DG-IRMCK203 Datasheet, PDF (2/67 Pages) International Rectifier – Application Developer’s Guide

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 Using IR2175 ............................................................................................................................................ 8
2.2.2 Using Inverter Leg Shunt .......................................................................................................................... 8
2.3 Communication ................................................................................................................................................. 8
2.3.1 RS-232 Serial Interface ............................................................................................................................. 8
2.3.2 SPI Interface.............................................................................................................................................. 9
2.3.3 Host Parallel Interface ............................................................................................................................... 9
2.3.4 Synchronization of PWM Cycle to an External Microprocessor ............................................................ 10
2.4 External Interfaces .......................................................................................................................................... 10
2.4.1 Discrete I/O External Interface................................................................................................................ 10
2.4.2 Analog I/O Interface................................................................................................................................ 11
2.5 Sequencing Control......................................................................................................................................... 13
2.6 Fault Handling................................................................................................................................................. 14
2.6.1 Gatekill Structure and Overcurrent/Overtemperature Fault .................................................................... 15
2.6.2 DC Bus Faults and DC Bus Braking ....................................................................................................... 15
2.7 LED Modes ..................................................................................................................................................... 16
3 Motor Start-up Supporting Tools ............................................................................................................................ 17
3.1 Start-up Flow................................................................................................................................................... 17
3.1.1 Drive Parameter Setup ............................................................................................................................ 17
3.1.2 Evaluating Drive Performance ................................................................................................................ 24
3.1.3 Diagnostic Mode Functions .................................................................................................................... 25
3.1.4 Miscellaneous Functions ......................................................................................................................... 28
3.2 Standalone Operation and Register Initialization via Serial EEPROM .......................................................... 31
3.2.1 Register Initialization via EEPROM ....................................................................................................... 31
3.2.2 Starting and Stopping the Motor ............................................................................................................. 32
3.2.3 Fault Processing ...................................................................................................................................... 32
4 Reference ................................................................................................................................................................ 33
4.1 Register Access ............................................................................................................................................... 33
4.1.1 Host Parallel Access................................................................................................................................ 33
4.1.2 SPI Register Access ................................................................................................................................ 33
4.1.3 RS-232 Register Access .......................................................................................................................... 33
4.2 Write Register Definitions .............................................................................................................................. 38
4.2.1 PwmConfig Register Group (Write Registers)........................................................................................ 38
4.2.2 CurrentFeedbackConfig Register Group (Write Registers) .................................................................... 39
4.2.3 SystemControl Register Group (Write Registers) ................................................................................... 40
4.2.4 TorqueLoopConfig Register Group (Write Registers)............................................................................ 40
4.2.5 VelocityControl Register Group (Write Registers)................................................................................. 41
4.2.6 FaultControl Register Group (Write Registers) ...................................................................................... 42
4.2.7 SystemConfig Register Group (Write Registers) .................................................................................... 43
4.2.8 EepromControl Registers (Write Registers)............................................................................................ 44
4.2.9 ClosedLoopAngleEstimator Registers (Write Registers)........................................................................ 45
4.2.10 OpenLoopAngleEstimator Registers (Write Registers) .......................................................................... 46
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