Fast, bidirectional high voltage digital isolation

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