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TMP451EVM User’s Guide and Software
Tutorial

User's Guide

Literature Number: SBOU131

June 2013

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Summary of Contents for TMP451

Page 1: ...TMP451EVM User s Guide and Software Tutorial User s Guide Literature Number SBOU131 June 2013...

Page 2: ...rature Terminal Block J4 10 4 TMP451EVM Software Setup 12 4 1 Operating Systems for TMP451EVM Software 12 4 2 TMP451EVM Software Installation 12 5 TMP451EVM Software Overview 15 5 1 Starting the TMP45...

Page 3: ...ense Agreements 14 5 1 TMP451EVM Software Interface 15 5 2 Communication Error with USB DIG Platform 16 5 3 TMP451 Read Continuously 16 5 4 Temperature Limits Tab 17 5 5 TMP451 Configuration Register...

Page 4: ...oard evaluation module and EVM are synonymous with the TMP451EVM This user s guide also includes information regarding operating procedures and input output connections an electrical schematic PCB lay...

Page 5: ...rotocol 1 1 TMP451EVM Kit Contents Table 1 1 details the contents of the TMP451EVM kit and Figure 1 1 below shows all of the included hardware Contact the Texas Instruments Product Information Center...

Page 6: ...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 website at http www ti com or call the Texas Instr...

Page 7: ...ly a constant 3 3 V and power return as shown in Figure 2 2 The TMP451EVM also has test points to monitor these signal lines and ground in case the user may want to use their own signals or verify I2...

Page 8: ...Hi Z as well 2 3 Theory of Operation for USB DIG Platform Figure 2 3 shows the block diagram for the SM USB DIG platform This platform is a general purpose data acquisition system that is used on sev...

Page 9: ...response to connecting the SM USB DIG platform board to a PC USB port for the first time Typically the computer responds with a Found New Hardware USB device pop up dialog The pop up window then like...

Page 10: ...art to be powered at 1 8 V while the communication is still at 3 3 V The TMP451EVM is equipped with an on board I2 C level translator This allows the TMP451 and the I2 C to be operated at 3 3 V or 1 8...

Page 11: ...om TMP451EVM Features Figure 3 4 Connection for NPN Transistor to J4 Figure 3 5 Remote NPN Setup 11 SBOU131 June 2013 TMP451EVM Hardware Overview Submit Documentation Feedback Copyright 2013 Texas Ins...

Page 12: ...site To download the software to your system insert the disc into an available CD ROM drive Navigate to the drive contents and open the TMP451EVM software folder Locate the compressed file TMP451EVM z...

Page 13: ...Files National Instruments Following this option two license agreements are presented that must be accepted as shown in Figure 4 2 After accepting the Texas Instruments and National Instruments licen...

Page 14: ...P451EVM Software Installation www ti com Figure 4 2 TMP451EVM License Agreements 14 TMP451EVM Software Setup SBOU131 June 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporat...

Page 15: ...oning properly Figure 5 1 TMP451EVM Software Interface Figure 5 2 shows an error that pops up if the computer cannot communicate with the EVM In the event you receive this error first ensure that the...

Page 16: ...e change over time in the TMP451 local temperature box Figure 5 3 TMP451 Read Continuously 5 2 2 Temperature ALERT and THERM Limits The first tab on the TMP451EVM software is Temperature Limits In thi...

Page 17: ...andby AL TH stands for ALERT THERM2 When this bit is enabled ALERT becomes a second THERM The TRange bit switches the TMP451 from its normal temperature range of 0 C 127 C to its extended temperature...

Page 18: ...l 1 and Level 2 This filter maintains a running average of 4 samples level 1 or 8 samples level 2 Table 5 1 Conversion Rate Register Codes Code Conversion Second Time Second 0x00 0 0625 16 0x01 0 125...

Page 19: ...111000 F8 8 0 981818 11110110 F6 10 0 975484 10000000 80 128 0 706542 5 2 6 Reading the Temperature Gauge The temperature box on the TMP451EVM software displays the measured values of the TMP451 devic...

Page 20: ...9517DR Vcca SCLA SDAA GND EN SDAB SCLB Vccb PCA9517DR U2 296 23734 1 ND TLV3012AIDBVR 1 2 3 4 6 5 U6 TLV3012AIDBVR 1 2 3 4 6 5 U7 ALERT GND GND GND GND VCC VCC VCC 845 R13 845 R10 845 R11 0 1 F C7 0 1...

Page 21: ...VM PCB Components Layout Figure 6 2 shows the layout of the components for the TMP451EVM board Figure 6 2 TMP451EVM Components Layout 21 SBOU131 June 2013 TMP451EVM Documentation Submit Documentation...

Page 22: ...ose Red Point 8 4 Bumpo H1 H2 Bumpon 3M SJ5303 7 ND SJ 5303 0 061 0 243 n H3 H4 Hemisphere 0 44 X CLEAR 0 20 Clear 9 1 NPN NA TRANS NPN 40V STMicroelectr 497 2598 ND 2N2222A 1 260 1 260 Connect Transi...

Page 23: ...5RL R13 ND 17 1 Temper U1 IC TEMP SENSR Texas NA NA NA NA NA ature Instruments Sensor 18 1 I2 C U2 IC LVL TRANSL I2 C Texas 296 23734 1 PCA9517D 3 010 3 010 Translat BUS REP 8 SOIC Instruments ND R or...

Page 24: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Page 25: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Page 26: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Page 27: ...erations per the user guidelines Exceeding the specified EVM ratings including but not limited to input and output voltage current power and environmental ranges may cause property damage personal inj...

Page 28: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

Page 29: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TMP451EVM...

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