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3.1.3 Theory of Operation for the TPL1401EVM Hardware

shows the block diagram of the TPL1401EVM board. The EVM board connects to BOOSTXL-DAC-

PORT with two 16-pin connectors. These headers provide access to all DAC pins. The EVM board also houses
an EEPROM and an I

2

C buffer.

Figure 3-2. TPL1401EVM Hardware Block Diagram

Detailed Description

14

TPL1401 Evaluation Module

SNAU257 – OCTOBER 2020

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Copyright © 2020 Texas Instruments Incorporated

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Summary of Contents for TPL1401

Page 1: ...1 buffered voltage output DAC in a variety of configurations Throughout this document the terms evaluation board evaluation module and EVM are synonymous with the TPL1401EVM This document includes a s...

Page 2: ...TXL DAC PORT Hardware Block Diagram 10 Figure 3 2 TPL1401EVM Hardware Block Diagram 14 Figure 3 3 TPL1401EVM GUI Location 16 Figure 3 4 TPL1401EVM GUI Connection Detection 17 Figure 3 5 TPL1401EVM Sof...

Page 3: ...L DAC PORT J5 Pin Definitions 12 Table 3 5 BOOSTXL DAC PORT J12 Pin Definitions 13 Table 3 6 TPL1401EVM J2 Pin Definitions 15 Table 3 7 TPL1401EVM J1 Pin Definitions 15 Table 4 1 BOOSTXL DAC PORT Bill...

Page 4: ...GUI 1 1 Kit Contents Table 1 1 details the contents of the EVM kit Contact the TI Product Information Center nearest you if any component is missing TI highly recommends that the user verify latest v...

Page 5: ...ad folder and run the TPL1401EVM software executable as shown in Figure 2 1 When the TPL1401EVM software is launched an installation dialog window opens and prompts the user to select an installation...

Page 6: ...TPL1401EVM zip Follow the step by step procedure below to upgrade the firmware and install the device drivers successfully 1 Remove jumper JP6 on the Analog EVM Controller as shown in step 1 of Figure...

Page 7: ...nload Directory TPL1401EVM_1 0 1_installer_win install_image_TPL1401EVM TPL1401EVM firmware acctrl 0 3 0 3b bin Press Load Image followed by Verify Image 3 4 2 Remove Jumper Mount Jumper 1 xxx xxx xxx...

Page 8: ...ditional boards stacked up on the BOOSTXL DAC PORT in order to provide extended functions Figure 2 5 displays the system setup XDS110 USB Port Analog EVM Controller MSP432E401Y BOOSTXL DAC PORT Option...

Page 9: ...off 2 2 2 Connecting the Hardware After the Analog EVM Controller firmware is upgraded as described in Section 2 1 3 and power and jumper configurations done as per Section 2 2 1 the BOOSTXL DAC PORT...

Page 10: ...with a predefined set of signals common to a precision DAC The block diagram of this board is shown in Figure 3 1 External Power I2 C SPI GPIO SPI GPIO 5 V 3 3 V Analog IO Power External Refererence D...

Page 11: ...purpose I O 35 EXT_LDAC External LDAC I O 36 EXT_LDAC External LDAC I O 37 SPI_BUF_EN Digital SPI buffer enable 38 GPIO General purpose I O 39 GPIO General purpose I O 40 GPIO General purpose I O Tabl...

Page 12: ...T_REF External reference input 14 GND Ground 15 VCC VCC output 16 VDD VDD output Table 3 4 BOOSTXL DAC PORT J5 Pin Definitions Pin Signal Description 1 AIO1 Analog I O 2 AGND Analog Ground 3 AIO3 Anal...

Page 13: ...oltage positive power supply 2 VSS High voltage negative power supply 3 GND Ground 4 EXT_VDD External VDD 5 EXT_VIO External VIO www ti com Detailed Description SNAU257 OCTOBER 2020 Submit Document Fe...

Page 14: ...OOSTXL DAC PORT with two 16 pin connectors These headers provide access to all DAC pins The EVM board also houses an EEPROM and an I2C buffer Figure 3 2 TPL1401EVM Hardware Block Diagram Detailed Desc...

