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3.1.2 Theory of Operation for the AFE539A4EVM Hardware

A simplified schematic of the AFE539A4EVM board is displayed in

. The EVM board connects to

BOOSTXL-DAC-PORT with two 16-pin connectors. These headers provide access to all of the AFE pins.

VDD

AFE_FB3

AFE_OUT3

AFE_FB2

AFE_OUT2

AFE539A4

AFE_SCLK

AFE_SDO

AFE_SCL

EXT_REF

AFE_SDI

GND

GND

GND

AFE_SYNC

AFE_SDA

AFE_GPIO

AFE_VREF

AFE_CAP

AFE_FB0

AFE_OUT0

AFE_OUT1

AFE_FB1

R7

R5

R6

R8

NC

NC

AFE_MODE

GND

GND

NC

NC

GND

GND

GND

J1

J2

Figure 3-2. AFE539A4EVM Hardware Simplified Schematic

Detailed Description

12

AFE539A4EVM

SLAU859 – JULY 2021

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Copyright © 2021 Texas Instruments Incorporated

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Содержание AFE539A4EVM

Страница 1: ...e the performance of the AFE539A4 Throughout this document the terms evaluation board evaluation module and EVM are synonymous with the AFE539A4EVM This document includes a schematic reference printed circuit board PCB layouts and a complete bill of materials www ti com SLAU859 JULY 2021 Submit Document Feedback AFE539A4EVM 1 Copyright 2021 Texas Instruments Incorporated ...

Страница 2: ...gure 3 9 Register Page Options 17 Figure 3 10 Collateral Page 18 Figure 4 1 BOOSTXL DAC PORT Schematic Page 1 19 Figure 4 2 BOOSTXL DAC PORT Schematic Page 2 20 Figure 4 3 AFE539A4EVM Schematic 21 Figure 4 4 BOOSTXL DAC PORT PCB Components Layout 22 Figure 4 5 BOOSTXL DAC PORT Top Layer 22 Figure 4 6 BOOSTXL DAC PORT Bottom Layer 22 Figure 4 7 AFE539A4EVM PCB Components Layout 23 Figure 4 8 AFE539...

Страница 3: ...of Microsoft Corporation macOS is a trademark of Apple Inc Linux is a trademark of Linus Torvalds All trademarks are the property of their respective owners www ti com Trademarks SLAU859 JULY 2021 Submit Document Feedback AFE539A4EVM 3 Copyright 2021 Texas Instruments Incorporated ...

Страница 4: ...as Instruments website www ti com Table 1 1 Contents of AFE539A4EVM Kit Item Quantity AFE539A4EVM evaluation board PCB 1 Table 1 2 lists additional components that are required but not included with the EVM kit Table 1 2 Required Components not Included With Kit Item Quantity BOOSTXL DAC PORT Digital to analog converter DAC BoosterPack plug in module 1 TM4C1294 Connected LaunchPad Evaluation Kit E...

Страница 5: ... the AFE539A4 tile After the software is downloaded navigate to the download folder and run the AFE539A4EVM software installer executable When the AFE539A4EVM software is launched an installation dialog window opens and prompts the user to select an installation directory If left unchanged the software location defaults to C Program Files x86 Texas Instruments AFE539A4EVM as shown in Figure 2 1 Fi...

Страница 6: ...G Figure 2 2 TM4C1294 Connected TI LaunchPad Evaluation Kit Setup 2 Connect the USB cable to the port on the debug side of the board as shown in part 2 of Figure 2 2 3 Open UniFlash 4 Click on Start Now in the Detect Device section 5 If the GUI Composer framework is being installed for the first time the browser extension and the TI Cloud Agent must also be installed Follow the two step installati...

Страница 7: ...y Name Voltage Range J2 1 VDD 1 8 V to 5 5 V 5 V available on TI launchpad jumper J9 1 2 on BOOSTXL DAC PORT J1 1 GND 0 V The jumper settings on the BOOSTXL DAC PORT are crucial to the proper operation of the AFE539A4EVM Table 2 2 provides the details of the configurable jumper settings on the BOOSTXL DAC PORT The BOOSTXL DAC PORT pin and jumper numbers are as shown in Figure 4 1 and Figure 4 2 Th...

Страница 8: ...TG USB Port U7 to the computer Figure 2 5 Hardware Setup Guidelines 2 2 3 Electrostatic Discharge Caution Many of the components on the AFE539A4EVM are susceptible to damage by electrostatic discharge ESD Observe proper ESD handling precautions when unpacking and handling the EVM including the use of a grounded wrist strap at an approved ESD workstation System Setup www ti com 8 AFE539A4EVM SLAU85...

