Transcript
User's Guide SLOU209A – September 2007 – Revised October 2007
TAS5176DDW6EVM This user’s guide describes the operation of the evaluation module for the TAS5176 Digital Amplifier Power Output Stage using the TAS5086 Digital Audio PWM Processor from Texas Instruments. The user’s guide also provides measurement data and design information including schematic, BOM, and PCB layout. Contents 1 Overview ...................................................................................................................... 2 2 Quick Setup Guide........................................................................................................... 5 3 Protection ..................................................................................................................... 8 4 TAS5176DDW6EVM Performance ...................................................................................... 10 5 Related Documentation from Texas Instruments ...................................................................... 21 6 Additional Documentation ................................................................................................. 21 Appendix A Design Documents ............................................................................................... 22 List of Figures 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Integrated PurePath Digital™ Amplifier System ......................................................................... 4 Physical Structure of the TAS5176DDW6EVM (Approximate Layout) ............................................... 5 TAS5086 GUI Window ...................................................................................................... 8 THD+N vs Power (ch 1-5 / 8 Ω) .......................................................................................... 12 THD+N vs Power (ch 6 / 4 Ω) ............................................................................................ 12 THD+N vs Frequency (ch 1 / 8 Ω) ....................................................................................... 13 THD+N vs Frequency (ch 6 / 4 Ω) ....................................................................................... 13 FFT Spectrum with –60 dBFS (ch 1) .................................................................................... 14 FFT Spectrum with –60 dBFS Signal (ch 6) ............................................................................ 14 Idle Noise FFT Spectrum (ch 1) .......................................................................................... 15 Idle Noise FFT Spectrum (ch 6) .......................................................................................... 15 Channel Separation (1-2) ................................................................................................. 16 Channel Separation (6-5) ................................................................................................. 16 Frequency Response (ch 1) .............................................................................................. 17 Frequency Response (ch 6) .............................................................................................. 17 High Current Protection (ch 1) ............................................................................................ 18 High Current Protection (ch 6) ............................................................................................ 18 Pop/Click Time Domain (ch 1) ............................................................................................ 19 Pop/Click FFT(ch 1) ........................................................................................................ 19 Pop/Click Time Domain (ch 6) ............................................................................................ 20 Pop/Click FFT(ch 6) ........................................................................................................ 20 Output Stage Efficiency ................................................................................................... 21 List of Tables
1 2 3 4 5
TAS5176DDW6EVM Specification ........................................................................................ 2 Recommended Supply Voltage ............................................................................................ 7 TAS5176 Warning/Error Signal Decoding ................................................................................ 9 General Test Specifications ............................................................................................... 10 TAS5086 Register Settings ............................................................................................... 10
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Overview 6 7 8 9 10 A-1 A-2
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Electrical Data .............................................................................................................. Audio Performance Data .................................................................................................. Thermal Specification ...................................................................................................... Physical Specifications .................................................................................................... Related Documentation From Texas Instruments ..................................................................... Bill of Materials ............................................................................................................. PCB Specification ..........................................................................................................
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Overview The TAS5176DDW6EVM PurePath Digital™ customer evaluation module demonstrates the integrated circuits TAS5176DDW and TAS5086DBT from Texas Instruments (TI). The TAS5176 is a high performance, six-channel, digital-amplifier system with an advanced protection system. The TAS5176 together with a high performance modulator like the TAS5086 shows low noise, low THD+N and low idle power dissipation. Driving into clipping, 10% THD+N, the TAS5176 is capable of sourcing more than 15W into an 8-Ω single-ended load (SE) per each front/satellite channel and a 4-Ω single-ended load (SE) subwoofer greater than 25W. The TAS5086 is a six-channel digital pulse-width modulator (PWM) that provides both advanced performance and a high level of system integration. The TAS5086 is designed to interface seamlessly with most audio digital signal processors and MPEG decoders, accepting a wide range of input data and clock formats. This EVM, together with a TI input-USB board, is a complete 5.1 channels digital audio amplifier system which includes digital input (S/PDIF), analog inputs, interface to PC and DAP features like digital volume control, input and output muxes, and automute. There is a configuration option for power stage failure protection. Table 1. TAS5176DDW6EVM Specification Key Parameters
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TAS5176DDW6EVM
Output Stage Supply Voltage:
0V – 28V
System Supply Voltage
15V – 28V
Number of Channels
5 x SE 8R, 1x SE 4R
Load Impedance Front/Satellites
8Ω
Load Impedance Subwoofer
4Ω
Output Power Front/Satellites
12W (10% THD+N)
Output Power Subwoofer
24W (10% THD+N)
DNR
>105 dB
PWM Processor
TAS5086DBT
Output Stage
TAS5176DDW
Other Features
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Overview
This 5.1 system is designed for home theater applications such as DVD receivers, DVD mini-component systems, or home theater in a box (HTIB) and LCD TVs. This document covers EVM specifications, audio performance and power efficiency measurements graphs, and design documentation that includes schematics, parts list, layout, and mechanical design.
Gerber (layout) files are available at www.ti.com. The EVM is delivered with cables and input-USB board to connect to an input source and be controlled from a PC.
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Overview
1.1
TAS5176DDW6EVM Features • • • •
6 Channel PurePath Digital™ evaluation module (double-sided plated-through PCB layout) Self-contained protection system (short circuit and thermal) Standard I2S and I2C / control connector for TI input board Double-sided plated-through PCB layout POWER SUPPLY
Channel 1 (SE)
8 Channel Analog Input
Channel 2 (SE) Channel 3 (SE)
Control Interface USB Interface
TAS5086
TAS5176 Channel 4 (SE)
I2C Bus Channel 5 (SE) Optical and Coaxial S/PDIF Input Input- USB board
I2S Bus
Channel 6 (SE)
TAS5176DDW6EVM Module
Figure 1. Integrated PurePath Digital™ Amplifier System
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Quick Setup Guide
1.2
PCB Key Map The physical structure of the TAS5176DDW6EVM is shown in Figure 2.
