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The block diagram shows the TAS6422E EVM signal flow.

PVDD

4.5 Vdc to 26.4 Vdc

VBAT

4.5 Vdc to 18 Vdc

3.3 Vdc LDO

Audio Input

SPDIF

Optical

DIR9001

XMOS

I2C and USB Audio

Mu
x

order

LC Filters

TAS6422E-Q1

Micro

USB

SPDIF Power Switch

3.3 Vdc

Standby Switch

Mute Switch

I2S input

Connectors

Speaker

Outputs

Input Power

Connector

Jumper

XMOS Enable Switch

Mute

/STBY

I2C

I2S

Fault

PVDD

VBAT

Figure 2-2. EVM Block Diagram

www.ti.com

Hardware Overview

SLOU541A – OCTOBER 2020 – REVISED FEBRUARY 2021

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TAS6422E-Q1 EVM

Содержание TAS6422E-Q1

Страница 1: ...pped both ends 5 2 mm slotted screwdriver 6 Optical audio source optional 7 Optical SPDIF cable optional 8 Desktop or laptop PC with Microsoft Windows 7 operating system Table of Contents 1 Trademarks 1 2 Hardware Overview 2 3 Software Overview 4 4 Board Layouts Bill of Materials and Schematic 20 5 Revision History 29 List of Tables Table 4 1 TAS6422EQ1EVM Bill of Materials 26 1 Trademarks PurePat...

Страница 2: ...pply input USB control via PurePath Control Console 3 PPC3 and two digital I2S audio input options See the EVM block diagram in Figure 2 1 Figure 2 1 TAS6422E Q1 EVM Hardware Overview www ti com 2 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 3: ...ers TAS6422E Q1 Micro USB SPDIF Power Switch 3 3 Vdc Standby Switch Mute Switch I2S input Connectors Speaker Outputs Input Power Connector Jumper XMOS Enable Switch Mute STBY I2C I2S I2S Fault PVDD VBAT Figure 2 2 EVM Block Diagram www ti com Hardware Overview SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback TAS6422E Q1 EVM 3 Copyright 2021 Texas Instruments Incorporated ...

Страница 4: ...proval is given go to www ti com mysecuresoftware to download the software After login the user will see this web page with a similar list of software products available for download Figure 3 1 PPC3 Download Window Software Overview www ti com 4 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 5: ...ing PPC3 Figure 3 2 PPC3 Window When the window in Figure 3 2 is displayed click on sign in to see TAS6422E EVM application All of the apps shown below may not be displayed for the user www ti com Software Overview SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback TAS6422E Q1 EVM 5 Copyright 2021 Texas Instruments Incorporated ...

Страница 6: ...AS6422E EVM box will appear in Installed EVM Apps section see Figure 3 3 Click on TAS6422E box to launch TAS6422E App Figure 3 3 Available Apps Window Software Overview www ti com 6 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 7: ...to the PC the Home Window will display Connect box in the bottom right hand corner If the EVM is not powered on or the USB is not connected only TAS6422E EVM Offline is displayed Figure 3 4 PPC3 Window www ti com Software Overview SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback TAS6422E Q1 EVM 7 Copyright 2021 Texas Instruments Incorporated ...

Страница 8: ...me Window Register Map Window and Device Monitor and Control Window Figure 3 5 TAS6422E EVM Home Window Software Overview www ti com 8 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 9: ...ister Map Window is displayed The Register Map indicates the current setting of all the registers in TAS6422E Figure 3 6 TAS6422E EVM Register Map Window www ti com Software Overview SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback TAS6422E Q1 EVM 9 Copyright 2021 Texas Instruments Incorporated ...

Страница 10: ...ntrol Box on the Home Window the Device Monitor and Control Window is displayed Figure 3 7 TAS6422E EVM Device Monitor and Control Window Software Overview www ti com 10 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 11: ...D player with optical SPDIF cable or Windows Media Player from PC At this point 3 3 V LED USB LOCK LED and SPDIF LOCK LED if optical SPDIF is used are on If the SPDIF LED is not on the default I2S input is the USB audio source On the PPC3 window launch TAS6422E EVM application The audio can be streamed now to the speakers Go to the GUI and click on Device Monitor Control box Click on play button l...