Страница 9: ...Power External Refererence AFE EVM Interface Reference Jumper Settings Power Supply Jumper Settings Digital Level Translator I2 C Level Translator Analog and Power Supply Function Extender TI LaunchPad Evaluation Kit Interface TI LaunchPad Evaluation Kit Interface Figure 3 1 BOOSTXL DAC PORT Hardware Block Diagram 3 1 1 1 Signal Definition of the BOOSTXL DAC PORT The BOOSTXL DAC PORT provides hard...

Страница 10: ...I O 19 GPIO General purpose I O 20 GPIO General purpose I O Table 3 2 BOOSTXL DAC PORT J14 Pin Definitions Pin Signal Description 1 3 3V 3 3 V power supply 2 5V 5 V power supply 3 GPIO General purpose I O 4 GND GND 5 GPIO General purpose I O 6 GPIO General purpose I O 7 GPIO General purpose I O 8 GPIO General purpose I O 9 MCU reset output MCU reset output 10 VDD_SENSE Sense Input for VDD 11 GPIO ...

Страница 11: ...D Analog ground 3 AIO3 Analog I O 4 AIO5 Analog I O AFE_VREF 5 AGND Analog ground 6 AIO7 Analog I O AFE_CAP 7 AIO9 Analog I O AFE_FB0 8 AGND Analog ground 9 AIO11 Analog I O AFE_OUT0 10 AIO13 Analog I O AFE_OUT1 11 AGND Analog ground 12 AIO15 Analog I O AFE_FB1 13 REFGND External reference ground 14 GND Ground 15 VSS VSS output 16 VIO or DAC_VIO VIO or DAC_VIO output Table 3 5 BOOSTXL DAC PORT J12...

Страница 12: ...f the AFE pins VDD AFE_FB3 AFE_OUT3 AFE_FB2 AFE_OUT2 AFE539A4 AFE_SCLK AFE_SDO AFE_SCL EXT_REF AFE_SDI GND GND GND AFE_SYNC AFE_SDA AFE_GPIO AFE_VREF AFE_CAP AFE_FB0 AFE_OUT0 AFE_OUT1 AFE_FB1 R7 R5 R6 R8 NC NC AFE_MODE GND GND NC NC GND GND GND J1 J2 Figure 3 2 AFE539A4EVM Hardware Simplified Schematic Detailed Description www ti com 12 AFE539A4EVM SLAU859 JULY 2021 Submit Document Feedback Copyri...

Страница 13: ...4 GND Ground 15 AFE_OUT2 Output pin for AFE OUT2 16 AFE_FB2 Feedback pin for AFE OUT2 Table 3 7 AFE539A4EVM J1 Pin Definitions Pin Signal Description 1 GND Ground 2 AFE_SDI SPI SDI signal input for AFE 3 AFE_SYNC SPI SYNC signal input for AFE 4 AFE_SDA I2C SDA input for AFE 5 GND Ground 6 GND Ground 7 NC Not connected 8 NC Not connected 9 AFE_GPIO GPIO input for AFE 10 AFE_MODE MODE input for AFE ...

Страница 14: ...is connected correctly the status bar at the bottom of the screen displays Hardware Connected If the TI launchpad is not properly connected or not connected at all the status bar displays Hardware not connected If the Hardware not connected status persists even after the hardware is connected go to Options Serial Port and change the port to another available port with the Texas Instruments or ACCt...

Страница 15: ...tween pages with each menu symbol representing a different feature page of the software The menu bar symbols represent the Home Setup PI Controller Register Map and Collateral pages respectively 3 2 2 1 Home Page The Home page shown in Figure 3 5 provides basic information and navigation to other pages Figure 3 5 Home Page www ti com Detailed Description SLAU859 JULY 2021 Submit Document Feedback ...

Страница 16: ...Figure 3 6 Setup Page 3 2 2 3 PI Controller Page The PI Controller page shown in Figure 3 7 provides an interface to quickly configure the PI parameters and relevant register settings for the AFE539A4 when using the AFE539A4 as a PI controller Figure 3 7 PI Controller Page Detailed Description www ti com 16 AFE539A4EVM SLAU859 JULY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Inc...