Page 15: ...AGND Analog ground 14 AGND Analog ground 15 AGND Analog ground 16 AGND Analog ground Table 3 7 TPL1401EVM J1 Pin Definitions Pin Signal Description 1 GND PCB ground 2 NC Not connected 3 NC Not connec...

Page 16: ...egisters and functions to the TPL1401 device 3 2 1 Starting the Software To launch the software locate the Texas Instruments folder in the All Programs menu and select the TPL1401 EVM icon Figure 3 3...

Page 17: ...uld connect Figure 3 4 TPL1401EVM GUI Connection Detection 3 2 2 Software Features The TPL1401 EVM incorporates interactive functions that help configure the TPL1401 device These functions are built i...

Page 18: ...etails how the Analog EVM Controller BOOSTXL DAC PORT and TPL1401EVM are stacked This page also shows the default jumper settings for the BOOSTXL DAC PORT Figure 3 6 TPL1401EVM Setup Page Detailed Des...

Page 19: ...AC setup for power up reference selection and output span selection available in this tab is common to all the tab functions The EEPROM PROGRAM button is used to write the latest register settings to...

Page 20: ...e Registers button under the File menu option Additionally the stored configuration files can be recalled and loaded through the Load Registers button Other options selectable by the user are the Auto...

Page 21: ...Collateral Page 4 Schematic PCB Layout and Bill of Materials This section contains the complete bill of materials and schematic diagram for the BOOSTXL DAC PORT and TPL1401EVM www ti com Detailed Desc...

Page 22: ...STSEL_LDAC GND 10 0k R23 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_RSTS...

Page 23: ...30 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...

Page 24: ...hows the TPL1401EVM schematic Figure 4 3 TPL1401EVM Schematic Schematic PCB Layout and Bill of Materials www ti com 24 TPL1401 Evaluation Module SNAU257 OCTOBER 2020 Submit Document Feedback Copyright...

Page 25: ...for the TPL1401EVM board Figure 4 4 BOOSTXL DAC PORT PCB Components Layout Figure 4 5 BOOSTXL DAC PORT Top Layer www ti com Schematic PCB Layout and Bill of Materials SNAU257 OCTOBER 2020 Submit Docu...

Page 26: ...ttom Layer Figure 4 7 TPL1401EVM PCB Components Layout Schematic PCB Layout and Bill of Materials www ti com 26 TPL1401 Evaluation Module SNAU257 OCTOBER 2020 Submit Document Feedback Copyright 2020 T...

Page 27: ...gure 4 8 TPL1401EVM Layers www ti com Schematic PCB Layout and Bill of Materials SNAU257 OCTOBER 2020 Submit Document Feedback TPL1401 Evaluation Module 27 Copyright 2020 Texas Instruments Incorporate...

Page 28: ...284160 Molex J11 1 Header 100mil 2x1 Gold with Tin Tail SMT 2x1 Header TSM 102 01 L SV Samtec J12 1 Terminal Block 3 5mm 5x1 Tin TH Terminal Block 3 5mm 5x1 TH 393570005 Molex J13 J14 2 Receptacle 2 5...

Page 29: ...1 8 Bit Dual Supply Bus Transceiver with Configurable Voltage Level Shifting and Three State Outputs PW0024A TSSOP 24 PW0024A SN74LVC8T245PW Texas Instruments U3 1 Precision Micropower Shunt Voltage R...

Page 30: ...a U1 1 10 Bit I2C Interface Buffered Voltage Output DAC DSG0008A WSON 8 DSG0008A TPL1401DSGR Texas Instruments U2 1 I2C BUS EEPROM 2 Wire TSSOP B8 TSSOP 8 BR24G32FVT 3AGE2 Rohm U3 1 I2C Level Translat...

Page 31: ...ther 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 tec...

Page 32: ...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 in...

Page 33: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 34: ...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 electr...

Page 35: ...R 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 Furthe...

Page 36: ...e resources 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 reprod...

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