J104
J103
J105
J106
J102
J101
5V Regulator
Gate Drive Regulator
6 CHANNEL POWER STAGE TAS5176
PSU INTERFACE (J901)
SPEAKER OUTPUTS
TAS5086
3.3V Regulator CONTROL INTERFACE(J40)
INPUT SIGNAL INTERFACE (J60)
Figure 2. Physical Structure of the TAS5176DDW6EVM (Approximate Layout)
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Quick Setup Guide This chapter describes the TAS5176DDW6EVM board in regards to power supplies and system interfaces. The chapter provides information regarding handling and unpacking, absolute operating conditions, and a description of the factory default switch and jumper configuration. This chapter provides a step-by-step guide to configuring the TAS5176DDW6EVM for device evaluation.
2.1
Electrostatic Discharge Warning Many of the components on the TAS5176DDW6EVM are susceptible to damage by electrostatic discharge (ESD). Customers are advised to observe proper ESD handling precautions when unpacking and handling the EVM, including the use of a grounded wrist strap at an approved ESD workstation. CAUTION Failure to observe ESD handling procedures may result in damage to EVM components.
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Quick Setup Guide
2.2
Unpacking the EVM Upon opening the TAS5176DDW6EVM package, check to make sure that the following items are included: • 1 TAS5176DDW6EVM board using one TAS5086DBT and one TAS5176DDW • 1 TI input-USB board for interfacing TAS5176DDW6EVM with SPDIF/analog sources and PC for control • 1 Signal interface IDC cable for connection to an I2S front-end like the attached TI Input-USB board • 1 Control interface IDC cable for connection to an I2C front-end like the attached TI Input-USB board • 1 Cable for connecting input-USB board to a USB port on a PC for TAS5086 control by software • 1 Power supply cable for two regulated power supplies (H-bridge and system supply) • 1 PurePath CD-ROM If any of these items is missing, contact the Texas Instruments Product Information Center nearest you to inquire about a replacement. Connect the input-USB board to the TAS5176DDW6EVM using the two delivered IDC cables.
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Quick Setup Guide
2.3
Power Supply Setup To power up the EVM two power supplies are needed. One for system power, logic and gate-drive, and one for output stage supply. The power supplies are connected to the EVM using the delivered power cable Red/Black, White/Black. Table 2. Recommended Supply Voltage Description
Voltage Limitations
Current Requirement
Cable
System power supply
15 V to 28 V
0.3 A
Red/Black
Output stage power supply
0 V to 28 V
2.0 A
White/Black
CAUTION Applying voltages above the limitations listed in the table above may cause permanent damage to your hardware.
Note:
2.4
The length of the power supply cable must be minimized. Increasing the length of the PSU cable is equal to increasing the distortion for the amplifier at high output levels and low frequencies.
Speaker Connection CAUTION Both positive and negative speaker outputs are floating and may not be connected to ground (e.g. through an oscilloscope.
2.5
GUI Software Installation The TAS5086 GUI provides easy control of all registers in the TAS5086. To install the GUI, run the setup file from the PurePath CD-rom. After installation, turn on the power supplies and connect the USB cable to the Input-USB board. Start the GUI program from the windows menu. Start-up of the GUI will take a few seconds.
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Protection
Figure 3. TAS5086 GUI Window From the files menu load the configuration file: TAS5176DDW6EVM Configuration (1.00).cfg The file is located on the PurePath CD-ROM. This file contains all settings for a default setup of the EVM. For easy access of the file it is recommended to copy the files into the directory where the GUI is installed. The default is C:\Program Files\Texas Instruments Inc\TAS5086\ For more advanced use of the GUI, refer to the GUI User’s Guide and the data manual for the TAS5086.
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Protection This chapter describes the short circuit protection and fault reporting circuitry of the TAS5176 device.
3.1
Short Circuit Protection and Fault Reporting Circuitry The TAS5176 is a self-protecting device that provides fault reporting (including high-temperature protection and short circuit protection). The TAS5176 is configured in back-end auto-recovery mode and therefore resets automatically after all errors (M1 and M2 are set low), see the datasheet for further explanation. This means that the device will re-start itself after an error occurs and report shortly through the SD error signal.
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Protection
3.2
Fault Reporting The OTW and SD outputs from the TAS5176 indicate fault conditions. Refer to the TAS5176 data manual for a description of these pins. Table 3. TAS5176 Warning/Error Signal Decoding OTW
SD
0
0
Device Condition High temperature error and/or high current error
0
1
High temperature warning
1
0
Under voltage lockout or high current error
1
1
Normal operation, no errors/warnings
The temperature warning signals at the TAS5176DDW6EVM board are wire-ORed to the temperature warning signal (OTW – pin 22 in the control interface connector). Shutdown signals are wire-ORed into the shutdown signal (SD – pin 20 in the control interface connector). The shutdown signals will together with the temperature warning signal provide chip state information as described in Table 3. Device fault reporting outputs are open-drain outputs.
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TAS5176DDW6EVM Performance
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TAS5176DDW6EVM Performance Table 4. General Test Specifications General Test Conditions
Notes
Output Stage Supply Voltage
28 V Laboratory Power Supply (EA-PS 7065-10A)
System Supply Voltage
15 V 8Ω
Load Impedance Front/Satellites
4Ω
Load Impedance Subwoofer Input Signal
1-kHz Sine
Sampling Frequency
48 kHz
Gain Setting in TAS5086
0 dB
Measurement Filter
AES17
TI Input-USB Board
Input-USB Rev 10
EVM Configuration File
Version 1.00 TAS5176DDW6EVM Configuration (1.00).cfg
Table 5. TAS5086 Register Settings (1) Register
Register
Value Notes
Oscillator Trim Register
0x1B
00 Initiate factory trim
Split Cap Register
0x1A
1F Set split-cap charge period to 9.6 sec
Master Volume Register
0x07
4E Master volume set to -15 dB
Modulation Limit Register
0x10
04 Modulation Index set to 96.1%
PWM Start Register
0x18
3F Channel 1-6 set to start part 1
System Control Register
0x05
20 PWM start
(1)
These register settings are used for all tests, unless otherwise specified.
