Data Isolation for Loop Powered Applications Reference Design


Design files


The focus of this design is the bidirectional communication across an isolation for loop powered applications. The challenge of such a solution is first of all the limited size within sensor transmitters and in case of a loop powered system the overall current consumption.

  • Isolated single wire bi-directional data transmission
  • Bit rates up to 1Mbps
  • low power data transmission
  • System Shutdown current 4uA @3V
  • Integrated 64KB FRAM with 8MBps in-system writes
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU804.PDF (2488 K)

Reference design overview and verified performance test data


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers


Detailed overview of design layout for component placement


Files used for 3D models or 2D drawings of IC components

TIDC969.ZIP (349 K)

Design file that contains information on physical board layer of design PCB

TIDRDF4.PDF (1026 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430FR596916 MHz MCU with 64KB FRAM, 2KB SRAM, AES, 12-bit ADC, comparator, DMA, UART/SPI/I2C, timer

Data sheet: PDF | HTML

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Technical documentation

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* Design guide Data Isolation for Loop-Powered Applications Design Guide Mar. 11, 2015

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