Texas Instruments TMP102EVM User Manual Download Page 19

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TMP102 Documentation

6.2

PCB Layout

Figure 24

and

show the PCB layout of the TMP102EVM.

Figure 24. TMP102EVM PCB Top Layer (Component Side)

Figure 25. TMP102EVM PCB Bottom Layer

SBOU114

–

August 2011

TMP102EVM Evaluation Board and Software Tutorial

2011, Texas Instruments Incorporated

Summary of Contents for TMP102EVM

Page 1: ...Block Diagram 6 5 Connecting SM USB DIG Platform 7 6 Confirmation of SM USB DIG Platform Driver Installation 7 7 10 Pin Ribbon Cable Extender 8 8 TMP102EVM Software Installation 9 9 TMP102EVM License...

Page 2: ...ce that allows up to four devices on one bus The TMP102 is ideal for extended temperature measurement and is also specified to operate between 40 C and 125 C The TMP102EVM is a platform for evaluating...

Page 3: ...TMP102 product folder on the TI web site at www ti com to verify that you have the latest versions of the related software Table 1 TMP102EVM Kit Contents Item Quantity TMP102EVM PCB Test Board 1 SM U...

Page 4: ...oth title and literature number Table 2 Related Documentation Document Literature Number TMP102 Product Data Sheet SBOS397B SM USB DIG Platform User Guide SBOU098 2 TMP102EVM Hardware Setup Figure 2 s...

Page 5: ...d the SM USB DIG It should be noted that the TMP102EVM uses only the necessary I2 C communication lines pins 1 and 3 and the VDUT and GND pins 6 and 8 respectively to issue commands to the TMP102 sens...

Page 6: ...load at www ti com The block diagram shown in Figure 4 gives a brief overview of the platform The primary control device on the SM USB DIG platform is the TUSB3210 Figure 4 SM USB DIG Platform Block D...

Page 7: ...dow 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 Platform uses the human interface device drivers that are par...

Page 8: ...DIG 3 4 2 10 Pin Connector Ribbon Extender Optional The TMP102EVM kit ships with an optional ribbon cable for extending the connection between the SM USB DIG and the PCB This extension cable can be us...

Page 9: ...t the disc into an available CD ROM drive Navigate to the drive contents and open the TMP102EVM software folder Locate the compressed file TMP102EVM zip and open it using WinZIP or a similar file comp...

Page 10: ...two license agreements are presented that must be accepted as shown in Figure 9 After accepting the Texas Instruments and National Instruments license agreements the progress bar opens and shows the...

Page 11: ...f the PC cannot communicate with the SM USB DIG platform If you receive this error message first check to see that the USB extension cable is properly connected to both the PC USB port and to the SM U...

Page 12: ...e test board by toggling the Read All Reg button shown in Figure 12 If all devices are communicating correctly the user should be able to see temperature change over time in the TMP102 Temperature box...

Page 13: ...en adjusting large numbers of the configuration registers on the left side of the panel The Auto write feature automatically makes changes to the configuration register whenever one of the configurati...

Page 14: ...14 Reading the Temperature Gauge 5 2 4 Polarity Alert Pin The polarity drop down selection box in the Configuration section allows the user to toggle how the Alert pin behaves when it is triggered Wh...

Page 15: ...to 150 C It is important to note that adding an additional bit of accuracy also changes the current THIGH and TLOW values these values must then be reset to the user s original intended values after...

Page 16: ...e 19 allows the user to change how long each temperature conversion takes the TMP102 to perform The user may want to select a slower conversion time as shown in Figure 19 to make the TMP102 consume le...

Page 17: ...e Thermostat mode see Section 5 2 7 The THIGH input box allows the user to set when the Alert pin is triggered When the measured value in the temperature register exceeds the THIGH threshold the Alert...

Page 18: ...image are intended to show how the board is laid out they are not intended to be used for manufacturing TMP102EVM PCBs 6 1 TMP102EVM Board Schematic Figure 23 shows the schematic for the TMP102EVM bo...

Page 19: ...show the PCB layout of the TMP102EVM Figure 24 TMP102EVM PCB Top Layer Component Side Figure 25 TMP102EVM PCB Bottom Layer 19 SBOU114 August 2011 TMP102EVM Evaluation Board and Software Tutorial Submi...

Page 20: ...onics RMCF0603ZT0R00 4 1 0 1 F C1 Capacitor Ceramic 0 10 F 25 V TDK Corporation C1608Y5V1E104Z Y5V 0603 5 2 2 V 5 mA D1 D2 LED Green Wide Angle 0603 SMD Panasonic LNJ3W0C83RA 6 1 U1 TMP102 Texas Instr...

Page 21: ...ct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer...

Page 22: ...for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have...