Страница 12: ...us Control Section Faults and Warnings Section AC Load Diagnostics Section and DC Load Diagnostics Section 3 5 2 1 Global Control Section The Hi Z Mute and Unmute buttons with the gray background controls all 2 channels at the same time When Hi Z is selected all 2 channels are put in Hi Z The display for each channel in the channel control section will reflect these buttons selections The Mute Pin...

Страница 13: ...sampling frequency is greater than 48 kHz select 96 kHz from the Input FS pull down Over temperature warning can be programmable use the pull down menu to choose the OTW temperature The default setting is 120 C The output switching frequency FSW or Pulse Width Modulation frequency PWM is set at 2 1 MHz The pull down menu on the PWM FRQ box is used to choose a different FSW LC value should be adjus...

Страница 14: ...ow LED on the EVM Thermal enable route the over temperature warning bit to the warning pin This is display as the same yellow LED on the EVM Clear button clears all the faults and warnings Read button manually read the faults and warnings Figure 3 13 Faults and Warnings Section Software Overview www ti com 14 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copy...

Страница 15: ...results Figure 3 14 AC Load Diagnostics Section 3 5 2 6 DC Load Diagnostics Section The DC load diagnostics report if a channel is short to power short to ground short to load or open Select the impedance of the load from 0 5 to 5 Ω Click start and then click the flip on the top right of the box to view results If a channel is selected as a line out click on LO ENA LD to enable line out load diagn...

Страница 16: ...p can be sorted either alphabetically or numerically register number Figure 3 16 Register Map Window Software Overview www ti com 16 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 17: ...own to the right in the Fields box Figure 3 17 Register Map Window Expanding Double click on any bit the bit will change state This state is executed at the end of the click www ti com Software Overview SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback TAS6422E Q1 EVM 17 Copyright 2021 Texas Instruments Incorporated ...

Страница 18: ...on and it will turn red The recording can be saved for later used by clicking the save icon The I2C commands can also be copied to clip board by clicking the icon next to trash bin icon Figure 3 18 I2C Window I2C Logging Software Overview www ti com 18 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 19: ... or open an existing cfg file then click Execute button on the bottom left corner The I2C commands are sent to the device when the Execute button is pressed Figure 3 19 I2C Window Sending I2C Commands www ti com Software Overview SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback TAS6422E Q1 EVM 19 Copyright 2021 Texas Instruments Incorporated ...

Страница 20: ...ic 4 1 TAS6422E EVM Layouts Figure 4 1 TAS6422E EVM Top Board Layouts Bill of Materials and Schematic www ti com 20 TAS6422E Q1 EVM SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 21: ... TAS6422E EVM Bottom www ti com Board Layouts Bill of Materials and Schematic SLOU541A OCTOBER 2020 REVISED FEBRUARY 2021 Submit Document Feedback TAS6422E Q1 EVM 21 Copyright 2021 Texas Instruments Incorporated ...

Страница 22: ...1D33 119 X1D39 21 X1D16 22 X1D17 23 X1D10 121 X1D11 122 U2B XEF216 512 TQ128 C20 USB_ID 43 USB_VBUS 45 USB_DP 46 USB_DM 47 USB_RTUNE 48 U2C XEF216 512 TQ128 C20 TRST 123 RST 124 CLK 125 TMS 127 TCK 128 TDO 1 TDI 2 U2D XEF216 512 TQ128 C20 VDDIOL 6 VDD 11 VDDIOL 14 VDD 16 VDD 17 VDDIOL 19 VDD 24 VDDIOL 29 VDD 36 VDD 41 VDDIOL 42 VDDIOR 52 VDD 56 VDD 60 NC 65 VDDIOR 67 VDD 73 VDDIOR 78 VDD 80 VDD 81...

Страница 23: ...IF 3 3V SPDIF I2S SDIN SCLK MCLK FSYNC SN74LVC2G157DCUR A 1 B 2 Y 3 GND 4 Y 5 A B 6 G 7 VCC 8 U9 SN74LVC2G157DCUR A 1 B 2 Y 3 GND 4 Y 5 A B 6 G 7 VCC 8 U10 SN74LVC2G157DCUR A 1 B 2 Y 3 GND 4 Y 5 A B 6 G 7 VCC 8 U11 SN74LVC2G157DCUR A 1 B 2 Y 3 GND 4 Y 5 A B 6 G 7 VCC 8 U13 3 3V GND GND GND GND GND 49 9 R38 49 9 R41 49 9 R45 49 9 R49 GND GND GND GND MCLK SPDIF SCLK SPDIF LRCLK SPDIF SDOUT SPDIF X M...