Table 6. Electrical Data Electrical Data
10 W 1 kHz, unclipped (0 dBFS), TA = 25°C
Ch 1-5 Output Power, 8 Ω: (10% THD+N)
12 W 1 kHz, TA = 25°C
Ch 6 Output Power, 4 Ω
20 W 1 kHz, unclipped (0 dBFS), TA = 25°C
Ch 6 Output Power, 4 Ω: (10% THD+N)
24 W 1 kHz, TA = 25°C
Ch 1-5 Maximum Peak Current
>4 A 1 kHz burst, 1 Ω, ROC = 27 kΩ
Ch 6 Maximum Peak Current
>6 A 1 kHz burst, 1 Ω, ROC = 27 kΩ
Ch 1-5 Damping Factor
16 1 kHz, relative to 8 Ω load
Ch 6 Damping Factor
14 1 kHz, relative to 4 Ω load
Output Stage Efficiency
88% 1 kHz, 2 × 7.5 W, 4 Ω + 1 × 16 W
System Supply Current
<150 mA 1 kHz, –60 dBFS signal (with TI Input-USB Board)
H-Bridge Supply Current
<100 mA 1 kHz, –60 dBFS signal
Total Board Idle Power Consumption
10
Notes/Conditions
Ch 1-5 Output Power, 8 Ω
TAS5176DDW6EVM
5 W H-Bridge supply + System supply, –60dBFS signal
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Table 7. Audio Performance Data Audio Performance
Notes/Conditions
Ch 1-5 THD+N, 8 Ω:
1W
< 0.1 % 1 kHz
Ch 1-5 THD+N, 8 Ω:
5W
< 0.2 % 1 kHz
Ch 1-5 THD+N, 8 Ω:
12 W
< 0.2 % 1 kHz
Ch 6 THD+N, 4 Ω:
1W
< 0.09 % 1 kHz
Ch 6 THD+N, 4 Ω:
10 W
< 0.09 % 1 kHz
Ch 6 THD+N, 4 Ω:
24 W
< 0.09 % 1 kHz
Ch 1-5 Dynamic Range:
> 105 dB Ref: rated power, A-weighted, AES17 filter < 50 μVrms A-weighted, AES17 filter
Ch 1-5 Noise Voltage Ch 6 Dynamic Range:
> 105 dB Ref: rated power, A-weighted, AES17 filter < 50 μVrms A-weighted, AES17 filter
Ch 6 Noise Voltage
< 5 mV Mute/Unmute, No input signal, 8 Ω, 9.6 sec start-up delay
Ch 1-5 Click/Pop Ch 6 Click/Pop
< 20 mV Mute/Unmute, No input signal, 4 Ω, 9.6 sec start-up delay
Ch 1-2 Channel Separation
> 60 dB 1 kHz, unclipped (0 dBFS)
Ch 1-5 Frequency Response 100 Hz–20 kHz
±0.75 dB 10 W / 8 Ω, unclipped (0 dBFS)
Ch 6 Frequency Response 20 Hz–1 kHz
±0.75 dB 20 W / 4 Ω, unclipped (0 BFS)
Table 8. Thermal Specification Thermal specification
TDEVICE (1)
Notes/Conditions
Idle, All Channels Switching
52°C
1 kHz, 15 min, –60 dBFS signal, TA = 25°C
5 × 1.5 W, 8 Ω + 1 × 3 W, 4 Ω (1/8)
78°C
1 kHz, 1 hour, TA = 25°C
2 × 12 W, 8 Ω (full power)
85°C
1 kHz, 5 min, TA = 25°C
(1)
Measured on devices (average) NO HEATSINK!
Table 9. Physical Specifications Physical Specifications PCB Dimensions
(1)
Notes/Conditions 88 mm × 147 mm Width × Length (mm)
Total Weight (1)
140 g Components + PCB + Mechanics
All electrical and audio specifications are typical values.
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4.1
THD+N vs Power (ch 1-5 / 8 Ω) Gain: +2.2 dB set in the TAS5086
THD+N - Total Harmonic Distortion plus Noise - %
10 5
2 1 0.5
0.2 0.1 0.05
0.02 0.01 100m
200m
500m
1
2 Power - W
5
10
Figure 4. THD+N vs Power (ch 1-5 / 8 Ω)
4.2
THD+N vs Power (ch 6 / 4 Ω) Gain: +2.2 dB set in the TAS5086
THD+N - Total Harmonic Distortion plus Noise - %
10 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.005 0.002 0.001 100m
200m
500m
1
2 Power - W
5
10
20
30
Figure 5. THD+N vs Power (ch 6 / 4 Ω)
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4.3
THD+N vs Frequency (ch 1 / 8 Ω)
THD+N - Total Harmonic Distortion plus Noise - %
10 5
2 1 0.5 9W
0.2
5W
0.1 0.05 1W
0.02 0.01 100
200
500
1k 2k f - Frequency - Hz
5k
10k
20k
Figure 6. THD+N vs Frequency (ch 1 / 8 Ω)
4.4
THD+N vs Frequency (ch 6 / 4 Ω) 10
THD+N - Total Harmonic Distortion plus Noise - %
5 2 1 0.5 17 W 10 W
0.2 0.1 0.05 1W 0.02 0.01 0.005 0.002 0.001 20
50
100 200 f - Frequency - Hz
500
1k
Figure 7. THD+N vs Frequency (ch 6 / 4 Ω)
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4.5
FFT Spectrum with –60 dBFS (ch 1) Reference voltage is 9.0 VRMS, FFT size 16k. 0 -10 -20 -30 -40
FFT - dBr
-50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 0
2k
4k
6k
8k
10k 12k 14k f - Frequency - Hz
16k
18k
20k
22k
Figure 8. FFT Spectrum with –60 dBFS (ch 1)
4.6
FFT Spectrum with –60 dBFS Signal (ch 6) Reference voltage is 9.3 VRMS, FFT size 16k. 0 -10 -20 -30 -40
FFT - dBr
-50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 0
2k
4k
6k
8k
10k 12k 14k f - Frequency - Hz
16k
18k
20k
22k
Figure 9. FFT Spectrum with –60 dBFS Signal (ch 6)
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4.7
Idle Noise FFT Spectrum (ch 1) Reference voltage is 9.0 VRMS, FFT size 16k. 0 -10 -20 -30 -40
FFT - dBr
-50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 10k
20k
30k
40k 50k f - Frequency - Hz
60k
70k
80k
Figure 10. Idle Noise FFT Spectrum (ch 1)
4.8
Idle Noise FFT Spectrum (ch 6) Reference voltage is 9.3 VRMS, FFT size 16k. 0 -10 -20 -30 -40
FFT - dBr
-50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 10k
20k
30k
40k 50k f - Frequency - Hz
60k
70k
80k
Figure 11. Idle Noise FFT Spectrum (ch 6)
4.9
Channel Separation (1-2) Channel separation is tested for front two channels, channel 1 and channel 2. 8 Ω Loads are used for both channels. Channel 1 input signal is 0dBFS, channel 2 is muted. Reference voltage is 9.0 VRMS.
