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Hardware Overview

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2

SLOU464A – March 2017 – Revised October 2017

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Copyright © 2017, Texas Instruments Incorporated

TAS6422-Q1 Evaluation Module

1

Hardware Overview

1.1

TAS6422 Evaluation Module Description

The TAS6422-Q1 EVM is a stand-alone EVM. It has single power supply input, USB control via PurePath
Control Console 3 (PPC3) and two digital (I2S) audio input options. See the EVM block diagram in

Figure 1

.

Figure 1. TAS6422-Q1 EVM

Summary of Contents for TAS6422-Q1

Page 1: ...accessories 1 TAS6422 EVM 2 USB A male to micro B male cable 3 Power Supply Unit PSU up to 26 4 V 6 A capable if J12 is removed and 12 V is provided If J12 is in limit the input voltage to 18 V 4 1 4...

Page 2: ...nts Incorporated TAS6422 Q1 Evaluation Module 1 Hardware Overview 1 1 TAS6422 Evaluation Module Description The TAS6422 Q1 EVM is a stand alone EVM It has single power supply input USB control via Pur...

Page 3: ...ia Player can be used to stream audio 2 If optical is selected an optical source such as DVD player can be used to stream audio 3 If external digital audio source such as Programmable Serial Interface...

Page 4: ...tware Overview 3 1 PurePath Console 3 PPC3 Access and Description The PPC3 is a server based tool Access can be requested on http www ti com tool PUREPATHCONSOLE Once approval is given go to www ti co...

Page 5: ...422 Q1 Evaluation Module Run the installation program Also download the PPC3 User Manual SLOU408 for further instructions The following window is displayed when first running PPC3 Figure 4 PPC3 Window...

Page 6: ...7 Texas Instruments Incorporated TAS6422 Q1 Evaluation Module Click on TAS6422 App box to download TAS6422 application Installation window will pop up then click Install TAS6422 EVM box will appear in...

Page 7: ...nsole 3 TAS6422 EVM Home Window When the TAS6422 EVM PPC3 is launched the Home Window is shown If the EVM is powered on and the USB is connected to the PC the Home Window will display Connect box in t...

Page 8: ...7 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TAS6422 Q1 Evaluation Module There are three windows available with the TAS6422 EVM PPC3 Home Window Register Map Window a...

Page 9: ...xas Instruments Incorporated TAS6422 Q1 Evaluation Module 3 3 PurePath Console 3 TAS6422 EVM Register Map Window When click on Register Map Box on the Home Window the Register Map Window is displayed...

Page 10: ...ated TAS6422 Q1 Evaluation Module 3 4 PurePath Console 3 TAS6422 EVM Monitor and Control Window When click on Device Monitor and Control Box on the Home Window the Device Monitor and Control Window is...

Page 11: ...sistive loads to TAS6422 EVM Connect USB micro cable from PC to the EVM Set the switches SPDIF STANDBY MUTE to up positions Turn on the PSU Audio source This can be a DVD player with optical SPDIF cab...

Page 12: ...x The following window is displayed Figure 11 Device Monitor and Control Window This window has 6 major sections global control section channel control section other control section faults and warning...

Page 13: ...t has two levels The lower level is 1 The default is level 2 When running at lower output current OC level can be set to 1 I2S and TDM are automatically detected Use the pull down menu from Input Form...

Page 14: ...ion The top right buttons on this box serve as controlling and monitoring faults Clip enable route the clip detection bit to the warning pin This is displayed as yellow LED on the EVM Thermal enable r...

Page 15: ...rom the USB audio turn the audio media volume and PC sound card volume to maximum Click on the flip icon located on the top right of the AC load diagnostics box to see the results Figure 16 AC Load Di...

Page 16: ...017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TAS6422 Q1 Evaluation Module 3 5 3 TAS6422 Settings on Register Map Window The register map can be sorted either alphabe...

Page 17: ...orated TAS6422 Q1 Evaluation Module When a register is selected the hex value along with the individual bit value is displayed The name and description for each bit are shown to the right in the Field...

Page 18: ...indow The PPC3 has an I2C monitor and also configuration program options When this window is first open the round button is green To record I2C commands click on this button and it will turn red The r...

Page 19: ...n Module A set of I2C commands can be loaded and executed from this window On the top right corner click on I O button to display the above window Write I2C commands here or open an existing cfg file...

Page 20: ...com 20 SLOU464A March 2017 Revised October 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TAS6422 Q1 Evaluation Module 4 Board Layouts Bill of Materials and Schemati...

Page 21: ...Layouts Bill of Materials and Schematic 21 SLOU464A March 2017 Revised October 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TAS6422 Q1 Evaluation Module Figure 23 T...

Page 22: ...4 99k R36 GND 10pF C20 10pF C24 10pF C25 10pF C26 10pF C27 GND GND GND GND GND 18pF C23 681 R32 4700pF C31 0 068 F C36 GND GND 4 99k R38 DNP DNP 4 99k R35 DNP DNP 4 99k R37 100 R29 Blue D2 SPDIF LOCK...

Page 23: ...F 50V C40 Red D5 FAULT 4 7 H L1 10 F 50V C71 10 F 50V C47 10 F 50V C38 GND GND GND GND OUT2P OUT2M OUT1P OUT1M OUT2P OUT1P OUT1M OUT2 OUT1 OUT2 GND GND GND GND OUT1 1 2 3 4 J4 3 3 H L3 3 3 H L4 3 3 H...

Page 24: ...P CERM 0 068 F 50 V 10 X7R 0402 0402 C1005X7R1H683K050BB TDK C38 C47 C71 3 10uF CAP CERM 10 F 50 V 10 X5R 1206 1206 GRM31CR61H106KA12L Murata C40 1 4 7uF CAP CERM 4 7 F 50 V 10 X7R 1210 1210 GRM32ER71...

Page 25: ...le R2 1 0 RES 0 5 0 1 W 0603 0603 CRCW06030000Z0EA Vishay Dale R3 R4 R13 R15 R28 R30 R36 R37 R46 R47 10 4 99k RES 4 99k ohm 1 0 063W 0402 0402 CRCW04024K99FKED Vishay Dale R6 1 15 0k RES 15 0k ohm 1 0...

Page 26: ...nel Automotive Class D Audio Amplifier With Load Dump Protection and I2C Diagnostic DKQ0056A SSOP 56 DKQ0056A TAS6422QDKQRQ1 Texas Instruments TAS6422QDKQQ1 U11 1 5 5 V 4 A 16 mOhm On Resistance Load...

Page 27: ...ments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Original Marhc 2017 to A Revision Page Ch...

Page 28: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Page 29: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Page 30: ...t the EVM user 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 even with the...

Page 31: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Page 32: ...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 33: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TAS6422Q1EVM...

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