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

  3217 Phoenixville Pike Malvern, PA 19355 www.cognipower.com