1X1U01X Switchcraft 65K7770 NEWARK J2 Jack USB MINIB SMT RA 5Pin ROHS 1 UX60 MB 5ST Hirose H2959CT Digi Key 10 TPA2028D1YZFEVM SLOU283 February 2010 Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com TPA2028D1YZFEVM Parts List Table 1 Bill of Materials for TPA2028D1YZFEVM continued Ref Des Description QTY MFR Part MFR Vendor Part No Vendor TESTPOINTS AND SWITCHES SCL SDA PC Testpoint white ROHS 4 5002 Keystone 5002K Digi Key TP OUTM Electronics TP OUTP TP GND Testpoint black ROHS 1 5001 Keystone 5001K Digi Key Electronics 81 82 Switch MOM 160G SMT 4X3MM ROHS 2 TL1015AF160QG E Switch EG4344CT Digi Key SHUNTS JP2 JP4 Shunt black AU Flash 2mmLS 2 810 002 SP2L001 Norcomp SP2 001E Digi Key INC BINDING POSTS GND Binding post NONINS THRU ROHS 4 111 2223 001 Emerson J587 Digi Key VDD OUTM NPCS OUTP STANDOFFS AND HARDWARE HW1 HW4 Standoff 4 40 0 5 in 3 16 in Diameter ALUM RND F F 4 2027 Keystone 2027K Digi Key HW1 HW4 4 40 Screw Steel 0 250 IN 4 PMS 440 0025 PH Building H342 Digi Key Fasteners COMPONENTS NOT ASSEMBLED C21 C4 C5 R2 R3 J
9. 7 which is the register address of TPA2028D1 Shutdown Control The TPA2028D1 EVM provides independent hardware shutdown controls for the Class D power amplifier and the USB controller 1 Press and hold push button S1 to shutdown TPA2028D1 Release S1 to activate TPA2028D1 2 Press and hold push button S2 to shutdown the USB controller Release S2 to activate the USB controller Quick Start List When Connected to Existing Circuits With 1 C Controls The TPA2028D1YZFEVM can be easily connected to existing circuits with IPC controls Connections to the EVM module can be made using banana plugs for the power supply The inputs accept standard RCA plugs and the outputs accept banana connectors Evaluation Module Preparations 1 Ensure that all external power sources are set to OFF 2 Install shunts in jumpers JP4 3 Remove shunts between J1 and J3 and connect lC controls to J1 as shown in Figure 5 External I2C Source Figure 5 Connect Controls 4 Install shunts in jumpers JP2 when single ended audio input is used this ties IN to ground 5 Remove USBPWR 6 Connect an external regulated power supply adjusted for 2 5 V 5 5 V to the VDD and GND banana jacks taking care to observe marked polarity 7 Connect audio source to IN Connect speakers 8 to 32 Q to the output banana jacks OUTP and OUTM 9 Turn on power supply TPA2028D1YZFEVM SLOU283 February 2010 Submit Documentation Feedb
10. IEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY 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 claims arising 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 all appropriate 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 ANY INDIRECT 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 or services 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 This notice contains important safety information about temperatures and voltages For additional information on Tl s environmental and or safety 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 or combination in which such TI products or
11. P_VDD JP_VOUT JP_VIN SLOU283 February 2010 TPA2028D1YZFEVM 11 Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated 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 As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not 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 from the date of delivery for a full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN L