Страница 17: ...le menu option The stored configuration files can be recalled and loaded by selecting Load Registers Figure 3 9 shows the four configuration buttons Read Register Read All Registers Write Register and Write All Registers provided on the Register Map page that allow the user to read from and write to the device registers The Write Register and Write All Registers buttons are enabled only in Deferre...

Страница 18: ...teral Page 4 Schematic PCB Layout and Bill of Materials This section contains the schematics printed circuit board PCB layout diagrams and a complete bill of materials for the BOOSTXL DAC PORT and AFE539A4EVM Detailed Description www ti com 18 AFE539A4EVM SLAU859 JULY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 19: ... 10 0k R3 10 0k R2 10 0k R1 3V3 GND VIO DAC_VIO TP4 DAC_VIO 10 0k R24 10 0k R22 3V3 3V3 DAC_VIO 33 R21 33 R17 1 2 3 J10 1 2 3 J9 0 R15 0 R14 SCL_USBBTC_RSTSEL_LDAC SDA_CLR_RSTSEL_LDAC BO_SCL_USBBTC_RSTSEL_LDAC BO_SDA_CLR_RSTSEL_LDAC 10 0k R29 SPI_BUF_EN SPI_BUF_EN 1 2 J11 BO_SCL_USBBTC_RSTSEL_LDAC BO_SDA_CLR_RSTSEL_LDAC 10uF 10V C1 10uF 10V C2 1 3 5 6 4 2 7 9 10 8 12 11 14 13 16 15 18 17 20 19 J14...

Страница 20: ...EF 1 0k R30 GND 25V 0 1uF C8 GND VDD L1 742792651 0 R31 1 2 3 J3 EXT_REF REF TP2 REF L2 742792651 L3 742792651 25V 0 1uF C4 REFGND Reference Voltage Selection 5 4 1 2 3 6 7 8 9 10 11 12 13 14 15 16 J5 5 4 1 2 3 6 7 8 9 10 11 12 13 14 15 16 J4 REFGND GND 0 R16 0 R46 0 R47 DAC_VIO 0 R34 1 2 3 J7 1 2 3 J6 AGND REFGND must be shorted to GND on the Breakout Board This pinout has been chosen to match th...

Страница 21: ...539A4EVM Schematic Figure 4 3 AFE539A4EVM Schematic www ti com Schematic PCB Layout and Bill of Materials SLAU859 JULY 2021 Submit Document Feedback AFE539A4EVM 21 Copyright 2021 Texas Instruments Incorporated ...

Страница 22: ...E539A4EVM board Figure 4 4 BOOSTXL DAC PORT PCB Components Layout Figure 4 5 BOOSTXL DAC PORT Top Layer Figure 4 6 BOOSTXL DAC PORT Bottom Layer Schematic PCB Layout and Bill of Materials www ti com 22 AFE539A4EVM SLAU859 JULY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 23: ...39A4EVM PCB Components Layout Figure 4 8 AFE539A4EVM Layers www ti com Schematic PCB Layout and Bill of Materials SLAU859 JULY 2021 Submit Document Feedback AFE539A4EVM 23 Copyright 2021 Texas Instruments Incorporated ...

Страница 24: ... Tin TH 10x2 Receptacle SSQ 110 03 T D Samtec L1 L2 L3 3 600 Ω Ferrite Bead 600 Ω 100 MHz 1 A 0603 0603 742792651 Wurth Elektronik LBL1 1 Thermal Transfer Printable Labels 0 650 W x 0 200 H 10 000 per roll PCB Label 0 650 x 0 200 inch THT 14 423 10 Brady R1 R2 R3 R22 R23 R24 R29 R37 8 10 0 k RES 10 0 k 1 0 1 W 0603 0603 RC0603FR 0710KL Yageo America R4 R5 R6 R11 R12 R13 R17 R18 R19 R20 R21 R25 R26...

Страница 25: ...A4EVM Bill of Materials Designator Quantity Value Description Package Reference Part Number Manufacturer PCB 1 Printed Circuit Board DC159 Any C1 C2 C4 3 0 1 µF CAP CERM 0 1 µF 50 V 5 X7R 0603 0603 06035C104JAT2A AVX C3 1 1 µF CAP CERM 1 µF 50 V 10 X7R 0805 0805 GJ821BR71H105KA12L MuRata C5 1 2 2 µF CAP CERM 2 2 uF 10 V 10 X7R 0603 0603 GRM188R71A225KE15D MuRata J1 J2 2 Header 2 54mm 16x1 TH Heade...

Страница 26: ...o 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 will fully indemn...

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