Field Transmitter with BLE Connectivity Powered from 4 to 20-mA Current Loop Reference Design
TIDA-00666
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Description

The TIDA-00666 TI Design enables Bluetooth Low Energy (BLE) communication powered from a 2-wire 4- to 20-mA loop. For industrial process control instruments, analog 4- to 20-mA current loops are commonly used for analog signaling, with 4 mA representing the lowest end of the range and 20 mA the highest. The TIDA-00666 reference design measures humidity and temperature and it is broadcasting the measured values with Bluetooth Low Energy. The TIDA-00666 design is loop powered and the current value on the loop is changed according to the humidity value (0% is 4mA and 100% is 20mA).

Features
  • 4- to 20-mA loop powered bluetooth low energy communication
  • 4- to 20-mA current-loop output signal
  • 8V - to 33-V input voltage range
  • 16-bit loop current resolution
  • On board humidity and temperature sensor

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  



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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC2650  SimpleLinkā„¢ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
DAC161S997  16-Bit Precision DAC With Internal Reference and 4mA-to-20mA Current Loop Drive  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
HDC1080  ±2% low-power digital humidity and temperature sensor  Sensors  Sample & Buy View Design Kits & Evaluation Modules
LM5165  3V-65V, 150mA Synchronous Buck Converter With Ultra-Low IQ  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
TPS717  150-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC2650 Download Download
Download Download
Download Download
DAC161S997 Download
HDC1080 Download Download
LM5165 Download Download
TPS717 Download Download
Download Download
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