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4.3 TPA3223EVM Schematics

Figure 4-4

 through 

Figure 4-6

 illustrate the TPA3223 EVM schematics.

Note:

 TPA3223EVM with the AMPS174A marking have 5V-PU connected to 5V(5Vto3.3V) supply net externally via wire. This is required for A revision 

boards for proper operation.

100k

R48

IN1P

IN1M

OUT1+

OUT1-

IN2P

IN2M

OUT2+

OUT2-

RCA

INPUT 1

XLR

100k

R43

100k

R9

AUDIO

BOARD

IN2+_AIB
IN2-_AIB

IN1-_AIB

IN1+_AIB

FROM DUT

OTW_CLIP
FAULT

J30

GND

ALIGNMENT

HEADER

AIB

RESET-SW

RESET

1.00k

R57

INTERFACE

OUT1M
OUT1P

OUT2P
OUT2M

RST-AIB

3.3V

GND

GND

3.3V

12V

PVDD

TO DUT

From DUT

TO DUT

TO DUT

From DUT

TO DUT

100k

R45

1000pF
500V

C21

100k

R25

1000pF
500V

C57

100k

R70

AUGNDL

AUGNDL

AUGNDL

AUGNDR

AUGNDR

AUGNDR

RCA

INPUT 2

XLR

1

2

3

J10

IN1+

1

2

3

J11

IN1-

22pF
50V

C20

22pF
50V

C23

GND

220pF
50V

C26

GND

220pF
50V

C37

IN1-_XLR

22pF
50V

C62

22pF
50V

C65

GND

220pF
50V

C45

GND

220pF
50V

C61

1

2

3

J20

IN2+

1

2

3

J21

IN2-

IN2-_XLR

GND

GND

GND

TP17

IN1+

TP29

IN1-

TP30

IN2+

TP31

IN2-

1
3
5

6

4

2

7
9

10

8

12

11

14

13

16

15

18

17

20

19

22

21

24

23

26

25

28

27

J28

MH1

MH2

1

2

3
4

+

GND

SHIELD

J14

DIFF IN1

MH1

MH2

1

2

3
4

+

GND

SHIELD

J15

DIFF IN2

1

2
3

J3

IN1P

1

2
3

J18

IN2P

10.0k

R20

IN1+_AIB

IN1-_AIB

IN2+_AIB

IN2-_AIB

3.3V

IN1+_RCA-XLR

IN1-_XLR

IN2+_RCA-XLR

IN2-_XLR

IN2+_RCA-XLR

IN1+_RCA-XLR

OUT1M

OUT1P

OUT2P

OUT2M

1

2

3

J7

IN2P

5V-PU

GND

1

2

3

J8

IN2M

5V-PU

J4

IN1 SE

J12

IN2 SE

4.7uF

C17

4.7uF

C28

4.7uF

C55

4.7uF

C63

2.00k

R11

2.00k

R14

2.00k

R18

2.00k

R22

0

R67

0

R52

0

R59

0

R60

0

R62

0

R4

0

R12

0

R44

0

R46

18.0k

R47

18.0k

R49

18.0k

R50

18.0k

R51

0

R63

0

R64

0

R65

0

R66

Figure 4-4. TPA3223EVM Schematic 1

www.ti.com

EVM Design Documents

SLAU874 – OCTOBER 2022

Submit Document Feedback

TPA3223 Evaluation Module

19

Copyright © 2022 Texas Instruments Incorporated

Summary of Contents for TPA3223EVM

Page 1: ...rd Layouts 18 4 3 TPA3223EVM Schematics 19 4 4 TPA3223EVM Bill of Materials 22 List of Figures Figure 1 1 Output Configuration BTL 0 Figure 1 2 EVM Board Top Side 0 Figure 1 3 EVM Board Bottom Side 0...

Page 2: ...Supply Summary 0 Table 1 8 AIB Connector J28 Pinout 0 Table 1 9 AIB Power Rail Specifications 0 Table 1 10 TPA3223EVM Bill of Materials 1 0 Table 1 1 Jumper and Switch Configurations BTL Mode 5 Table...

Page 3: ...igure 1 1 Output Configuration BTL 1 1 Required Hardware The following hardware is required for this EVM TPA3223EVM Power supply 5 14 A 12 45 VDC Two 3 8 speaker or resistor loads make sure that speak...

Page 4: ...E Figure 1 2 shows the EVM board Figure 1 2 EVM Board Top Side Figure 1 3 EVM Board Bottom Side Quick Start BTL MODE www ti com 4 TPA3223 Evaluation Module SLAU874 OCTOBER 2022 Submit Document Feedbac...

Page 5: ...oard Input Install jumpers J10 J11 J20 and J21 to position 2 3 which is labeled as AIB Jumpers J4 and J12 must be installed for SE input from the AIB or uninstalled for DIFF input from the AIB 6 Ensur...

Page 6: ...nable audio input playback and the EVM begins driving audio out of the left and right speakers If resistor loads are used for testing instead of speakers then the load will now be energized Quick Star...

Page 7: ...Speaker Output This mode provides one speaker output that is more powerful than each BTL output and is useful when mono audio is to be played or when more power is needed Figure 2 1 illustrates the P...

Page 8: ...connected to J1 only and the speaker is connected to J9 or J2 only as the colors are the same 5 Input Configuration a Differential Inputs connect one differential XLR audio input to DIFF IN1 J14 Inst...

Page 9: ...TPA3223EVM board can now be powered on 1 Enable the power supply at 12 V to 45 V and ensure that LED D5 illuminates LEDs D2 and D4 must not be illuminated 2 Bring the EVM out of RESET state by switchi...

