Texas Instruments TMP007EVM Manuel utilisateur

User's Guide

SBOU137A–May 2014–Revised December 2014

TMP007EVM User's Guide

This user’s guide describes the characteristics, operation, and use of the TMP007 evaluation module. This

user's guide discusses how to set up and configure the software and hardware, and reviews various

aspects of the program operation. Throughout this document, the terms evaluation board,evaluation

module,TMP007 test board, and EVM are synonymous with TMP007EVM.

Contents

1 Introduction to the TMP007 and TMP007EVM .......................................................................... 2

2 TMP007EVM Hardware Setup............................................................................................. 3

3 Hardware Overview.......................................................................................................... 5

4 TMP007EVM Software...................................................................................................... 6

List of Figures

1 Hardware Included with TMP007EVM Kit ................................................................................ 2

2 TMP007EVM Hardware Setup............................................................................................. 3

3 TMP007 Test Board Schematic............................................................................................ 4

4 Typical Hardware Connection.............................................................................................. 5

5 Typical PC Behavior After Connecting TMP007EVM................................................................... 6

6 TMP007EVM Software Installation Files.................................................................................. 6

7 TMP007EVM Software Installation Launch .............................................................................. 7

8 GUI Software and Internal Use License .................................................................................. 8

9 National Instruments Software License................................................................................... 8

10 Start Installation Prompts................................................................................................... 9

11 Software Installation Process .............................................................................................. 9

12 Installation Complete....................................................................................................... 10

13 GUI Software Default Configuration ..................................................................................... 11

14 GUI Uncheck Simulate Configuration.................................................................................... 12

15 Indication for Correct Hardware Connection............................................................................ 12

16 Main Pages in the TMP007 GUI ......................................................................................... 13

17 Control Page: Mode Controls............................................................................................. 14

18 Control Page: Temperature Limit Controls.............................................................................. 16

19 Control Page: Coefficient Controls Page................................................................................ 17

20 Programmers Page ........................................................................................................ 18

Microsoft, Windows are registered trademarks of Microsoft Corporation.

SPI is a trademark of Motorola.

All other trademarks are the property of their respective owners.

SBOU137A–May 2014–Revised December 2014 TMP007EVM User's Guide

Introduction to the TMP007 and TMP007EVM

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1 Introduction to the TMP007 and TMP007EVM

The TMP007 is an infrared thermopile sensor that measures the temperature of an object without having

to be in contact with it. The integrated thermopile absorbs the infrared energy emitted from the object that

appears in the sensor’s field of view. The thermopile voltage is digitized and input to the integrated math

processor, along with the local die temperature. The processor then computes the corresponding object

temperature.

Default Seebeck coefficients and thermal transient coefficients are encoded into the processor. System

calibration values can be programmed and stored in the built-in, non-volatile memory as user inputs for

improved accuracy. An alert function is also available and can be programmed in the comparator or

interrupt mode.

The EVM consists of two printed circuit boards (PCBs): the SM-USB-DIG and the TMP007 test board. The

SM-USB-DIG communicates with the computer, provides power, and sends and receives appropriate

digital signals. The TMP007 Test Board contains the TMP007 and support circuitry.

1.1 TMP007EVM Kit Contents

Table 1 summarizes the contents of the EVM kit. Figure 1 shows the included hardware. Contact the

Texas Instruments Product Information Center nearest you if any component is missing. Verify you have

the latest versions of the released software by checking the TMP007 product folder on the TI web site at

www.ti.com.

Table 1. TMP007EVM Kit Contents

Item Quantity

TMP007 test board 1

SM-USB-DIG board 1

Figure 1. Hardware Included with TMP007EVM Kit

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Introduction to the TMP007 and TMP007EVM

1.2 Related Documentation from Texas Instruments

The following documents provide information regarding Texas Instruments' integrated circuits used in the

assembly of the TMP007. This user's guide is available from the TI web site under literature number

SBOU137. Any letter appended to the literature number corresponds to the document revision that is

current at the time of the writing of this document. Newer revisions may be available from the TI web site,

or call the Texas Instruments' Literature Response Center at (800) 477-8924 or the Product Information

Center at (972) 644-5580. When ordering, identify the document by both title and literature number.

