Multifunction relay

Products and reference designs

Block diagram

Our integrated circuits and reference designs help you design multifunction relays with protection, monitoring and diagnostic features integrating data acquisition, signal processing, protection algorithms, high- or low-speed communication, isolation and human machine interface (HMI) functionalities.

Innovative and highly-integrated multifunction relay designs often require:

Accurate measurement of alternating current (AC) and voltage inputs over a wide range.
Communication interfaces, including Ethernet copper/fiber 10/100/1000, USB and RS-485.
Efficient direct current (DC) supply using DC/DC converters with an integrated inductor and onboard power management.
HMI solutions for LCDs for graphic display and LEDs for diagnostics and status indication.

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Type	Title		Date
Application note	Principles of Data Acquisition and Conversion (Rev. A)	PDF \| HTML	28 Jun 2018
Application brief	Reduce Effects of Ext RC Filter on Gain Error and Drift in SAR ADC w/Int AFE (Rev. A)		25 Jul 2017
White paper	Enabling and integrating wired & wireless technologies for grid interoperability		22 Mar 2019
White paper	Moving from conventional to intelligent substations		17 Jan 2019
Application note	HSR/PRP Solutions on Sitara Processors for Grid Substation Communication		17 Apr 2018
Application note	Digital Filter Types in Delta-Sigma ADCs (Rev. A)	PDF \| HTML	14 Apr 2023
Application note	A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. B)		13 Sep 2019
Application note	TI DSP Benchmarking		13 Jan 2016
Application note	Low-Emission Designs With ISOW7841 Integrated Signal and Power Isolator (Rev. C)		11 May 2022
Application note	Introduction to HVDC Architecture and Solutions for Control and Protection (Rev. B)	PDF \| HTML	11 May 2022
Application note	Expanding Analog Input Channels in Grid Applications (Using 16-Channel, 16-Bit, (Rev. A)		10 May 2022
Application note	Reducing Phase Delay by Averaging on ADS8686S with Burst Sequencer Mode	PDF \| HTML	10 May 2022
Application note	Electric Power System Coherent Sampling		08 Dec 2012

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