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TAS5176DDW6EVM Performance 10 5
Ch 1
0 -5 -10 -15 -20
FFT - dBr
-25 -30 -35 -40 -45 -50 -55 -60
Ch 2
-65 -70 -75 -80 100
200
500
1k 2k f - Frequency - Hz
5k
10k
20k
Figure 12. Channel Separation (1-2)
4.10 Channel Separation (6-5) Channel separation is tested for subwoofer to center channel, channel 6 and channel 5. 8 Ω Load is used for channel 5, 4 Ω load is used for channel 6. Channel 6 input signal is 0dBFS, channel 5 is muted. Reference voltage is 9.3 VRMS. 10 5
Ch 6
0 -5 -10 -15 -20
FFT - dBr
-25 -30 -35 -40 -45 -50 -55 -60 Ch 5
-65 -70 -75 -80 100
200
500
1k 2k f - Frequency - Hz
5k
10k
20k
Figure 13. Channel Separation (6-5)
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4.11 Frequency Response (ch 1) Measurement bandwidth filter 80 kHz. 10 9 8 7 6 5 4
FFT - dBr
3 2 1
6W
-0 -1 -2 -3 -4
8W
-5 -6 -7 -8 -9 -10 100
200
500
1k 2k f - Frequency - Hz
5k
10k
20k
Figure 14. Frequency Response (ch 1)
4.12 Frequency Response (ch 6) Measurement bandwidth filter 80 kHz. 10 9 8 7 6 5 4 3
dBr
2
8W
1 0 -1 -2 -3
6W
-4 -5 -6 -7 -8 -9 -10 20
50
100 200 f - Frequency - Hz
500
1k
Figure 15. Frequency Response (ch 6)
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4.13 High Current Protection (ch 1) Input 1 kHz bursted signal, Load 1 Ω. 8 7 6 5
Peak Current - A
4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 0
1m t - Time - sec
500 m
1.5m
2m
Figure 16. High Current Protection (ch 1)
4.14 High Current Protection (ch 6) Input 1 kHz bursted signal, Load 1 Ω. 8 7 6 5 4
Peak Current - A
3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 0
500 m
1m
1.5m t - Time - sec
2m
2.5m
3m
Figure 17. High Current Protection (ch 6)
4.15 Pop/Click (ch 1) Start of SE channels is tested for different charge times. Charge time period is controlled by changing register x1Ah in the TAS5086. No input signal applied, Load 8 Ω. The measurement is done according to application note SLEA044. The measurement results are presented both in time domain and in frequency domain.
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TAS5176DDW6EVM Performance 20 18
5.5 sec (1Dh)
Voltage - mV
16 14 12 10
7.3 sec (1Eh) 9.6 sec (1Fh)
8 6 4 2 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 0
1
2 t - Time - ms
3
4
Figure 18. Pop/Click Time Domain (ch 1) Reference voltage 9.0 VRMS 0 -10 -20 5.5 sec (1Dh)
-30 -40
7.3 sec (1Eh)
FFT - dBV
-50 -60
9.6 sec (1Fh)
-70 -80 -90 -100 -110 -120 -130 -140 -150 20
50
100
200
500 1k 2k f - Frequency - Hz
5k
10k
20k
Figure 19. Pop/Click FFT(ch 1)
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4.16 Pop/Click (ch 6) No input signal applied. The measurement results are presented both in time domain and in frequency domain. 20 18
5.5 sec (1Dh)
16
7.3 sec (1Eh)
14
9.6 sec (1Fh)
12 10 8
Voltage - mV
6 4 2 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 0
1m
500 m
1.5m
2m 2.5m t - Time - sec
3m
3.5m
4m
Figure 20. Pop/Click Time Domain (ch 6) Reference voltage 9.0 VRMS 0 -10 -20 -30
5.5 sec (1Dh) 7.3 sec (1Eh)
-40
FFT - dBV
-50
9.6 sec (1Fh)
-60 -70 -80 -90 -100 -110 -120 -130 -140 -150 20
50
100
200
500 1k 2k f - Frequency - Hz
5k
10k
20k
Figure 21. Pop/Click FFT(ch 6)
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4.17 Output Stage Efficiency Efficiency is tested with two front channels loaded 8 Ω and 1 subwoofer loaded 4 Ω. The board is preheated for 1 hour at 1/8 output power for all channels. 100 95 90 85 80 75
Efficiency - %
70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 0
5
10
15
20
25
30
35
40
2 CH Output Power - W
Figure 22. Output Stage Efficiency
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Related Documentation from Texas Instruments Table 10 contains a list of data manuals that have detailed descriptions of the integrated circuits used in the design of the TAS5176DDW6EVM. The data manuals can be obtained at the URL: http://www.ti.com. Table 10. Related Documentation From Texas Instruments
6
Part Number
Literature Number
TAS5086
SLES131
TAS5176
SLES196
TPS5430
SLVS632
TPS3801K33
SLVS219
UA78M12
SLVS059
TLV2217-33
SLVS067
Additional Documentation 1. 2. 3. 4. 5. 6. 7. 8. 9.
