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4kW dsPIC33C Phase-Shifted Full-Bridge DC-DC Demonstration Application User Guide
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5
Description of Functional Blocks
Introduction
1
Demonstration Application Overview
2
Topology Selection Process
3
Theory of
Operation
4
Digital Control Implementation
5
Description of Functional Blocks
5.1
Input EMI Filter and Protection
5.2
Isolated Input Voltage Sense Circuit (PIC16F Based)
5.3
Phase-Shifted Full-Bridge
5.4
Transformer Current Measurement
5.5
Printed Circuit Board for 800V-12V 2700W PSFB-CDR
5.6
Active Snubber Operation
5.7
Output Filter
5.8
Auxiliary Supplies
5.9
Synchronous Rectifiers
5.10
Output Current Sensor and Short-Circuit Protection
5.11
PBV and CAN-FD Interface with PC
6
Plug/Drop-In Modules
7
Sockets
8
Appendix A. Schematics
9
Appendix B. Assembly
10
Appendix C. Layout
11
Appendix D. Bill of Materials
Microchip Information
5 Description of Functional Blocks