Страница 24: ...V C1 1µF C96 1µF C12 1µF C10 2 2µF C15 0 1uF 50V C93 0 1uF 50V C95 0 1uF 50V C5 0 1uF 50V C11 1uF 50V C82 2 2µF 16V C6 2 2µF 16V C9 2 2µF 16V C97 2 2µF 16V C98 1µF 50V C7 1µF 50V C13 1µF 50V C99 1µF 50V C101 16V 0 1uF C17 16V 0 1uF C18 3 3uH L1 3 3uH L2 3 3uH L7 3 3uH L8 AVDD 8 GVDD 9 PVDD 2 PVDD 29 PVDD 30 PVDD 42 PVDD 43 VDD 19 I2C_ADDR0 22 I2C_ADDR1 23 BST_1M 31 BST_1P 35 BST_2M 37 BST_2P 41 OU...

Страница 25: ...3V GND USB EN TO USB 2 1 3 4 5 S4 XMOS ENABLE Green D5 3 3V 3 3V to 1 8V LDO OUTPUT 1 8V 400mA 3 3V to 1V BUCK LDO for XMOS OUTPUT 1 0V 1A 1 0V GND GND GND GND 50V 0 1uF C91 10V 22uF C90 GND 10V 22uF C103 2 2uH L6 GND 10V 22uF C89 66 5k R59 100k R61 EN 1 GND 2 SW 3 VIN 4 FB 5 TLV62568DBVR U17 SW 3 3V VBAT 16V 0 1uF C85 50V 4 7µF C78 0 01µF C92 1 5uH L4 Figure 4 6 Schematic Page 4 www ti com Board ...

Страница 26: ...Wurth Elektronik C58 C59 2 18pF CAP CERM 18 pF 50 V 5 C0G NP0 0603 0603 GRM1885C1H180JA01D MuRata C64 C65 2 10uF CAP CERM 10 uF 10 V 20 X5R 0603 0603 C1608X5R1A106M080AC TDK C68 1 4700pF CAP CERM 4700 pF 25 V 10 X7R 0402 0402 CC0402KRX7R8BB472 Yageo C69 1 0 068uF CAP CERM 0 068 uF 50 V 10 X7R AEC Q200 Grade 1 0402 0402 CGA2B3X7R1H683K050BB TDK C71 C77 C88 3 1uF CAP CERM 1 uF 6 3 V 20 X5R 0402 0402...

Страница 27: ...L MuRata L6 1 2 2uH Inductor Multilayer Ferrite 2 2 uH 1 3 A 0 08 ohm SMD SMD Body 2 5x2mm Height 1 2mm LQM2HPN2R2MG0L MuRata Q1 1 40 V Transistor PNP 40 V 0 2 A SOT 23 SOT 23 MMBT3906 7 F Diodes Inc R3 R5 R7 R9 R46 R48 R53 R55 8 4 99k RES 4 99 k 1 0 063 W AEC Q200 Grade 0 0402 0402 CRCW04024K99FKED Vishay Dale R6 R8 2 1 00k RES 1 00 k 1 0 063 W AEC Q200 Grade 0 0402 0402 CRCW04021K00FKED Vishay D...

Страница 28: ...ADRYR Texas Instruments U7 1 Enhanced Product Dual Buffer Driver with Open Drain Output DCK0006A SOT SC70 6 DSF0006A SN74LVC2G07DSFR Texas Instruments U8 1 Photolink Fiber Optic Receiver TH 13 5x10x9 7mm PLR135 T10 Everlight U9 U10 U11 U13 4 Single 2 Line to 1 Line Data Selector Multiplexer DCU0008A LARGE T R DCU0008A SN74LVC2G157DCUR Texas Instruments SN74LVC2G157DCUT U12 1 Automotive Catalog 96 ...

Страница 29: ...E EVM Device Monitor and Control Window 10 Changed image Device Monitor and Control Window 12 Changed the Miscellaneous Control Section 13 Changed image Miscellaneous Control Section 13 Changed image Register Map Window 16 Changed image Register Map Window Expanding 16 Changed image I2C Window I2C Logging 18 Changed image I2C Window Sending I2C Commands 18 www ti com Revision History SLOU541A OCTO...

Страница 30: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Страница 31: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Страница 32: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Страница 33: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Страница 34: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Страница 35: ...s are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you wi...

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