2*100 watt @ 4ohm TK2050 Class-D Audio Amplifier
Contents
1. AA AB013 Ver1 2 Page 8 2004 2009 Sure Electronics Inc SURE electronics 2 100 WATTO4OHM TK2050 CLASS D AUDIO AMPLIFIER BOARD USER S GUIDE Chapter4 Mechanical Drawing ii BE Fower DA DI Lg R CS RT E An om o Ar a im om J B R26 BEI EE GK d SES Ri e m S R ACASkAZC Zeg 2 L geese 0O O E eg 1 QUTI and OUT2 ore not some nei They can NEVER be shorted Power Supply DC 10 36V Feed with ONLY one power supply Da Hmute 4 CH En me KI m Sono me mJ 23 Si had fa OO LAN UD AND Wi W Ss OD Lal Lai Pe Lal Ka av Es IE es aD Up aD UD oji CR Ka Cp 1 CAR gt SURE electronics AA ABO13V120 Figure 4 O 2004 2009 Sure Electronics Inc AA AB013 Ver1 2 Page 9 electronics AUDIO AMPLIFIER BOARD e SURE 2 100 WATT 40HM TK2050 CLASS D j USER S GUIDE Chapter5 A ppendix Schematics VCC J1 CON2 D1 SS34 DO 214AB 1 2 1 5V U1 LM317EMP SOT 223 D2 SS34 DO 214AB 2 1 2 S ViN C1 C2 0 1uF 50V 0 1uF 50V C3 C5 C4 C6 J2 CON2 1K 4 1 47uF 50V 0 1uF 50V 100uF 10V 0 1uF 50V N R2 3K N 22uF 33uF D3 NY 2 LED G J3 DJ005B 1 z VEG VCC VCC VCC ee I 7 J4 CON2 KR _ _ 8 C10 C7 C8 C9 220uF 50V 220uF 50V 220uF 50V 0 22uF MKP R4 OR N N N a 5 CON2 8 O 1 os O O og O O lt O O C14 C11 C12 C13 J6 CON2 22. gt SURE KL electronics 2 100 watt 4ohm TK2050 Class D Audio Amplifier Board User s Guide 2004 2009 Sure Electronics Inc AA AB013_Ver1 2 y SURE 2 100 WATT 40HM TK2050 CLASS D TE AUDIO AMPLIFIER BOARD USER S GUIDE Table of Contents Chapter Be UE 1 D r WW ee un NR 1 12 e en dE 3 Chapter2 Hardware Detallada ds 5 21 Power Connection seen een 5 22 NOULEOMMNENNNS ege 5 ZS e Te TE d e ae de vase EGNE 5 2 4 Connection with Next BOard soi dE dee 6 25 MIE SENG EE 6 26 A A E 6 Ll DENSA A 6 28 LEEDiIMGIC ALOIS 200200 ia aca T 29 Volume CONTO 1 BEE 7 Chapters ElectriGal Characteristics sonara 8 Chapter4 Mecha ical DraWind lt 000 EE 9 Chapters Plax EE 10 ELE 10 Ghabtero ContactUSs id 12 O 2004 2009 Sure Electronics Inc AA AB0O13 Vert 2 Page 2 100 watt 4ohm TK2050 Class D Audio Amplifier Board NOTES Product Version Ver 1 0 Document Version Ver 1 2 AA AB013 Ver1 2 Page ii O 2004 2009 Sure Electronics Inc electronics AUDIO AMPLIFIER BOARD e SURE 2 100 WATT 40HM TK2050 CLASS D j USER S GUIDE Chapter1 Overview 1 1 Welcome This self made 2 100W audio amplifier board is a perfect class D architecture integrated with Tripath TC2000 and TP2050 It supports dual channel amplification and can readily be powered by any DC power supply ranging from 10 to 36V You can use it to drive any 40 or 80 passive speakers As quoted from the datasheet of Tripath TC2000 is a two cha
3. 5V screw terminal for mute Over under voltage turn off Over current protection Over temperature protection Applications Powered Subwoofers Home Theater Receivers Multi channel Distribution Powered DVD Systems Mini Micro Systems Benefits Mounting holes are available for easy installation and fix Several wiring methods facilitate connection The design of power supply allows you to connect more amplifier boards Excellent heat sink eliminates your worry over heat dissipation AA AB013 Ver1 2 Page 2 2004 2009 Sure Electronics Inc Overview and Main Feature 1 2 Quick Start Suggested connection is shown in Figure 2 III INN SS F SS A KL Ti SSS ac Figure 2 Connection Schematic Notice Please observe the following steps to complete verification so as to