Page 10: ...connected to GND in Primary mode according to Table 3 2 Table 3 2 Frequency Adjust Primary Mode Selection J16 FREQ_ADJ J16 Mode Resistor Selected to GND or Pullup Primary MODE 10 k Primary MODE AM1 3...

Page 11: ...nstalling J7 and J8 on pins 1 2 puts the TPA3223 into 1x BTL mode 1 x mono output This is summarized in Table 3 4 Table 3 4 Output Mode and Modulation Mode Selection Input Jumpers J7 and J8 Input Mode...

Page 12: ...her voltage used for PVDD and a second lower voltage that may be used for device pullups and other supplies VDD GVDD and AVDD The PVDD voltage can still be connected to J1 but jumpers J29 and J26 must...

Page 13: ...the inductor to maintain at least 5 H of inductance at the maximum short circuit current of the power amplifier The Sagami inductance versus current curve is available in the 7G14D 100M R data sheet o...

Page 14: ...audio Class D EVM SE or one side of BTL O 2 Amp Out B Speaker level output from audio Class D EVM SE or one side of BTL O 3 PVDD PVDD voltage supply from audio Class D EVM variable voltage depending...

Page 15: ...in module and audio class D EVM 23 NC 24 NC 25 NC 26 NC 27 Amp Out C Speaker level output from audio class D EVM SE or one side of BTL O 28 Amp Out D Speaker level output from audio class D EVM SE or...

Page 16: ...erials BOM 4 1 TPA3223 Board Layouts Figure 4 1 and Figure 4 2 illustrate the EVM board layouts Figure 4 1 TPA3223EVM Top Composite Assembly EVM Design Documents www ti com 16 TPA3223 Evaluation Modul...

Page 17: ...Figure 4 2 TPA3223EVM Bottom Composite Assembly www ti com EVM Design Documents SLAU874 OCTOBER 2022 Submit Document Feedback TPA3223 Evaluation Module 17 Copyright 2022 Texas Instruments Incorporated...

Page 18: ...re 4 3 shows the EVM board dimensions Figure 4 3 TPA3223 EVM Board Dimensions EVM Design Documents www ti com 18 TPA3223 Evaluation Module SLAU874 OCTOBER 2022 Submit Document Feedback Copyright 2022...

Page 19: ...F 50V C26 GND 220pF 50V C37 IN1 _XLR 22pF 50V C62 22pF 50V C65 GND 220pF 50V C45 GND 220pF 50V C61 1 2 3 J20 IN2 1 2 3 J21 IN2 IN2 _XLR GND GND GND TP17 IN1 TP29 IN1 TP30 IN2 TP31 IN2 1 3 5 6 4 2 7 9...

Page 20: ...3 M4 S1 S2 S3 S4 AVDD GND 6 4 5 1 3 S2 CMUTE GND PVDD 1uF 16V C66 Using 10uH and 1uF Cut off is 50kHz 1uF 250V C24 1uF 250V C35 1uF 250V C43 1uF 250V C59 AUGNDR AUGNDR AUGNDR AUGNDL AUGNDL AUGNDL OUT1...

Page 21: ...N 4 VOUT 5 VOUT 6 VOUT 7 NC 8 VOUT 9 GND U6 GND 100uF 6 3V C49 GND 100uF 6 3V C10 GND 5Vto3 3V TLV1117 33IDRJR VIN 2 VOUT 5 VOUT 6 VOUT 7 NC 8 VIN 3 VIN 4 1 GND VOUT 9 U3 J1 3 3V VR 5V VR IN 1 OUT 3 G...

Page 22: ...603 GRM188R61E475KE11D MuRata C19 C30 C58 C64 4 100 pF CAP CERM 100 pF 50 V 5 C0G NP0 0603 603 GRM1885C1H101JA01D MuRata C21 C57 2 1000 pF CAP CERM 1000 pF 500 V 10 X7R 1206_190 1206_190 C1206C102KCRA...

Page 23: ...1 R76 R77 5 100k RES 100 k 1 0 1 W 0603 603 RC0603FR 07100KL Yageo R9 R25 R43 R45 R48 R70 6 100k RES 100 k 1 0 0625 W 0402 402 RC0402FR 07100KL Yageo America R15 1 49 9k RES 49 9 k 1 0 1 W 0603 603 RC...

Page 24: ...206 1206 12061A102JAT2A AVX C26 C37 C45 C61 0 220 pF CAP CERM 220 pF 50 V 5 C0G NP0 0603 603 GRM1885C1H221JA01D MuRata C50 C51 C53 C56 0 1 uF CAP CERM 1 uF 50 V 10 X7R 1206 1206 GRM31MR71H105KA88L MuR...

Page 25: ...ACK RED RCJ 022 CUI Inc J4 J5 J6 J7 J8 J12 J13 J19 J24 J26 J27 J29 J30 13 Header 100mil 2x1 Gold TH Sullins 100mil 1x2 230 mil above insulator PBC02SAAN Sullins Connector Solutions J10 J11 J20 J21 J22...

Page 26: ...itch SH1 SH2 SH3 SH4 SH5 SH6 SH7 SH8 SH9 SH10 SH11 SH12 SH13 SH14 SH15 SH16 SH17 SH18 SH19 SH20 20 1x2 Shunt 100mil Gold plated Black Shunt 969102 0000 DA 3M TP1 TP13 TP14 TP17 TP29 TP30 TP31 TP35 8 T...

Page 27: ...k 1 0 1 W 0603 0603 CRCW06032K00FKEA Vishay Dale R13 0 1 00k RES 1 00 k 1 0 125 W 0805 0805 CRCW08051K00FKEA Vishay Dale R16 R63 R64 R65 R66 0 0 RES 0 5 0 1 W 0603 0603 CRCW06030000Z0EA Vishay Dale R...

Page 28: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 29: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 30: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 31: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 32: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 33: ...change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of thes...

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