Features - Fujitsu MB9B100A Series User Manual

DC Bus
1.2

Features

This reference board is consisted with three parts named as power board, DC-Link board
and inverter board. The key features of the reference board are listed as below:
Power board:

90V~265VAC input compatible.

Four channels of power supply rails: 15V for IPM and PFC module, 5V for MCU
system, 5V for isolation chip, 5V for cooling fans.

90V~265VAC output went through line filter.
PFC stage of Inverter board:

Maximum input voltage 90 V~265 VAC.

Adapt PFC module includes rectifier bridge, fast recovering diode, IGBT.

VAC input voltage sensing.
PFC Output
Figure 1-1: System Block Diagram
7
AN706-00042-1v0-E
AC Main
Supply