Texas Instruments TPA3110D2 Manuel utilisateur

User's Guide

SLOU263A–July 2009–Revised July 2010

TPA3110D2 EVM Audio Amplifier Evaluation Board

This user's guide provides the TPA3110D2 evaluation board specifications and a quick start list for

stand-alone operation. Also included are the schematic, printed-circuit board layout, and bill of materials.

Contents

1 Introduction .................................................................................................................. 2

1.1 TPA3110D2 EVM Specifications ................................................................................. 3

2 Operation ..................................................................................................................... 3

2.1 Quick Start List for Stand-Alone Operation ..................................................................... 3

3 Schematic, Layout, and Bill of Materials ................................................................................. 6

3.1 TPA311D2 EVM Schematic ...................................................................................... 6

3.2 TPA3110D2 EVM PCB Layers ................................................................................... 7

3.3 TPA3110D2 Bill of Materials ...................................................................................... 9

List of Figures

1 The TI TPA3110D2 EVM Audio Power Amplifier – Top View......................................................... 2

2 The TI TPA3110D2 EVM Audio Power Amplifier – Bottom View..................................................... 3

3 TPA311D2 EVM Schematic ............................................................................................... 6

4 TPA3110D2 EVM – Top Side Layout .................................................................................... 7

5 TPA3110D2 EVM – Bottom Side Layout ................................................................................ 8

List of Tables

1 Key Parameters............................................................................................................. 3

2 Power Supply Requirements ............................................................................................. 4

3 TPA3110D2 Control Guide ................................................................................................ 4

4 Bill of Materials for TPA3110D2EVM .................................................................................... 9

SLOU263A–July 2009–Revised July 2010 TPA3110D2 EVM Audio Amplifier Evaluation Board

Introduction

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1 Introduction

The TPA3110D2 EVM customer evaluation module demonstrates the integrated circuit TPA3110D2 from

Texas Instruments.

Figure 1. The TI TPA3110D2 EVM Audio Power Amplifier – Top View

2TPA3110D2 EVM Audio Amplifier Evaluation Board SLOU263A–July 2009–Revised July 2010

www.ti.com

Operation

Figure 2. The TI TPA3110D2 EVM Audio Power Amplifier – Bottom View

1.1 TPA3110D2 EVM Specifications

Table 1. Key Parameters

Key Parameters

Power Supply Voltage 8 to 26 Volts

Number of Channels 2 Bridge Tied Load (BTL) Stereo

Load Impedance Stereo BTL 4 to 8 Ω(connect 33-mH series inductor for 4 Ωor 68-mH inductor for 8 Ωif using the ferrite bead

filters)

Load Impedance Mono PBTL 2 to 8 Ω(connect series inductors if using with ferrite bead filters)

Output Power BTL 15 W per channel

Output Power PBTL 30 W

2 Operation

2.1 Quick Start List for Stand-Alone Operation

Follow these steps to use the TPA3110D2 EVM stand-alone or when connecting it into existing circuits or

equipment. Connections to the EVM module can be made by inserting stripped wire or banana plugs for

the power supply and output connections. The input connectors are RCA phono jacks.

SLOU263A–July 2009–Revised July 2010 TPA3110D2 EVM Audio Amplifier Evaluation Board

Operation

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Power Supply

A single power supply is required to power up the EVM. Since most of the pins are PVCC compliant, the

PVCC supply can also be used to power the analog supply (AVCC) and can be used to pull up the logic

pins for shutdown (SD) control, fault detection (FAULT), gain (GAIN0 and GAIN1), and PBTL as long as

the voltage slew rate is limited to 10 V/ms. GVDD is an internally generated supply for the output FETs

and is also used to power the PLIMIT voltage divider circuit on the EVM. PLIMIT is GVDD compliant, but

not PVCC compliant. PLIMIT can also be powered by an external supply connected to the PLIMIT pin.

Take care not to power the PLIMIT pin (or connect power to the GVDD pin inadvertently through the

PLIMIT network) when the PVCC supply is turned off. This can cause damage to the IC.

Table 2. Power Supply Requirements

Description Voltage Range Current Requirements Minimum Wire Size

PVCC 8 to 26 V 3 A 24 AWG

Evaluation Module Preparations

1. Ensure that the external power source is set to OFF.

2. Connect the external regulated power supply adjusted from 8V to 26V to the module PVCC and GND

banana jacks taking care to observe marked polarity.

Inputs and Outputs

1. For a BTL Configuration, connect a Load(s) across the outputs (LEFT+ and LEFT-) and (RIGHT+ and

RIGHT-). For PBTL configuration, connect a single load from one of the left speaker jacks to one of the

right speaker jacks depending on how the filters are loaded.

2. Connect audio inputs, either differential or single-ended, to the LIN and RIN RCA phono plugs for BTL

operation. For PBTL operation, apply a single input, differential or single-ended, to the RIN RCA phono

plug.

Control Inputs

1. Ensure the mode jumpers, PBTL, GAIN0, GAIN1, are set correctly depending on the desired operating

state. Also, make sure to connect the left outputs together and the right outputs together at the LEFT

and RIGHT molex connectors if PBTL operation is desired.

