Texas Instruments TAS5411EVM Manual de usuario

User's Guide

SLOU431–November 2015

TAS5411EVM User's Guide

The TAS5411-Q1 evaluation module (EVM) is intended to demonstrate the capabilities of the TAS5411-

Q1 device. All the device features can be accessed through the hardware and the software graphical user

interface (GUI) which is supplied. This user's guide contains a description of the EVM and the GUI. The

schematic, bill of materials (BOM), and board layout are included.

1 Hardware Overview

The TAS5411EVM showcases TI's TAS5411-Q1 analog input class-D closed-loop mono amplifier. The

EVM is usable as stand-alone platform with default I2C register settings. The EVM runs in default I2C

the I2C register settings.

Figure 1. TAS5411EVM

SLOU431–November 2015 TAS5411EVM User's Guide

Hardware Overview

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1.1 TAS5411EVM Features

• Runs without I2C initialization

• Has GUI control via USB port

• Passes EMC CISPR 25, class 5

1.2 TAS5411EVM Gain

The gain setting for TAS5411-Q1 device is I2C programmable. The four gain options are 20 dB, 26 dB, 32

dB, and 36 dB. Set the gain by modifying I2C control register 0x03. By default, the gain is 26 dB.

1.3 TAS5411EVM PWM Switching Frequencies

The PWM switching frequency is I2C programmable. The two f(SW) options are 400 kHz and 500 kHz.

Programming the frequency in control register 0x03 is via the GUI and IIC2USB-2 board. By default, f(SW)

is 400 kHz.

1.4 TAS5411EVM SpeakerGuard™ Protection Circuitry

The SpeakerGuard protection circuitry is programmable for different voltage levels. Programming the

levels in control register 0x03 via the GUI and IIC2USB-2 board. The control register shows the default

value for the SpeakerGuard protection-circuitry voltage level.

Table 1. Control Register

D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION

0 1 1 1 1 0 0 0 26-dB gain, f(SW) set to 400 kHz, SpeakerGuard protection

circuitry is set to maximum voltage.

——————— 1f(SW) set to 500 khz

— — — — — 1 1 — RESERVED

— — 1 1 0 — — — SpeakerGuard protection circuitry is set to 14-V peak

output.

— — 1 0 1 — — — SpeakerGuard protection circuitry is set to 11.8-V peak

output.

— — 1 0 0 — — — SpeakerGuard protection circuitry is set to 9.8-V peak

output.

— — 0 1 1 — — — SpeakerGuard protection circuitry is set to 8.4-V peak

output.

— — 0 1 0 — —- — SpeakerGuard protection circuitry is set to 7-V peak

output.

— — 0 0 1 — — — SpeakerGuard protection circuitry is set to 5.9-V peak

output.

— — 0 0 0 — — — SpeakerGuard protection circuitry is set to 5-V peak

output.

0 0 — — — — — — Set gain to 20 dB.

0 1 — — — — — — Set gain to 32 dB.

1 1 — — — — — — Set gain to 36 dB.

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TAS5411EVM Setup

2 TAS5411EVM Setup

This section describes the TAS5411EVM setup and software installation.

Figure 2. TAS5411EVM Connection

Hardware requirements (see Figure 2):

• Computer running Windows XP, Windows 7, or Windows 8

• Power supply unit (PSU) 5–18 VDC

• USB cable (provided)

• PS2 cable (provided)

• USB2IIC-2 board (provided)

• Audio source: analog RCA input

Hardware setup:

1. Connect the 6-pin (PS2) cable to the TAS5411EVM on one end and to the USB2IIC-2 board on the

other (see Figure 2).

2. Plug in the USB cable from the PC to the USB2IIC-2 board (shown in Figure 3). The 3.3-V and USB

LINK LEDs light. The I2C LEDs (SDA/SCL) on the USB2IIC-2 board are blinking (colored boxes in

Figure 3).

