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Daisy chain temperature sensor reference design for SensorTag
TIDA-00800
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Description

The TIDA-00800 reference design entails 4 temperature sensors along a daisy chain in a cabling environment.  The sensors connect to the SensorTag development platform via the UART interface where the information can be transmitted wirelessly.  The Bluetooth low energy wireless technology makes testing and demonstration easier due to its integration in most modern equipment.  The form factor and electrical connections are compatible with TI SensorTag 2.0 ecosystem, allowing easy prototyping with other wireless technology (Zigbee, Wifi, sub 1GHz…), while the selected sensor allows industrial grade accuracy and resolution.

Features

 

•  Daisy-chained temperature sensors (TMP107)
• Bluetooth Low Energy™ link from SensorTag platform
• SMAART WIRE™ Interface: Allows up To 32 Daisy-Chained devices using UART interface
•  Temperature range: -55°C to +125°C
• Accuracy: ±0.4°C from -20°C to +70°C
• Resolution: 14 bits (0.015625°C)

 

•  Daisy-chained temperature sensors (TMP107)

• Bluetooth Low Energy™ link from SensorTag platform

• SMAART WIRE™ Interface: Allows up To 32 Daisy-Chained devices using UART interface

•  Temperature range: -55°C to +125°C

• Accuracy: ±0.4°C from -20°C to +70°C

• Resolution: 14 bits (0.015625°C)


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Schematic/Block Diagram

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Design Files

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC2650  SimpleLink multi-standard 2.4 GHz ultra-low power wireless MCU  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC1G125  Single Bus Buffer Gate With 3-State Outputs  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
TMP107  ±0.4°C Temperature Sensor with Daisy-Chain UART, EEPROM, and Alert Function  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC2650 Download Download
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SN74LVC1G125 Download Download
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TMP107 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 693 17 Sep 2015
Design files (3)
Title Type Size (KB) Date
ZIP 2113 26 Oct 2015
PDF 107 26 Oct 2015
PDF 235 26 Oct 2015

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