Power Up

1. Verify correct voltage and input polarity and turn the external power supplies ON

The EVM should begin operation.

2. Adjust the audio source for the correct volume and enjoy!

Table 3. TPA3110D2 Control Guide

Control Function Options Notes

JP1 Allow amp to self reset after Insert jumper for self reset. For latched SC fault, cycle power to reset the fault

short-circuit protection event Leave off for latched SC fault latch.

GAIN1/GAIN0 Controls amp gain Insert jumper for zero state 00 = 20 dB (GAIN1, GAIN0)

(low), Leave off for one state 01 = 26 dB

(high) 10 = 32 dB

11 = 36 dB

JP2 Defeats PLIMIT function and allows Insert jumper for PLIMIT JP2 connects PLIMIT directly to GVDD

amp to run at full power. defeat

R7 Adjust PLIMIT (an external voltage can The output voltage rails will be limited to

also be applied to the PLIMIT test approximately 4X the voltage at the PLIMIT pin.

point) Take care not to apply power to PLIMIT when the

PVCC source is off.

4TPA3110D2 EVM Audio Amplifier Evaluation Board SLOU263A–July 2009–Revised July 2010

www.ti.com

Operation

Table 3. TPA3110D2 Control Guide (continued)

Control Function Options Notes

PBTL Sets the amplifier in PBTL mode Insert jumper to defeat PBTL If PBTL jumper is removed (PBTL mode), the Left

mode and run in normal outputs (OUTPL and OUTNL) as well as the Right

stereo BTL mode. outputs (OUTPR and OUTNR) are synchronized

and in phase. This allows them to be connected

together before the reconstruction filter for PBTL

operations. For PBTL operation, connect the

OUTPL and OUTNL to each other and connect

the OUTPR and OUTNR to each other. This can

be done by shorting the two pins of the molex

connectors labeled LEFT and RIGHT.

JP3, JP4, JP5, Connects LC filters to outputs. The LC filters are not installed in this version of

and JP6 the EVM. However, the inductors are shipped with

the EVM package. They can be installed and used

as normal reconstruction filters or to smooth the

audio waveforms for measurement. They can also

be used when driving resistive loads to simulate a

speaker load. This EVM is meant to demonstrate

filter-free operation with just a ferrite bead and

small capacitor for good EMI performance.

SLOU263A–July 2009–Revised July 2010 TPA3110D2 EVM Audio Amplifier Evaluation Board

Schematic, Layout, and Bill of Materials

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3 Schematic, Layout, and Bill of Materials

3.1 TPA311D2 EVM Schematic

Figure 3. TPA311D2 EVM Schematic

6TPA3110D2 EVM Audio Amplifier Evaluation Board SLOU263A–July 2009–Revised July 2010

www.ti.com

Schematic, Layout, and Bill of Materials

3.2 TPA3110D2 EVM PCB Layers

Figure 4. TPA3110D2 EVM – Top Side Layout

SLOU263A–July 2009–Revised July 2010 TPA3110D2 EVM Audio Amplifier Evaluation Board

Schematic, Layout, and Bill of Materials

www.ti.com

Figure 5. TPA3110D2 EVM – Bottom Side Layout

8TPA3110D2 EVM Audio Amplifier Evaluation Board SLOU263A–July 2009–Revised July 2010