ensure the products are intact during transit 1 Open the amplifier package and make sure the product is intact No missing or damaged components and no deformation 2 Please observe the connection diagram when connecting the amplifier board Use a nearby sound source such as MP3 or CD player to have a trial This amplifier board can be deemed as qualified if you can hear the sound correspond to that sound source 2004 2009 Sure Electronics Inc AA ABO013 Ver1 2 Page 3 Overview One Two Three thee oe Figure 3 Cascade Schematic GND should be connected to ground or the housing of your ins
4. O 5V 220uF 50V 220uF 50V 220uF 50V 0 22uF MKP N N N 1 lt MUTE 5V O gd U2 TC 2000 SOIC R5 R6 470K R7 8 2K 2 REF 10K EVM3ESX50B14 C15 R8 R9 10K OCD1 NZ e 0 1uF 50V S 470K VLO Y2 Sa lt 7 OVRLDB lt Y2B R10 22K KY 1B C16 0 22uf MKP R11 22K Gain1A Gain1B 5V0 Y1 lt v1 D4 LED B N R12 1K 1uF 50 HUMTE Y K FDBKN1 ES ae lt OUTIA C18 0 1uF 50V R15 c19 1K 390pF 50V K R16 22K J8 CON3 E7 R17 15K om FDBKP1 lt OUT1B Gain1B 2 Gain2B MUTE gt C20 1uF 50V R23 10K R22 C21 3 lt cH2 1K 390pF 50V SW DIP 4 R24 5V O 10K VPWR Ka R25 15K FDBKN2 lt OUT2A a S R26 R27 470K 2 TOVI R28 C22 10K EVM3ESX50B14 1K 390pF 50V C23 R29 0 1uF 50V 470K NZ VY KE R30 22K R31 15K C24 0 22uf MKP R32 22K FDBKP2 lt OUT2B Gain2A Gain2B 28 BIASCAP C26 R33 C27 1uF 50 0 1uF 50V 1K 390pF 50V S AAA gt gt AA AB0O13 Ver1 2 Page 10 O 2004 2009 Sure Electronics Inc Appendix 5v U3 TP2050 PowerS036 vec Y1 gt 29 INIA VCC1A 23 Bias OUT1A1 lt OUTIA C28 24 R35 CONFIG OUT1A2 0 1uF 50V 10k 6 8uF 50V 0 1uF 50V FAULT VCC1B L1 10uH TRISTATE OUT1B1 C31 J10 28 OUT1B2 C34 OUT 5V 0 1uF 50V TH WAR O 6 8uF 50V 0 47uF MKP 0 47uF MKP Y1 gt 30 in18 C35 1 R37 161 ae 0 22uF MKP 10K 2 Y1B 31 J11 CON2 21 0 47uF MKP Se e OU 22 VEGER L2 10uH OUT e OUT2A1 C38 C39 6 8uF 50V 0 1uF 50V 0 1uF 50
5. V ee 36 CCSIGNZ SCH GNDREG 0 1uF 50V VCC2B OUT2B1 lt OUT1B Y1B gt 32 n2B OUT2B2 19 SES 6 8uF 50V j GNDSUB KH U4 TP2050 PowerS036 VEC Y2 gt 29 maa VCC1A 23 BLAS OUT1A1 lt OUT2A C42 24 RAD CONFIG OUT1A2 0 1uF 50V 10k 6 8uF 50V SS C44 0 1uF 50V FAULT VCC1B L3 10uH TRISTATE OUT1B1 C45 J13 28 OUT1B2 C47 C48 OUT 5V 0 1uF 50V TH WAR O 6 8uF 50V 0 47uF MKP 0 47uF MKP Y2 gt 30 018 Ve 1 R44 18 0 22uF MKP 10K 2 Y28 31 J14 CON2 21 0 47uF MKP 22 L4 10uH OUT gt Ser ES OUTZA2 cst C52 C53 6 8uF 50V 0 1uF 50V 0 1uF 50V 36 VocsiGn2 Gg GNDREG 0 1uF 50V VCC2B OUT2B1 lt OUT2B Y2B gt 32 28 OUT2B2 GNDCLEAN 6 8uF 50V GNDSUB Figure 5 Schematics Notice The above schematics are used for reference only There might be a tiny difference in production batch eS eee CBS 2004 2009 Sure Electronics Inc AA AB013_Ver1 2_page 11 electronics AUDIO AMPLIFIER BOARD e SURE 2 100 WATT 40HM TK2050 CLASS D j USER S GUIDE Chapter6 Contact Us Sure Electronics Co Ltd 5F Zone A Qinhuai Technology Innovation Center 105 2 DaMing Rd ZIP 210022 Nanjing P R China Tel 86 13601408832 For technical questions only 86 25 66606340 English service from GMT1 10AM Fax 86 25 66606341 866 Website www sure electronics com www sure electronics net PE AA AB013 Ver1 2 Page 12 2004 2009 Sure Electronics Inc
6. espectively K1 and K2 are used to set the gain of channel 1 while K3 and K4 are used for channel 2 The following table lists the gain values on different settings Channel 1 Setting Channel 2 Setting Amplifier Gain Level Typical Typical OFF OFF K1 ON ON i High Portable MP3 CD player with built in volume control Medium General purpose use Low Preamplifier with fairly high output signal E 2 7 DC Offset If it is not quite necessary DO NOT trim the output offset by adjusting R5 and R26 two AA ABO013 Ver1 2 Page 6 2004 2009 Sure Electronics Inc Hardware Detail potentiometers on board since we have already regulated that offset to a range of 10mV You may refer to the connection diagram for the location of potentiometers Warning Adjusting these potentiometers may damage your speakers 2 8 LED Indicators This amplifier board has two indicators one of which is marked as Power D3 another is Hmute D4 The power indicator will be illuminated in green on power up and Hmute will be illuminated in blue when you mute the amplifier audio output or amplifier board error occurs Please refer to the TK2050 Data Sheet for a complete description of HMUTE Please refer to the Board Connection Diagram for the LED locations on amplifier board 2 9 Volume Control This amplifier board doesn t include any potentiometer which could be used to manually adjust the volume control Use
7. nnel audio controller that uses Tripath s proprietary Digital Power Processing DPP technology When combined with switching power output stages the TC2000 allows the implementation of a complete Class T audio amplifier TP2050 is a stereo power stage capable of 50W continuous average power per channel Class T Digital Audio Power Amplifier using Tripath s proprietary Digital Power Processing technology The TP2050 can be coupled with a Class T controller such as TC2000 or TC2001 to produce a high quality stereo amplifier To put it simple TC2000 converts analogue audio signal it receives into digital signal and TP2050 amplifies the digital signal from TC2000 This amplifier board integrates two TP2050 chips to support dual channel amplification of up to 100W each The absolute maximum voltage of TP2050 chip is rated at 40V so 36V is the very maximum recommended rail voltage The maximum voltage of TC2000 shall not exceed 5V and OUT2 are not same net They can NEVER be shorted zs l Power Supply DC 10 36V O O Feed with ONLY one power supply RAVIN Figure 1 Product Diagram Notice The diagram above is used for reference only 2004 2009 Sure Electronics Inc AA ABO013 Ver1 2 Page 1 Overview Features Fully bridged stereo output the output of this product cannot be bridged again Maximum voltage of power supply is 36V Line level analogue audio input Sensitivity and gain are adjustable with on board DIP switch
8. of Channel 1 Refer to on board J14 Output of Channel 2 descriptions for connection details Warning Never connect more than one group of speaker to the audio output 2004 2009 Sure Electronics Inc AA ABO013 Ver1 2 Page 5 Hardware Detail 2 4 Connection with Next board J4 and J2 on terminal block are used to connect more amplifier board Connector Mark Positive of DC 10 36V Power Supply to next board Negative GND of DC 10 36V Power Supply to next board Notice It is allowed to connect more amplifier boards in series but it would be better to limit that number to 4 Remember to use AWG12 compliant cable or equivalent for series connection 2 5 Mute Setting To mute the output audio signal connect 5V and MUTE of the terminal block with a piece of lead In normal use MUTE shall be left unconnected Connector Mark When MUTE is connected with 5V both amplifiers will be muted and enter into idle mode When connected to J6 MUTE A l ground or left disconnected both amplifiers will resume to regular operation Notice When you select power supply for the board the appropriate voltage is DC 10 36V Never connect MUTE on the terminal block to any power supply or any other voltage higher than 5V 2 6 Gain Settings The on board 4 slide DIP switch which is marked as SW1 is used to set the gain of amplifier board 4 slides are marked as K1 K2 K3 and K4 r
9. rs may use the volume control of the sound source such as MP3 player or PC to adjust the loudness of the audio output If you need a potentiometer you may install one S50Kohm by yourself but it may void the warranty at the same time Another reason for not installing potentiometer is the signal attenuation it may occur after installation To compensate that attenuation adjusting the gain value is required You may refer to 2 6 Gain setting for details Please be aware that audio clippings waveform distortion may occur for some portable players these are the clippings generated by the audio source not the amplifier itself please increase the input gain of amplifier board 2004 2009 Sure Electronics Inc AA AB013 Ver1 2 Page 7 y SURE 2 100 WATT 4OHM TK2050 CLASS D Yeo AUDIO AMPLIFIER BOARD USER S GUIDE Chapter3 Electrical Characteristics The following table lists all typical data For full specifications please refer to the Tripath data sheet of TK2050 chip mn Typical Me Over current shutdown Signalinoiserato sesa 1 THD N noesa Channel separation fese 1 Efficiency emo Output power 4 75W lt 0 01THD N ohm 30V rail 115W 10 THD N Output power 8 35W lt 0 01THD N ohm 30V rail 60W 10 THD N Offset voltage Adjustable below 100mV CTI E VAN Co a OO Power stage gain Seta ip ten Tnermalwarning me Thermal shutdown Notice The chip specifications by Tripath
10. trument Never connect OUT 1 and OUT2 since they are not in the same net Notes 2 1 2004 2009 Sure Electronics Inc ge 4 AA AB013_Ver1 2_Pa electronics AUDIO AMPLIFIER BOARD e SURE 2 100 WATT 40HM TK2050 CLASS D j USER S GUIDE Chapter2 Hardware Detail 2 1 Power Connection To power the amplifier board use either jack or terminal blocks On board diodes can prevent the consequence of wrong connection of power supply Connector Mark Terminal Positive of DC 10 36V Power Supply Blocks Negative GND of DC 10 36V Power Supply Warning You are allowed to use only one way for powering the amplifier board at a time The maximum voltage of power supply shall not exceed 36V 2 2 Input Connections You may use either RCA connectors or terminal blocks to input audio signal Connector Mark Channel 1 Input RCA Connectors Channel Input i J8 PIN1 Channel 1 Input ERAUS J8 PIN3 Channel 2 Input Warning You are allowed to feed only one group dual channel of audio signal to the amplifier board at a time Please refer to 2 6 Gain Setting for details 2 3 Output Connections You can use either terminal blocks or banana connectors to output audio signal Two pairs of banana connectors are provided for free Connector Mark Positive output of Channel 1 Negative output of Channel 1 BANNERE Positive output of Channel 2 Negative output of Channel 2 Terminal Blocks Output
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