12. ack Copyright O 2010 Texas Instruments Incorporated ve TEXAS INSTRUMENTS TPA2028D1YZFEVM Schematic www ti com TPA2028D1YZFEVM Schematic 3 an9 090 ANOS P3d000 an9 090 AOS PJdO0Z v 3i S080 14 cad he 1fO dr an9 090 AOS P3d000 1 S080 ano 090 AOS PIdO0Zy 9080 ad aNd gy 1 wino NEU i n i UU RR vad eI so 9M aNd zu H IN3W3SHOSVSN NS 9021 AE9IPIROL asn rrr ama asn PPA asn 090 Es m S 1 ang iid 07 1 m 090 AOL PSNO L B e aNd T perg vou Ww go 090 NI dr AOL PINO L Ni AZK64S0M 5 LN 3ZALA8ZOZYdL w 18 ae W za d 41 vas 126 QNS ji MATIOULNOO WON E E 2105 156486 02015 1 5 tid ro 9080 09 dNG 9r o T T IS ba 090 Figure 6 TPA2028D1YZFEVM YZF Device Schematic Page 1 7 TPA2028D1YZFEVM SLOU283 February 2010
13. er supply adjusted for 2 5 V 5 5 V to the VDD and GND banana jacks taking care to observe marked polarity Make sure USBPWR is removed in this case Note a USB interface may not be able to provide enough current For best audio performance use external power supply b Make sure only one power source is used Connecting two power sources will cause damage to the device and the supply 6 Connect audio source to RCA jacks IN 7 Connect speakers 8 O to 32 Q to the output banana jacks OUTP and OUTM 8 Plug in USB 9 Turn on the power supply 1 0 If this is the first time a TPA2028D1YZFEVM is plugged in after installing the software follow the Windows dialog Figure 2 questions and selections a Select Install from a list or specific location Advanced then click next b Browse to the folder where the TPA2028D1 interface is installed then click ok c Windows will automatically install the driver Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software far USB MODEVM k If your hardware came with an installation CD floppy disk insert it now What da you want the wizard ta 407 Click Next to continue Back Figure 2 Found New Hardware Wizard Advisory Screen NOTE Itis not necessary to repeat steps 10 a to c once the driver is installed 0 Computer screen images showing Windows XP interface are courtesy of Mic
14. ide Graph to hide the transfer function 13 Volume Macro simulates volume control by changing fixed gain limiter level and maximum gain simultaneously Follow the steps below to use the Volume Marco At the top left corner of the GUI select Volume Macro Slide the volume bar to adjust the volume e Click Volume Marco again to go back to GUI e Click refresh to update the AGC parameters 14 The GUI has a built in C programming interface Follow the steps below to use the I C programming function gt A Atthe top left corner of the GUI click File to access the programming interface SLOU283 February 2010 TPA2028D1YZFEVM 5 Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS Operation www ti com 2 1 4 2 2 2 2 1 e Save Script can record the current register values Select Save Script gt gt Click the folder icon to browse to the place where you want to save the script gt gt name the file in text format then select OK to save Load Script can load the previously saved script to program the entire register file Select Load Script gt gt Click the folder icon to browse to the place where the script is located gt gt Select the file then click OK gt gt Click Load 12C interface can program individual register value of TPA2028D1 Select Interface gt gt address is 0 which is the address of TPA2028D1 Device address is from 1 to
15. l operation some circuit components may have case temperatures greater than 85 The EVM is designed to operate properly with certain components above 85 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using 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 Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright O 2009 Texas Instruments Incorporated