Table 2. Related Documentation

Document Literature Number

TMP007 product data sheet SBOS685

SM-USB-DIG platform user guide SBOU098

2 TMP007EVM Hardware Setup

Figure 2 shows the system setup for the EVM. The computer runs the graphical user interface (GUI)

software that communicates with the SM-USB-DIG over a USB connection. The SM-USB-DIG translates

USB commands from the computer into power, I2C, SPI™, and general-purpose input/output (GPIO)

commands for the TMP007 test board. Note that the TMP007EVM does not require any additional

components to operate.

Figure 2. TMP007EVM Hardware Setup

SBOU137A–May 2014–Revised December 2014 TMP007EVM User's Guide

TMP007EVM Hardware Setup

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EVM Schematic

Figure 3 shows a complete schematic of the TMP007 test board. The SDA, SCK, and ALERT pins are

pulled up by the SM-USB-DIG built-in pull-up resistance and 47-kΩpull-up resistance combined in

parallel. Overall pull-up resistance for these signals remains at approximately 9 kΩ. Capacitor C2

functions as a bypass capacitor for DVDD or V+. Resistors R1 and R2 are 0-Ωresistors that ground the

ADDR0 and ADDR1 pins, hence the I2C device address for the TMP007EVM is 80h. The TMP007 ALERT

signal is connected to an LED light to visually demonstrate functionality.

Figure 3. TMP007 Test Board Schematic

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Hardware Overview

3 Hardware Overview

If not already assembled, the basic hardware setup for the TMP007EVM involves connecting the TMP007

test board to the SM-USB-DIG and then connecting the SM-USB-DIG to the computer. This section

describes the details of this procedure.

3.1 Typical Hardware Connections

Connect the right-angle female socket on the TMP007 test board to the right angle male header on the

SM-USB-DIG. Take special care to ensure that the two 10-pin sockets directly align with each other. Make

sure that all connectors are properly aligned and pushed together firmly. Loose connections may cause

intermittent operation.

Afterwards, plug the SM-USB-DIG to the computer. A green LED light indicates that the SM-USB-DIG is

powered up, as shown in Figure 4. Always connect the two boards together before connecting the USB

cable to avoid any issues if the connectors are misaligned. The device is not operational if the connectors

are misaligned.

Figure 4. Typical Hardware Connection

SBOU137A–May 2014–Revised December 2014 TMP007EVM User's Guide

TMP007EVM Software

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Figure 5 shows the typical response when the SM-USB-DIG is plugged into the USB port of a computer

for the first time. Typically, the computer responds with a Found New Hardware, USB Device pop-up

dialog. The pop-up window then changes to Found New Hardware, USB Human Interface Device. This

pop-up indicates that the device is ready to be used. The SM-USB-DIG uses the human interface device

drivers that are part of the Microsoft®Windows®operating system.

Figure 5. Typical PC Behavior After Connecting TMP007EVM

4 TMP007EVM Software

This section discusses how to install the TMP007EVM software.

4.1 Hardware Requirements

The TMP007EVM software is tested on Microsoft Windows 7 operating systems (OS) with United States

regional settings. The software should also function on other Windows OS platforms.

4.2 GUI Software Installation

The software is available through the TMP007EVM product folder on www.ti.com. To install the software

to a computer, download the SBOC441.zip file from www.ti.com, unzip the file, and open the TMP007EVM

software folder. Locate and launch the TMP007EVM installation file (setup.exe), as shown in Figure 6.

This file is located in the Installer directory.

Figure 6. TMP007EVM Software Installation Files

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TMP007EVM Software

The TMP007EVM software installer file then begins the installation process, as shown in Figure 7.

Figure 7. TMP007EVM Software Installation Launch

Follow the prompts shown in Figure 8 to Figure 12 to install the TMP007EVM GUI software.

SBOU137A–May 2014–Revised December 2014 TMP007EVM User's Guide

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Figure 8. GUI Software and Internal Use License

Figure 9. National Instruments Software License

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TMP007EVM Software

Figure 10. Start Installation Prompts

Figure 11. Software Installation Process

SBOU137A–May 2014–Revised December 2014 TMP007EVM User's Guide

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Figure 12. Installation Complete

The TMP007EVM GUI software is now installed.

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