www.ti.com

Schematic, Layout, and Bill of Materials

3.3 TPA3110D2 Bill of Materials

Table 4. Bill of Materials for TPA3110D2EVM

Item MANU Part no. QTY REF DESIGNATORS Vendor Part No Description Vendor MANU

TI-SEMICONDUCTORS

1 TPA3110D2PWP 1 U1 TPA3110D2PWP 15-W STEREO CLASS-D TEXAS INSTRUMENTS TEXAS INSTRUMENTS

AUDIO POWER AMP,

TSSOP28-PWP ROIHS

CAPACITORS

2 ECJ-1VC1H331J 4 C14, C15, C16, C17 PCC331ACVCT CAP SMD0603 CERM 330PFD DIGI-KEY PANASONIC

50V 5% COG ROHS

3 C1608C0G1H102J 6 C6, C11, C20, C21, C22, C23 445-1293-1 CAP SMD0603 CERM 1000PFD DIGI-KEY TDK CORP.

50V 5%COG ROHS

4 C1608X7R1H104K 2 C12,C18 445-1314-1 CAP SMD0603 CERM 0.1UFD DIGI-KEY TDK

50V X7R ROHS

5 EMK105BJ224KV-F 4 C7,C8,C9,C10 587-1452-1 CAP SMD0402 CERM 0.22ufd DIGI-KEY TAIYO YUDEN

16V X5R ROHS

6 C0603C105K4PACTU 6 C1,C2,C3,C4,C28,C29 399-5090-1 CAP SMD0603 CERM 1.0ufd DIGI-KEY KEMET

16V 10% X5R ROHS

7 GMK107BJ105KA-T 1 C5 587-1437-1 CAP SMD0603 CERM 1.0ufd DIGI-KEY TAIYO YUDEN

35V 10% X5R ROHS

8 EEE-1VA101XP 2 C13,C19 PCE3951CT CAP SMD ELECT 100ufd 35V DIGI-KEY PANASONIC

20% VS-D8 ROHS

RESISTORS

9 ERJ-8GEY0R00V 4 RL1, RL2, RL3, RL4 P0.0ECT RESISTOR SMD1206 0.0 OHM DIGI-KEY PANASONIC

5% 1/4W ROHS

10 ESR10EZPJ100 4 R9,R10,R11,R12 RHM10KCT RESISTOR SMD0805 10 OHM DIGI-KEY ROHM

1% 1/4W ROHS

11 ERJ-8ENF10R0 1 R5 P10.0FCT RESISTOR SMD1206 10.0 OHM DIGI-KEY PANASONIC

1% 1/4W ROHS

12 RC0603FR-071KL 1 R6 311-1.00KHRCT RESISTOR SMD0603 1.00K DIGI-KEY YAGEO

OHM 1% 1/10W ROHS

13 ERJ-3GEYJ103V 1 R8 P10KGCT RESISTOR SMD0603 10K 5% DIGI-KEY PANASONIC

1/10W ROHS

14 3303W-3-103E 1 R7 3303W-103ECT POT 10K SMD SINGLE TURN DIGI-KEY BOURNS

CERMET ROHS

15 ERJ-3EKF1003V 3 R1,R2,R3 P100KHCT RESISTOR SM0603 100K OHM DIGI-KEY PANASONIC

1% 1/16W ROHS

FERRITE BEADS

16 HI1812V101R-10 6 FB1, FB2, FB3, FB4, FB5, FB6 240-2543-1 FERRITE BEAD SMD1812 125 DIGI-KEY STEWARD

OHM@100MHz 8A ROHS

HEADERS AND JACKS

17 PBC02SAAN 11 JP1, JP2, JP3, JP4, JP5, JP6, S1011E-02 HEADER 2 PIN MALE, PCB DIGI-KEY SULLINS

JP7, JP8, PBTL, GAIN0, GAIN1 STRAIGHT GOLD ROHS

SLOU263A–July 2009–Revised July 2010 TPA3110D2 EVM Audio Amplifier Evaluation Board

Schematic, Layout, and Bill of Materials

www.ti.com

Table 4. Bill of Materials for TPA3110D2EVM (continued)

Item MANU Part no. QTY REF DESIGNATORS Vendor Part No Description Vendor MANU

18 22-23-2021 2 LEFT, RIGHT WM4200 HEADER MALE 2PIN 100LS W/ DIGI-KEY MOLEX

FRICTION LOCK ROHS

19 PJRAN1X1U01X 1 LIN 65K7770 JACK, RCA 3-PIN PCB-RA NEWARK SWITCHCRAFT

BLACK ROHS

20 PJRAN1X1U03X 1 RIN 89K7617 JACK, RCA 3-PIN PCB-RA RED NEWARK SWITCHCRAFT

ROHS

TESTPOINTS AND SWITCHES

21 5004 7 SD, TP1, TP2, TP3, TP4, 5004K PC TESTPOINT, YELLOW, DIGI-KEY KEYSTONE

FAULT, PLIMIT ROHS ELECTRONICS

22 5001 3 AGND, PGND1, PGND2 5001K PC TESTPOINT, BLACK, ROHS DIGI-KEY KEYSTONE

ELECTRONICS

23 TL1015AF160QG 1 S1 EG4344CT SWITCH, MOM, 160G SMT DIGI-KEY E-SWITCH

4X3MM ROHS

BINDING POSTS

24 3760-2 2 LEFT+, RIGHT+ 565-3760-2 BINDING POST, RED 60V/15A MOUSER POMONA

TIN ROHS

25 3760-0 2 LEFT-, RIGHT- 565-3760-0 BINDING POST, BLACK MOUSER POMONA

60V/15A TIN ROHS

26 3750-2 1 PVCC 565-3750-2 BINDING POST, RED 60V/15A MOUSER POMONA

GOLD ROHS

27 3750-0 1 GND 565-3750-0 BINDING POST, BLACK MOUSER POMONA

60V/15A GOLD ROHS

SHUNTS

28 SPC02SYAN 11 JP1, JP2, JP3, JP4, JP5, JP6, S9001 SHUNT, BLACK AU FLASH DIGI-KEY SULLINS

JP7, JP8, PBTL, GAIN0, GAIN1 0.100LS

STANDOFFS AND HARDWARE

29 PMS 440 0025 PH 4 SO1-S04 H342 4-40 SCREW, STEEL 0.250 IN DIGI-KEY BUILDING

FASTENERS

30 2030 4 SO1-S04 2030K STANDOFF,4- DIGI-KEY KEYSTONE

40,0.875INx3/16IN,ALUM RND ELECTRONICS

F-F

COMPONENTS NOT ASSEMBLED

C24, C25, C26, C27, L1, L2, L3, L4

10 TPA3110D2 EVM Audio Amplifier Evaluation Board SLOU263A–July 2009–Revised July 2010

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