APEC Conference and Expo 2012



Full-Duplex Digital Isolator for Fast
Bi-Directional Communication Across a
High-Withstand Barrier


Presenter: Bill Morong, PE



 


Requirements for IGBT Drivers





Fast, Reliable, High-Voltage Isolation





Low-Latency, Long Life, Low Cost





Choices Limited by DV/DT Requirements





One Possible Solution





Best Current Practice





Patent-Pending Digital Isolator





The Key to the Technique





Pulse Waveforms in SPICE





Latency of 25 nS





Simple Data Reconstruction





IGBT Driver Application





Building Blocks







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