Fault Monitoring for Overhead Fault Indicators using Ultra Low Power Reference Design

(ACTIVE) TIDA-00807

Description & Features

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Key Document

Description

Fault Indicators (FI) are devices installed at certain distance on overhead power lines in electric power distribution networks to detect and indicate the occurence of faults. The benefit is reduction in outage times by identifying the fault zone easily.  The TIDA-00807 reference design features an ultra‐low power MCU and discrete analog front end to monitor and measure the current and voltage parameters where it is installed.In addition, a self‐test mechanism comprising of a DAC and Hall Switch can be configured to execute a diagnostic program that permits the system to test itself.

Features
  • Current voltage measurement range: 0.5-100A, 50-300V
  • Measurement accuracy: ≤±2%
  • Multiple gain stage and ADC channels used for covering wide curent and voltage range
  • Dual rail, configurable DC-DC converter (with integrated load switch) adds flexibility with power savings
  • MCU selected based on ultra-low power consumption, small pin count and footprint
  • Self test - fault current simulation using DAC and self test magnet detection using hall switch

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (7)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC101C081  10-Bit Micro Power Digital-to-Analog Converter with an I2C-Compatible Interface  Digital-to-analog converters (DACs)  Sample & Buy Not Available
DRV5032  Ultra-Low Power 1.65V to 5.5V Hall Effect Switch Sensor  Magnetic sensors  Sample & Buy View Design Kits & Evaluation Modules
LM4041-N  Precision Micropower Shunt Voltage Reference  Voltage references  Sample & Buy Not Available
MSP430FR5728  MSP430FR5728 8 MHz ULP microcontroller with 16 KB FRAM, 1 KB SRAM, 21 IO, 10-bit ADC and comparator  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
OPA2317  Dual, Low Offset, Rail-to-Rail I/O Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC1G3157  1-Channel, 2:1 Analog Switch  Switches & multiplexers  Sample & Buy View Design Kits & Evaluation Modules
TPS62740  Ultra-low-power 300mA Step-Down Buck DCDC Converter with 360nA Iq  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC101C081 Download Download
Download Download
DRV5032 Download Download
Download Download
LM4041-N Download
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Download
MSP430FR5728 Download Download
Download Download
OPA2317 Download
Download
SN74LVC1G3157 Download Download
Download Download
Download Download
Download Download
Download Download
Download Download
Download -
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TPS62740 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1487 19 May 2017 54
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 399 24 Jun 2016 12
ZIP 2091 24 Jun 2016 15
PDF 183 24 Jun 2016 18
PDF 216 24 Jun 2016 15
PDF 102 24 Jun 2016 21
PDF 797 24 Jun 2016 154
Related Tools & Software

Software (1)



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