DG-IRMCK203 Datasheet | International Rectifier

International Rectifier - 233 Kansas Street, El Segundo, CA 90245 ! IRMCK203 Application Developer’s Guide February 19, 2004 Version 1.0 IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105 Data and specifications subject to change without notice. 3/18/2004 IRMCK203 Application Developer’s Guide Table of Contents 1 Introduction............................................................................................................................................................... 5 1.1 Constraints......................................................................................................................................................... 5 1.2 Application Connections ................................................................................................................................... 5 2 Concepts.................................................................................................................................................................... 7 2.1 Regulators ......................................................................................................................................................... 7 2.1.1 Closed Loop Current Control.................................................................................................................... 7 2.1.2 Closed Loop Velocity Control .................................................................................................................. 7 2.1.3 Rotor Angle Estimation............................................................................................................................. 8 2.1.4 Start-Stop Sequencer and Fault Detection................................................................................................. 8 2.2 Current Feedbacks............................................................................................................................................. 8 2.2.1...