基于中间母线控制的新型通信电源整体解决方案

基于中间母线控制的新型通信电源整体解决方案
Novel Telecom Power Total Solutions Based on
Intermediate Bus Controller
基于中间母线控制的新型通信电源整体解决方案


Jimmy Liu
Texas Instruments
High Performance Analog
September 2008
 Outline


Block Diagram and Description on IBC
Interleaving CCM PFC controller-UCC28070
PWM Intermediate Bus Controller- UCC28230/1
Conclusions
Power Architecture Evolution-All Isolated Bricks
Distributed Power Architecture (DPA)
Traditional way of powering
telecom/datacom system boards

Uses all isolated bricks

Works well with a few voltage rails

As voltage rails increase, costs and