3. Connect J2 (see Figure 2):

• PSU: Pin 7 (+) and Pin 6 (-) to PSU

• The speaker: Pin 5 (-) and Pin 4 (+) to speakers

• The audio input: Pin 2 (+) and Pin 1 (-) to input source

• Leave Pin 3 unconnected or connect it to ground.

4. Connect the PSU to the TAS5411EVM and turn on the power. The 3.3-V LED (D1 on the EVM board)

lights (see Figure 1).

5. Set switch S1 to OPERATION and S2 to UNMUTE (see Figure 1).

NOTE: The TAS5411EVM can run without a USB2IIC-2 board.

SLOU431–November 2015 TAS5411EVM User's Guide

A003

PS2

Cable

USB

Cable

A002

Software Installation

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Figure 3. USB2IIC-2 Board

3 Software Installation

The TAS5411-Q1 use the TAS5421-Q1 GUI. It is available on the product folder by clicking on Tools and

Software tab to obtain the latest release of the GUI.

Execute the GUI installation program, TAS5421-Q1 GUI Setup.exe. After the program is installed, run the

TAS5421 EVM GUI. Figure 4 shows the start-up GUI image. The GUI displays the fault register when first

started. I2C data is polling by default. The I2C device address for the TAS5411-Q1 device is D8. Green

USB and I2C LEDs show that USB is connected and I2C communication is valid.

Figure 4. GUI Image at Start-Up

4TAS5411EVM User's Guide SLOU431–November 2015

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A004

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Using the GUI With the TAS5411EVM Board

4 Using the GUI With the TAS5411EVM Board

The TAS5411EVM does not need initialization. On powering up, the device performs load diagnostics. If

there is no problem, the device transitions to play mode with the following default values are set:

• Gain: 26 dB

• f(SW): 400 kHz

• SpeakerGuard protection circuitry: Maximum voltage level

4.1 Checking the Fault Register

When the GUI first runs, the Register Detail box displays the fault register. The GUI runs with I2C data

polling as the default setting, clearing any previous faults after the first poll. If any fault condition is still

active after device goes into play mode, with the exception of open load, the device enters the load-

diagnostics mode.

Figure 5. Fault Register

SLOU431–November 2015 TAS5411EVM User's Guide

A006

A005

Using the GUI With the TAS5411EVM Board

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4.2 Checking the Status Register

Figure 6 shows the status register. Click on Status-Diag (Read-Only) (0x02), shown in Figure 6 (blue

boxes for illustration only, not shown on GUI) and the register detail appears in the middle box.

Figure 6. Status Register

4.3 Checking and Changing the Control Register

Figure 7 shows the control register. In this register, one can change the default values for f(SW),

SpeakerGuard protection circuitry, and gain. Select the desired check boxes; then click apply to

update the device status box.

Figure 7. Control Register

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A008

A007

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Using the GUI With the TAS5411EVM Board

4.4 Read and I2C Log

The I2C log displays I2C registers read data (see Figure 8). An option exists for reading the three registers

all at once or individually. Pressing the Read Faults button displays the fault register value on the I2C log

as well.

Starting the GUI enables the I2C log. An option is available to turn off logging on the pulldown I2C Log

menu.

Figure 8. Read and I2C Log

4.5 I2C Polling

As mentioned above, the I2C polling is on when the GUI starts. To disable I2C polling, click on I2C polling

pulldown tab and unselect the check box. The polling time can also be changed as shown in Figure 9.

Figure 9. I2C Polling

SLOU431–November 2015 TAS5411EVM User's Guide

Board Layouts, Bill of Materials, and Schematic

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5 Board Layouts, Bill of Materials, and Schematic

5.1 TAS5411EVM Board Layouts

Figure 10 and Figure 11 show the board layouts for the EVM.

Figure 10. TAS5411EVM Top View

Figure 11. TAS5411EVM Bottom View

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Board Layouts, Bill of Materials, and Schematic

5.2 Bill of Materials

Table 2 lists the BOM for this EVM.