16. on Feedback TPA2028D1YZFEVM 8 Copyright O 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com TPA2028D1YZFEVM PCB Layers 4 TPA2028D1YZFEVM PCB Layers INSTRUMENTS 202801 Rev A 6513830 Figure 9 TPA2028D1 YZFEVM YZF Device Bottom Layer SLOU283 February 2010 TPA2028D1YZFEVM 9 Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS TPA2028D1YZFEVM Parts List www ti com 5 TPA2028D1YZFEVM Parts List Table 1 Bill of Materials for TPA2028D1YZFEVM Ref Des Description QTY MFR Part No MFR Vendor Part No Vendor TI SEMICONDUCTORS U5 1 7 W Mono speaker driver W AGC I2C CTRL 1 TPA2028D1YZF Texas TPA2028D1YZF Texas WCSP9 YZF ROHS Instruments Instruments VR1 VOLT REG 3 3V 500mA LDO fast transient response 1 TPS77533D Texas 296 2776 5 Digi Key SOP8 D ROHS Instruments U4 USB Streaming controller TQFP48 PFB ROHS 1 TAS1020BPFB Texas 296 13041 5 Digi Key Instruments SEMICONDUCTIORS U2 64K I2C SERIAL EEPROM SOP8 D 1 24LC64 1 SN Microchip 24LC64 I SN Digi Key Q1 N CH Enhancement mode VERT DMOS FET 1 BSS138TA Zetex BSS138ZXCT Digi Key SOT23 DBV3 ROHS Y1 Crystal 6 000 MHz SMT HC49 US CSM 7 ROHS 1 ECS 60 32 5PXDN TR ECS XC1295CT Digi Key CAPACITORS C11 C12 CAP 33 pF 50V 5 CERM 0603 NPO ROHS 2 ECJ 1VC1H330J Panasonic PCC330ACVCT
17. rosoft Corporation SLOU283 February 2010 TPA2028D1YZFEVM 3 Submit Documentation Feedback Copyright O 2010 Texas Instruments Incorporated Operation 2 1 3 4 Using the Software TEXAS INSTRUMENTS www ti com 1 Start the TPA2028D1 Interface by clicking the Start menu and clicking on the TPA2028D1 Interface icon Microsoft Office e e e e e e e e e e e e e All Programs e Internet Explorer ER Windows Explore RealPlayer PE Adobe Acrobat 7 0 P Microsoft Office Pow Google Chrome Microsoft Office Wor Microsoft Office Exce TPA2028D1 Interfac 49 TPA2054D4 Interfac 4 Disk Cleanup amp Windows Live Messe d FastStone Capture e Citrix Connected CyberArmor CyberGatekeeper Agent Dell QuickSet Games Hummingbird Connectivity 10 iPass Learning Tools Microsoft Office netDeploy 4 5 Patch Checker Real SAP Front End Startup Symantec Client Security TI COMM for Windows TN3270 Web WebEx Figure 3 Starting the Software 2 Acrobat Distiller 7 0 2 Adobe Acrobat 7 0 Professional Adobe Designer 7 0 i Micro Cap Evaluation 9 O RealPlayer Rhapsody i GerbTool 13 0 gt Ej National Instruments 99 Mentor Graphics 500 PC Health Check Mentor Graphics gt Valor Filter Free 2007 Busines
18. s Explorer Texas Instruments Inc 3 Wisdom soft ScreenHunter 5 Free gt Mindjet MindManager Pro 7 PDF XChange 3 e Cisco IP Communicator 2 The TPA2028D1 software interface is as shown in Figure 4 TPA2028D1YZFEVM Copyright 2010 Texas Instruments Incorporated Malwarebytes Anti Malware WinRAR E GMATPrep TM gt Google Chrome gt Oracle 109 09 gt 49 TPA2050D4 Interface TPA613xA2 Interface TPA2052D4 Interface 49 2016 2012 Interface 49 201602 Interface 49 TPA2051D3 Interface WY TPA6140A2 Interface TPA2054D4 Interface 2 TPA2028D1 Interface SLOU283 February 2010 Submit Documentation Feedback TEXAS INSTRUMENTS www ti com Operation 2 202801 Interface File Volume Macro Help Transfer Function k per 6 dB Maximum Gain Limiter Level Attack Time 6 3 30dB 90 l 8ms 807ms Release Time per 6 dB 164 ms Hold Time Compression Noise Gate Ratio Threshold Limiter Oot SPK_EN Resistance Power Level O41 6 0 55055 6 Shutdown edes 34 Limiter On 2 98892 Vp Hide Graph 1 1 0 1 m 4 0 40 30 20 u Input 98 Output Fault Thermal Fault am p 0 I2C Success 0 dB Gain
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