PC Configuration Tool for TAS5086 (TAS5086 GUI ver. 4.0 or later) System Design Considerations for True Digital Audio Power Amplifiers (SLAA117) Digital Audio Measurements (SLAA114) PSRR for PurePath Digital Audio Amplifiers (SLEA049) Power Rating in Audio Amplifier (SLEA047) PurePath Digital AM Interference Avoidance (SLEA040) Click and Pop Measurements Technique (SLEA044) Power Supply Recommendations for DVD-Receivers (SLEA027) Implementation of Power Supply Volume Control (SLEA038)
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Appendix A
Appendix A Design Documents The TAS5176DDW6EVM bill of materials, PCB specification, schematic, and PCB layers are included in this appendix. Table A-1. Bill of Materials Qty
22
Ref
Description
Manufacture
First Mfr P/N
6
R150 R151 R152 R153 R154 R155
2.70k / 250mW / 1% / 1206 Thick Film Resistor
Yageo
RC1206FR-072K7L
2
R115 R116
10.0k / 125mW / 1% / 0805 Thick Film Resistor
BC Components
RC0805FR-0710KL
15
R160 R163 R166 R169 R900
1.00R / 125mW / 1% / 0805 Thick Film Resistor
BC Components
RC0805FR-071RL
R161 R162 R164 R165 R167 R168 R170 R171 R940 R952
4
R50 R53 R57 R58
1.0k / 100mW / 5% / 0603 Thick Film Resistor
BC Components
DCT 0603 5% 1k00
19
R40 R42 R44 R45 R46 R47 R67 R68 R69 R70 R71 R72 R73 R80 R81 R82 R83 R113 R941
10k / 100mW / 5% / 0603 Thick Film Resistor
BC Components
DCT 0603 5% 10k0
7
R114 R156 R157 R158 R159 R172
100k / 100mW / 5% / 0603 Thick Film Resistor
BC Components
DCT 0603 5% 100k
1
R18
18.0k / 100mW / 1% / 0603 Thick Film Resistor
BC Components
DCT 0603 1% 18k0
4
R10 R11 R55 R56
200R / 100mW / 5% / 0603 Thick Film Resistor
BC Components
DCT 0603 5% 200R
1
R103
27k / 100mW / 5% / 0603 Thick Film Resistor
BC Components
DCT 0603 5% 27k
1
R942
3.3k / 100mW / 5% / 0603 Thick Film Resistor
BC Components
DCT 0603 5% 3k30
7
R60 R61 R62 R63 R64 R65 R66
47R / 100mW / 5% / 0603 Thick Film Resistor
BC Components
DCT 0603 5% 47R0
1
R117
15R / 500mW / 5% / SFR16 Metal Film Resistor
BC Components
SFR16S-15R-5
5
R120 R121 R123 R124 R125
1.8k / 500mW / 5% / SFR16 Metal Film Resistor
BC Components
SFR16S-1k80-5
1
R122
470R / 500mW / 5% / SFR16 Metal Film Resistor BC Components
SFR16S-470R-5
34
C103 C112 C115 C162 C165 C168 C171 C174 C177 C180
C110 C111 C113 C114 C160 C161 C163 C164 C166 C167 C169 C170 C172 C173 C175 C176 C178 C179 C181 C182
Ceramic 10nF / 50V / 20% X7R 0805 Capacitor
BC Components
0805B103M500NT
12
C104 C107 C900 C915
C105 C106 C108 C109 C908 C909 C940 C954
Ceramic 100nF / 50V / 20% X7R 0805 Capacitor BC Components
0805B104M500NT
2
C100 C102
Ceramic 1μF / 16V / 20% X7R 0805 Capacitor
BC Components
0805B105M160NT
6
C10 C13 C80 C81 C925 C926
Ceramic 10nF / 50V / 20% X7R 0603 Capacitor
BC Components
0603B103M500NT
12
C11 C12 C14 C17 C21 C22 C25 C26 C101 C910 C922 C923
Ceramic 100nF / 16V / 20% X7R 0603 Capacitor BC Components
0603B104M160NT
4
C184 C911 C921 C924
Electrolytic 10μF / 16V / 20% Aluminium 1.5mm θ4mm Ultra-Mini Series Capacitor
UMR16V106M4X5
Design Documents
Sang Jing Electronics
SLOU209A – September 2007 – Revised October 2007 Submit Documentation Feedback
www.ti.com
Appendix A
Table A-1. Bill of Materials (continued) Qty
Ref
Description
Manufacture
First Mfr P/N
3
C907 C912 C913
Electrolytic 150μF / 35V / 20% Aluminium 3.5mm Panasonic θ8mm FC Series - Low Impedance Capacitor
EEUFC1V151
10
C120 C121 C122 C123 C126 C127 C128 C129 C130 C131
Electrolytic 220μF / 25V / 20% Aluminium 3.5mm Panasonic θ8mm FC Series - Low Impedance Capacitor
EEUFC1E221
2
C124 C125
Electrolytic 2200μF / 25V / 20% Aluminium 7.5mm θ18mm FC Series - Low Impedance Capacitor
Panasonic
EEUFC1E222S
1
C142
Metal Film 1μF / 63V / 10% Polyester 5mm (W:5.0mm L:7.2mm) Capacitor
Wima
MKS 2 1μF/10%/63Vdc PCM5
5
C140 C141 C143 C144 C145
Metal Film 470nF / 63V / 10% Polyester 5mm (W:4.5mm L:7.2mm) Capacitor
Wima
MKS 2 0.47μF/10%/63Vdc
1
L900
6.8μH / 1.5 20% 50mΩ Ferrite Inductor
Epcos
B82462-G4682-M
1
L142
10μH / Ferrite Inductor
Kwang Sung
8020P-02-100L
5
L140 L141 L143 L144 L145
20μH / Ferrite Inductor
Kwang Sung
8020P-01-200L
1
D901
1A / 40V Schottky 10MQ040N Diode (SMA)
Int. Rectifier
10MQ040N
1
Q81
600mA / 40V NPN Small signal PMBT2222 Transistor (SOT- 23)
Philips
PMBT2222
4
Q80 Q82 Q102 Q103
