SLYY081B March   2018  – January 2024 AMC1305M25 , AMC1311 , AMC1311-Q1 , ISO1042 , ISO1042-Q1 , ISO5851 , ISO7741 , ISO7841 , ISOM8710 , UCC20225-Q1 , UCC20225A-Q1 , UCC21520 , UCC21540 , UCC23513 , UCC5390

 

  1.   1
  2.   Overview
  3.   Failure mode 1: High voltage across the isolation barrier
  4.   Failure mode 2: A combination of high voltage and high current close to the isolation barrier
  5.   Failure mode 2: Test results
  6.   Other TI reinforced isolators
  7.   Conclusion
  8.   References

References

  1. Texas Instruments: Anant S Kamath, Kannan Soundarapandian. High-voltage reinforced isolation: Definitions and test methodologies
  2. Texas Instruments: Anant S Kamath, Isolation in AC Motor Drives: Understanding the IEC 61800-5-1 Safety Standard
  3. 61800-5-1 Ed. 2.0., Adjustable speed electrical power drive systems, safety requirements, electrical, thermal and energy, International Electrotechnical Commission (IEC), July 2007.
  4. 60060-1:2010 Ed 3.0, High-voltage test techniques – Part 1: General definitions and test requirements. International Electrotechnical Commission (IEC), September 2010.
  5. Download these data sheets: ISO5851, ISO7841.