DG-IRMCK203 Datasheet, PDF (3/67 Pages) International Rectifier – Application Developer’s Guide

IRMCK203 Application Developer’s Guide
4.2.11 StartupAngleEstimator Registers (Write Registers)................................................................................ 46
4.2.12 StartupRetrial Registers (Write Registers) .............................................................................................. 47
4.2.13 PhaseLossDetect Registers (Write Registers) ......................................................................................... 49
4.2.14 D/AConverter Registers (Write Registers).............................................................................................. 49
4.2.15 Factory Test Register (Write Register).................................................................................................... 50
4.3 Read Register Definitions ............................................................................................................................... 51
4.3.1 SystemStatus Register Group (Read Registers) ...................................................................................... 51
4.3.2 DcBusVoltage Register Group (Read Registers) .................................................................................... 51
4.3.3 FocDiagnosticData Register Group (Read Registers) ............................................................................. 52
4.3.4 FaultStatus Register Group (Read Registers).......................................................................................... 53
4.3.5 VelocityStatus Register Group (Read Registers) .................................................................................... 54
4.3.6 CurrentFeedbackOffset Register Group (Read Registers) ...................................................................... 55
4.3.7 EepromStatus Registers (Read Registers) ............................................................................................... 55
4.3.8 FOCDiagnosticDataSupplement Register Group (Read Registers) ........................................................ 56
4.3.9 ProductIdentification Registers (Read Registers) ................................................................................... 57
4.3.10 Factory Register (Read Register) ............................................................................................................ 57
Appendix A Space Vector PWM Module................................................................................................................... 58
SVPWM Basic Theory and Transfer Characteristics.................................................................................................. 58
PWM Operation .......................................................................................................................................................... 60
PWM Carrier Period ................................................................................................................................................... 61
Deadtime Insertion Logic............................................................................................................................................ 61
Symmetrical and Asymmetrical Mode Operation ....................................................................................................... 61
Three-Phase and Two-Phase Modulation ................................................................................................................... 62
Appendix B IR2175 Current Sensing.......................................................................................................................... 64
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