800mA / 40V PNP Small signal MMBT2907A Transistor (SOT-23)
Fairchild
MMBT2907A
1
U10
TAS5086DBT / 6 ch PWM processor (SE, VOL, 192kHz, I2S out) (TSSOP38)
Texas Instruments
TAS5086DBT
1
U100
TAS5176DDW / 6 ch (SE) or 3 ch (BTL) Digital Audio PWM Power Output Stage (DDW44)
Texas Instruments
TAS5176DDW
1
U908
TPS3801K33 / 3.3V Supply Voltage Supervisor (SOT323-5)
Texas Instruments
TPS3801K33DCK
1
U903
UA78L12A / 12V, 100mA Fixed Positive Voltage Regulator (SOT89)
Texas Instruments
UA78L12ACPK
1
U902
TPS73033 / Low-Noise, High PSRR, 200-mA Low-Dropout (SOT23-5)
Texas Instruments
TPS73033DBVR
1
U901
TPS5430 / 5V/3A Buck Converter (HSOP8-DDA) Texas Instruments
TPS5430DDA
4
SCREW620 SCREW621 SCREW622 SCREW623
M3x6 Pan Head, Pozidriv, A2 Screw
Bossard
BN 81882 M3x6
4
WASHER620 WASHER621 WASHER622 WASHER623
M3 Stainless Steel Washer
Bossard
BN 670 M3
4
STANDOFF620 STANDOFF621 STANDOFF622 STANDOFF623
M3x10 Aluminium Stand-off
Ettinger
05.03.108
6
J101 J102 J103 J104 J105 J106
2 pins / 1 row / 3.96mm Pitch Vertical Male Pin header Header
JST
B2P-VH
1
J901
4 pins / 1 row / 3.96mm Pitch Vertical Male Pin header Header
JST
B4P-VH
1
J60
16 pins / 2 rows / 2.54mm Pitch Vertical Male IDC 16 pins IDC Box header
Molex
87256-1611
1
J40
34 pins / 2 rows / 2.54mm Pitch Vertical Male IDC 34 pins IDC Box header
Molex
87256-3411
6
MH600 MH601 MH602 MH603 MH604 MH605
Mounting Hole 3mm Mounting Hole
n/a
n/a
SLOU209A – September 2007 – Revised October 2007 Submit Documentation Feedback
Design Documents
23
www.ti.com
Appendix A
Table A-1. Bill of Materials (continued) Qty 1
Ref PCB610
Description
Manufacture
A819-PCB-001_2.00 / TAS5176DDW6EVM Printed Circuit Board (ver. 2.00)
Printline
First Mfr P/N A819-PCB-001(2.00)
Table A-2. PCB Specification
24
Board identification
A819-PCB-001(2.00)
Board type:
Double-sided plated-through board
Laminate type
FR4
Laminate thickness
1.6mm
Copper thickness
70μm (incl. plating exterior layer)
Copper plating of holes
>25μm
Minimum hole diameter
0.3 mm
Silkscreen component side
White - remove silkscreen from solder area and pre-tinned areas
Silkscreen solder side
None
Solder mask component side
Green
Solder mask solder side
Green
Protective coating
Solder coating and chemical silver on free copper
Electrical test
PCB Must be electrical tested
Manufactured to
PERFAG 2E (www.perfag.dk)
Aperture table
PERFAG 10A (www.perfag.dk)
Board size
88 x 147.5 mm
Comments
See drill information file (5210pcb.pdf)
Design Documents
SLOU209A – September 2007 – Revised October 2007 Submit Documentation Feedback
5
4
3
2
1
2
2
D
1
2
SVDD
2
1
CHANNEL 1-6 C26 100nF
VR_ANA
PWM_1
38
PWM_F
2
AVDD
PWM_2
37
PWM_E
PWM_3
36
3 GND
SCL
AVSS
4
AVSS
PWM_4
35
PWM_C
5
PLL_FLTM
PWM_5
34
PWM_B
6
PLL_FLTP
PWM_6
33
PWM_A
7
AVSS
VALID2
32
/VALID2
/SD
MCLK
8
MCLK
VALID1
31
/VALID1
2
/TW
/RESET_MODULATOR
9
VR_DIG
30
1.0k
RESET
10
PDN
DVSS
11
DVDD
DVSS
28
12
DVSS
BKND_ERR
27
1
C21 100nF
R18 18.0k
C22 100nF
2
GND
I2C & Control Input
Not Used 2
13
DVSS_OSC
SDIN1
26
SDIN1
14
OSC_RES
SDIN2
25
SDIN2
15
VR_OSC
SDIN3
24
SDIN3
I2S Audio Input
/MUTE
16
MUTE
SDIN4
23
SDA
17
SDA
SDOUT
22
SCL
18
SCL
RESERVED
21
LRCLK
19
SCLK
20
LRCLK
47R 2
MCLK
R61 1
47R 2
SDIN1
R62 1
47R 2
SDIN2
R63 1
47R 2
SDIN3
R64 1
47R 2
SDIN4
R65 1
47R 2
SCLK
R66 1
47R 2
LRCLK
OUT_D
1
GND_D
2
OUT_C
1
GND_C
2
/TW
OUT_B
1
GND_B
2
OUT_A
1
GND
2
SCLK
/SD
GND_A
2
EN
3
SVDD
GND
GND
2
RESET
3
2 1 2
2
1 R941 10k 0603
/RESET_MODULATOR
R942 3.3k 0603
C908 100nF 0805
B
C912 150uF 35V
U901 C913 D901 150uF10MQ040N 35V SMA
GND GND
8
PH
BOOT
1
7
VIN
NC
2
6
GND
NC
3
5
ENA
VSENSE
4
9
VDD
1
2
2
4
GND
10nF C926 0603 1
1
2
2
1 GND
MR
C915 100nF 0805
1
C922 100nF 0603
C921 10uF 16V
U908
R67 R68 R69 R70 R71 R72 R73 C60 10k 10k 10k 10k 10k 10k 10k Not Used
L900 6.8uH
2
2
GND
GND
5
CH 1 SPEAKER OUTPUT FRONT LEFT
GND
GND
GND
TPS5430
1
GND
C925 10nF 0603
CH 2 SPEAKER OUTPUT FRONT RIGHT
6ch SE Power Stage
+5V
1 C924 10uF 16V
2
1
NR
C
J101
/RESET
+5V
1
CH 6 SPEAKER OUTPUT LFE SUBWOOFER
+5V DC/DC Converter for Input Board
U902
IN
CH 5 SPEAKER OUTPUT CENTER
J102
/TW
1
1
4
2
C923 100nF 0603
GND
OUT
CH 3 SPEAKER OUTPUT REAR LEFT
1
TPS73033
5
2
2
2
2
2
2
2
2
+3.3V
/RESET
2
GND_E
Output Stage (SE)
+3.3V Regulator & Reset Generator
1
1
1
1
1
1
1
1
16 pins IDC Box header
