background image

1

SLOU441 – July 2016

Submit Documentation Feedback

Copyright © 2016, Texas Instruments Incorporated

TPA3255EVM

User's Guide

SLOU441 – July 2016

TPA3255EVM

This User’s Guide describes the operation of the evaluation module (TPA3255EVM, rev A) for the
TPA3255 315-W Stereo/600-W mono PurePath™ Ultra-HD Analog Input Power Stage. The user’s guide
also provides design information, which includes schematics, BOM, and PCB layout. For questions and
support go to the E2E forums (

e2e.ti.com

).

The main contents of this document are:

Hardware descriptions and implementation

Design information

Related documents:

TPA3255 Data Sheet (

SLASEA8

)

Topic

...........................................................................................................................

Page

2

Hardware Overview

..............................................................................................

3

3

TPA3255EVM Setup

..............................................................................................

6

4

Using TPA3255EVM in Different Output Configurations

............................................

9

5

Board Layouts, Bill of Materials, and Schematic

....................................................

12

Summary of Contents for TPA3255EVM

Page 1: ...HD Analog Input Power Stage The user s guide also provides design information which includes schematics BOM and PCB layout For questions and support go to the E2E forums e2e ti com The main contents...

Page 2: ...www ti com 2 SLOU441 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPA3255EVM 1 Trademarks PurePath is a trademark of Texas Instruments...

Page 3: ...tput channel one BTL plus two SE 2 1 output channels and four SE 4 0 output channels configurations The NE5532 is a High Performance Audio Op Amp designed to allow TPA3255DDV operation with differenti...

Page 4: ...and result in better operating conditions for the power supply The inter channel delay will be set up for a slave device depending on the polarity of the OSC_I O connection such that slave mode 1 is...

Page 5: ...e details Table 2 Fault and Clip Overtemperature Status FAULT CLIP_OTW Description 0 0 Overtemperature OTE or overload OLP or undervoltage UVP Junction temperature higher than 125 C overtemperature wa...

Page 6: ...ht 2016 Texas Instruments Incorporated TPA3255EVM 3 TPA3255EVM Setup This section describes the TPA3255EVM hardware setup and connection 3 1 TPA3255EVM Setup Figure 2 illustrates the TPA3255EVM connec...

Page 7: ...erminal to GND BLACK Connect left channel speaker power resistor load 4 8 to TPA3255 EVM positive output terminal to OUTA RED and AP analog input channel A positive terminal Connect left channel speak...

Page 8: ...audio source is off NOTE J3 J10 and J18 J15 can be used for differential inputs to INA INB and INC IND respectively Using a smart phone tablet or PC with headphone to RCA cable audio streaming via he...

Page 9: ...nfigure the EVM as follows for 2 SE 1 BTL operation Table 5 2 SE 1 BTL Default Jumper States Jumper Setting Comment J29 IN PVDD to 15 V BUCK J31 IN 12 V LDO to 12 V TERM J32 IN 3 3 V LDO to 3 3 V TERM...

Page 10: ...IN 3 3 V LDO to 3 3 V TERM J33 IN 3 3 V LDO to 3 3 V TERM J21 IN CSTART SE J16 3 to 4 MASTER MODE J5 2 to 3 M1 PBTL J6 1 to 2 M2 PBTL J22 IN OUTA CAP SHUNT J23 IN OUTB CAP SHUNT J24 IN OUTC CAP SHUNT...

Page 11: ...5 to H Connect speaker power resistor 2 4 positive terminal to OUTA and remove jumper J22 Connect speaker power resistor 2 4 positive terminal to OUTB and remove jumper J23 Connect speaker power resis...

Page 12: ...n Feedback Copyright 2016 Texas Instruments Incorporated TPA3255EVM 5 Board Layouts Bill of Materials and Schematic 5 1 TPA3255EVM Board Layouts Figure 3 and Figure 4 illustrate the board layouts for...

Page 13: ...Schematic 13 SLOU441 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPA3255EVM 5 2 TPA3255EVM Board Dimension Figure 5 illustrates the TPA3255EVM board dimension...

Page 14: ...R 0603 603 C0603C104K5RACT U Kemet C10 1 100 f CAP AL 100 F 6 3 V 20 0 7 SMD SMT Radial C EEE FK0J101UR Panasonic C11 C26 C37 C45 C61 5 0 01 f CAP CERM 0 01 F 100 V 10 X7R 0603 603 06031C103KAT2A AVX...

Page 15: ...A JACK RED RCJ 022 CUI Inc J4 J5 J6 J7 J8 J19 J26 J27 8 Header 100 mil 3 1 Gold TH PBC03SAAN PBC03SAAN Sullins Connector Solutions J10 J12 2 Header 2 54 mm 3 1 TH Header 2 54 mm 3 1 TH 22 11 2032 Mole...

Page 16: ...1 W 0603 603 RC0603FR 0722KL Yageo America R15 R36 R52 3 10 0 k RES 10 0 k 1 0 1 W 0603 603 CRCW060310K0FKE A Vishay Dale R16 1 20 0 k RES 20 0 k 1 0 1 W 0603 603 RC0603FR 0720KL Yageo America R17 1 3...

Page 17: ...SUPPLY VOLTAGE SUPERVISORS DCK0005A DCK0005A TPS3802K33DCKR Texas Instruments C73 C74 C75 C76 0 22 pF CAP CERM 22 pF 50 V 5 C0G NP0 0603 603 GRM1885C1H220JA 01D MuRata C77 C78 C79 C80 0 1 f CAP CERM 1...

Page 18: ...INB 1 2 3 J15 IND 1 2 3 J3 INA AB INA RCA 100k R43 100k R9 GND 100k R45 INPUT SE C SE CD DIFF C RCA INPUT RIGHT INC RCA 1 2 3 J18 INC CD INB IND INA INC 1 2 3 J26 INC SEL 1 2 3 J27 IND SEL 10 0k R37...

Page 19: ...100V C25 1000pF 100V C36 1000pF 100V C44 1000pF 100V C60 0 033 F C27 0 033 F C29 0 033 F C52 0 033 F C54 10 H L7 DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP TP28 M2 DNP DNP DNP DNP DNP...

Page 20: ...12V 12V GND 1A D1 0 047 F C1 0 1uF C13 GND 4700pF C12 182k R2 5600pF C7 4 99k R39 1 00k R40 GND 3A D3 GND GND VCC 9 SS 7 SW 1 FB 6 RTN 5 VIN 10 BST 2 RON SD 8 DAP 11 ISEN 3 SGND 4 U1 LM5010ASD NOPB P...

Page 21: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

Page 22: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPA3255EVM...

Reviews: