Multifunction relay

Multifunction relay integrated circuits and reference designs

Description

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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Technical documentation

Application notes & user guides

Application Notes (11)

Title Type Size (KB) Date
PDF 1.41 MB 07 Sep 2021
PDF 589 KB 26 Feb 2021
PDF 846 KB 11 Jan 2021
PDF 676 KB 26 Feb 2019
PDF 1.02 MB 17 Apr 2018
PDF 313 KB 25 Jul 2017
PDF 219 KB 27 Jun 2017
PDF 62 KB 13 Jan 2016
PDF 132 KB 16 Apr 2015
PDF 654 KB 20 Nov 2012
PDF 446 KB 09 Oct 2011

Product bulletin & white papers

White Papers (2)

Title Type Size (MB) Date
PDF 1006 KB 25 Mar 2019
PDF 626 KB 13 Dec 2018

Technical articles

Design & development

Name Part # Company Software/Tool Type
Fly-Buck and Flyback Topology Selector FLYBUCK-FLYBACK-DESIGN-CALC Texas Instruments Calculation tool
LM5017 Quick Start Calculator LM5017-QUICKSTART-CALC Texas Instruments Calculation tool
LM5160 Buck Regulator Quick Start Calculator LM5160DNTBK-CALC Texas Instruments Calculation tool
LM5160 Fly-Buck Quick Start Calculator LM5160DNTFBK-CALC Texas Instruments Calculation tool

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