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
2
J60
1
/RESET
GND Not Used 2
OUT_E
CH 4 SPEAKER OUTPUT REAR RIGHT
J105
SDIN4
6ch PCM to PWM Modulator
R60 1
2
/SD
TAS5086DBT R74 1
GND_F
J106 R23 1
2
1
1
J103
29
1
+3.3V
+5V
J104
OUT_F PWM_D
1.0k 2
GND
SVDD
2
1
1
1
1 1 2
GND
U10
C17 100nF
2
C12 100nF
2
GND
200R
1 R58
+3.3V
PowerPAD
R57 1
C13 10nF
SDA
2
R56
R11 200R
C11 100nF
+3.3V
2
/MUTE
200R 2
1
2
/RESET
R10 200R
1 2
2
C10 10nF
1
1 R55 1
2
2
2
1
2
R53 1.0k 2
2
R50 1.0k 1
2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
C25 100nF
C14 100nF
1
1
1
+3.3V
2
34 pins IDC Box header
C
1
J40 D
1
1
R40 R42 R44 R45 R46 R47 10k 10k 10k 10k 10k 10k
1
1
TAS5176DDW6EVM
TPS3801K33
GND
GND GND
GND
A
A
Parts List 2.00 /
TI
HPL AUDIO ALL RIGHTS RESERVED - PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED
Project: TAS5176DDW6EVM
Rev: 2.00
Page Title: Interface & Modulator
Size: A3
File Name: A819-PCB-001_2.00
Engineer: Kim N Madsen
Date: Tuesday, February 20, 2007 5
4
3
2
Page: 2 of 4 1
5
4
3
1
POWER OUTPUT STAGE (SE)
Supply Input & EMI filter
J901
2
PVDD
1
2
PGND_C
33
1
2
13
VREG
14
OC_ADJ
OUT_C
32
PVDD_C
31
/SD
15
SD
BST_C
30
/TW
16
OTW
BST_B
29 28
OUT_B
27
PWM_A
19
PWM_A
PGND_AB
26
20
GVDD_ABC
OUT_A
25
21
BST_BIAS
22
OUT_BIAS
1
PVDD_A
24
BST_A
23
1
C105 0805 100nF 50V
2
C125 2200uF 25V C110 0805 10nF 50V 1 2
1
C124 2200uF 25V
C104 0805 100nF 50V
2
R152 2.70k 1206
1
Split_Cap
2
C164 10nF 50V 0805
2 R158 100k 0603
1 R122 470R SFR16
1 2
1 1 1
1 2 2
1 C177 10nF 50V 0805
C165 10nF 50V 0805
R121 1.8k SFR16
1
R120 1.8k SFR16
GND
1 1
1 2 2 1
C173 10nF 50V 0805
R161 1.00R 0805 C161 10nF 50V 0805
GND
1
C900 100nF 0805 50V
Q82 MMBT2907A
1
100k 0603
R900 1.00R 0805
/VALID2
C901 10nF 0805 50V
LAYOUT NOTE: PLACE AFTER SPLIT CAPS
LAYOUT NOTE: PLACE AFTER FILTER CAPS
LAYOUT NOTE: PLACE NEAR SPEAKER PINS
GND A
2
2
R83 10k
2
GND
3
1
1
10k C81 10nF
MMBT2907A
3 1 2
2
3
3
3
1
2
1
R114
R82
1
Q102
1
1
Q103 MMBT2907A
1 2
1 /SD
2
2
Q80 MMBT2907A
2
2
2
C80 10nF
C172 10nF 50V 0805
1 2
C160 10nF 50V 0805
2
1
1 R156 100k 0603
1
2
Split_Cap
2
1
C120 220uF 25V
1 2
1
1
1
2
2
GND_A R160 1.00R 0805
1
R113 10k 0603 2
2
1
Split_Cap
R150 2.70k 1206
2
R80 10k
2
C140 470nF 63V
2
1
C184 10uF 16V
B
OUT_A
L140 20uH Kwang Sung 8020P-01-200L
2
1 /RESET
C163 10nF 50V 0805
2
2
1
C121 220uF 25V
C175 10nF 50V 0805
R163 1.00R 0805
GND
GND
1
Split Cap Charge
C174 10nF 50V 0805
2
1 2
2
C162 10nF 50V 0805
2 R157 100k 0603
1
2
1
R116 10.0k 0805
1
Split_Cap
2 2
2
C122 220uF 25V
1 2
1
1
GND_B R162 1.00R 0805
2
R151 2.70k 1206
2
1
C141 470nF 63V
1
R115 10.0k 0805
OUT_B
L141 20uH Kwang Sung 8020P-01-200L
2
C123 220uF 25V
2
GND
1
C176 10nF 50V 0805
R165 1.00R 0805
GND
2 15R SFR16
2
2
GND_C R164 1.00R 0805
GND
2 1
R117
1
2
2
1 1
1 1 2
2
OUT_C C142 1uF 63V
GND
B
A
C
C167 10nF 50V 0805
2
L142 10uH Kwang Sung 8020P-02-100L
PVDD
Q81 PMBT2222
C179 10nF 50V 0805
GND
1
R81 10k
2
1 2
2
1
1 2 1
1 2
2 GND
C178 10nF 50V 0805
2
GND GND
1 R123 1.8k SFR16
C111 0805 10nF 50V
45
TAS5176DDW
2
2
C103 10nF 0805
1
2
2
PVDD_B
PWM_B POWER-PAD
PWM_C
18
1
17
PWM_B
C166 10nF 50V 0805
2 R159 100k 0603
1
PWM_C
C102 1uF 0805
C112 0805 10nF 50V 1 2
1
Split_Cap
C126 220uF 25V
1
1 GND
GND
C107 0805 100nF 50V C106 0805 100nF 50V
1
1
AGND
R167 1.00R 0805
1
34
12
R103 27k 0603
1
35
PGND_D
1
OUT_D
GND
GND_D R166 1.00R 0805
1 2
M1
11
C127 220uF 25V
2
10
C113 0805 10nF 50V
R153 2.70k 1206
2
36
C143 470nF 63V
1
PVDD_D
OUT_D
L143 20uH Kwang Sung 8020P-01-200L
1
M2
2
1 2
9
1
2
37
2
BST_D
1
M3
2
2
8
C169 10nF 50V 0805
1
/VALID1
1
2
38
1
39
BST_E
2
PVDD_E
RESET
1
PWM_D
7
2
6
R169 1.00R 0805
GND
C114 0805 10nF 50V 1 2
PWM_D
C101 100nF 0603
R124 1.8k SFR16
GND
/VALID2
2
C108 0805 100nF 50V
2
1 2
1
C181 10nF 50V 0805
1
40
C180 10nF 50V 0805
2
41
OUT_E
C168 10nF 50V 0805
2 R172 100k 0603
1
2
PGND_EF
PWM_E
2
1 2
VDD
5
GND
1
Split_Cap
C128 220uF 25V
1
4 PWM_E
2
C115 0805 10nF 50V
2
42
2
1 OUT_F
1
1
2
2
2
43
GND_E R168 1.00R 0805
1
GVDD_DEF
44
2
3
BST_F PVDD_F
R154 2.70k 1206
2
PWM_F
OUT_E C144 470nF 63V
1
PGND_EF
2
D
C171 10nF 50V 0805
2
L144 20uH Kwang Sung 8020P-01-200L
2
1
1 GND
C129 220uF 25V
C109 0805 100nF 50V
R171 1.00R 0805
GND
2
1
1
1
R125 1.8k SFR16
C183 10nF 50V 0805
2
GND
2 R173 100k 0603
1
C182 10nF 50V 0805
2
GND
PWM_F
C
C170 10nF 50V 0805
GND
U100 C100 1uF 0805