Table 2. Bill of Materials

ITEM MFR PART NO. MFR QTY REF DESCRIPTION

DESIGNATORS

1 GRM188R71E104KA01D MuRata 3 C1, C6, C19 Capacitor, ceramic, 0.1-µF, 25-

V, ±10%, X7R, 0603

2 GRM188R71H222KA01D MuRata 1 C2 Capacitor, ceramic, 2200-pF,

50-V, ±10%, X7R, 0603

3 GRM188R71E823KA01D MuRata 1 C3 Capacitor, ceramic, 0.082-µF,

25-V, ±10%, X7R, 0603

4 GRM31CR71E475KA88L MuRata 2 C4, C5 Capacitor, ceramic, 4.7-µF, 25-

V, ±10%, X7R, 1206

5 GRM31CR71E106KA12L MuRata 1 C7 Capacitor, ceramic, 10-µF, 25-

V, ±10%, X7R, 1206

6 UBT1E331MPD1TD Nichicon 1 C8 Capacitor, AL, 330-µF, 25-V,

±20%, 0.075-Ω, TH

7 GRM21BR71E105KA99L MuRata 3 C9, C16, C21 Capacitor, ceramic, 1-µF, 25-V,

±10%, X7R, 0805

8 GRM188R71E224KA88D MuRata 2 C10, C14 Capacitor, ceramic, 0.22-µF,

25-V, ±10%, X7R, 0603

9 GRM21BR71E335KA73L MuRata 2 C11, C17 Capacitor, ceramic, 3.3-µF, 25-

V, ±10%, X7R, 0805

10 GRM188R71E103KA01D MuRata 2 C12, C18 Capacitor, ceramic, 0.01-µF,

25-V, ±10%, X7R, 0603

11 GRM188R72E471KW07D MuRata 2 C13, C15 Capacitor, ceramic, 470-pF,

250-V, ±10%, X7R, 0603

12 LTST-C190CKT Lite-On 1 D1 LED, Red, SMD

13 LTST-C171GKT Lite-On 1 D2 LED, Green, SMD

14 SJ5382 3M 4 H1, H2, H3, H4 Bumpon, hemisphere, 0.25 ×

0.075, clear

15 MD-60SM CUI Inc. 1 J1 Receptacle, 6x1_3MH, R/A, TH

16 ED555/7DS On-Shore 1 J2 Terminal Block, 6A, 3.5mm

Technology Pitch, 7-Pos, TH

17 SER1360-103KLB Coilcraft 1 L1 Inductor, shielded E core,

ferrite, 10-µH, 7.2-A, 0.01-Ω,

SMD

18 DFEG7030D-150M Toko 2 L2, L3 Inductor, Shielded, Metal

Composite, 15 µH, 2.7 A,

0.179 ohm, AEC-Q200 Grade

1, SMD

19 RC0603FR-074K7L Yageo America 4 R1, R2, R8, R9 Resistor, 4.70 kΩ, 1%, 0.1-W,

0603

20 CRCW0603499RFKEA Vishay-Dale 2 R3, R10 Resistor, 499-Ω, 1%, 0.1-W,

0603

21 CRCW08055R60JNEA Vishay-Dale 2 R4, R7 Resistor, 5.6-Ω, 5%, 0.125-W,

0805

22 CRCW080549K9FKEA Vishay-Dale 2 R5, R6 Resistor, 49.9-kΩ, 1%, 0.125-

W, 0805

23 200USP1T1A1M2RE E-Switch 2 S1, S2 Switch, SPDT, On-On, 2 Pos,

24 TAS5411QPWPRQ1 Texas Instruments 1 U1 10-W mono automotive digital

amplifier with diagnostics,

PWP0016A

25 UA78M33CDCY Texas Instruments 1 U2 Positive voltage regulator,

DCY0004A

SLOU431–November 2015 TAS5411EVM User's Guide

Board Layouts, Bill of Materials, and Schematic

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5.3 TAS5411EVM Schematic

Figure 12 shows the TAS5411EVM schematic.

Figure 12. TAS5411EVM Schematic

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