GND_F R170 1.00R 0805
2
1
1
2
2
1 GND
1
Split_Cap
C130 220uF 25V
C907 150uF 35V
2
GND
C909 100nF 0805
2
GND
C910 100nF 0603 UA78L12A
+12V Lin. Reg.
3
IN
GND
1 2
1 2
C911 10uF 16V
OUT
R155 2.70k 1206
1
U903
1
C145 470nF 63V
2
GND GND
OUT_F
L145 20uH Kwang Sung 8020P-01-200L
1 C131 220uF 25V
DESIGN NOTE: EMI/ESD SNUBBERS
2
1
GND
SVDD
1
R952 1.00R 0805
DESIGN NOTE: FILTER DISCHARGE
DESIGN NOTE: DEMODULATION FILTER
1
D
GND
DESIGN NOTE: SPLIT CAPS
C954 100nF 0805 50V
2
GND
C955 10nF 0805 50V
2
Header
2
C941 10nF 0805 50V
4
2
R940 1.00R 0805
3
2
1 2
C940 100nF 0805 50V
2
1
1
2
1 2
1
1
LAYOUT NOTE: PLACE AFTER HEATSINK
GND
Split Cap short protection
ERROR Latch
Parts List 2.00
TI Project: TAS5176DDW6EVM Page Title: 6ch SE Output Stage File Name: A819-SCH-001_2.00 Date: Friday, March 30, 2007 5
4
3
2
1
HPL AUDIO ALL RIGHTS RESERVED - PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED
Rev: 2.00 Size: A2 Engineer: ENGINEER Page: 3 of 4
5
4
3
2
1
MECHANICS D
SCREW620
SCREW621
SCREW622
SCREW623
M3x6
M3x6
M3x6
M3x6
WASHER620
WASHER621
WASHER622
WASHER623
M3
M3
M3
M3
STANDOFF620
STANDOFF621
STANDOFF622
STANDOFF623
M3x10
M3x10
M3x10
M3x10
D
C
B
C
MH600 1
MH602 1
MH604 1
MH601 1
MH603 1
MH605 1
GND
GND
B
PCB610
PCB
GND A819-PCB-001_2.00
Parts List 2.00
TI
A
HPL AUDIO
Project: TAS5176DDW6EVM
Rev: 2.00
Page Title: Mechanics
Size: A4
File Name: A819-SCH-001_2.00
Engineer: Kim N Madsen
Date: Friday, March 30, 2007 5
4
3
A
ALL RIGHTS RESERVED - PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED
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EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards. This evaluation board/kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives. Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic discharge. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES. TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or services described herein. Please read the User’s Guide and, specifically, the Warnings and Restrictions notice in the User’s Guide prior to handling the product. This notice contains important safety information about temperatures and voltages. For additional information on TI’s environmental and/or safety programs, please contact the TI application engineer or visit www.ti.com/esh. No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or combination in which such TI products or services might be or are used.
FCC Warning This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright 2007, Texas Instruments Incorporated
EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 15 V to 28 V. Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions concerning the input range, please contact a TI field representative prior to connecting the input power. Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the EVM. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During normal operation, some circuit components may have case temperatures greater than 85°C. The EVM is designed to operate properly with certain components above 85°C as long as the input and output ranges are maintained. These components include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of devices can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright 2007, Texas Instruments Incorporated
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI. Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additional restrictions. Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety-critical applications. TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions: Products
Applications
Amplifiers
amplifier.ti.com
Audio
www.ti.com/audio
Data Converters
dataconverter.ti.com
Automotive
www.ti.com/automotive
DSP
dsp.ti.com
Broadband
www.ti.com/broadband
Interface
interface.ti.com
Digital Control
www.ti.com/digitalcontrol
Logic
logic.ti.com
Military
www.ti.com/military
Power Mgmt
power.ti.com
Optical Networking
www.ti.com/opticalnetwork
Microcontrollers
microcontroller.ti.com
Security
www.ti.com/security
RFID
www.ti-rfid.com
Telephony
www.ti.com/telephony
Low Power Wireless
www.ti.com/lpw
Video & Imaging
www.ti.com/video
Wireless
www.ti.com/wireless
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2007, Texas Instruments Incorporated
