OM5193H

INTEGRATED CIRCUITS DATA SHEET OM5193H Disk drive spindle and VCM with servo controller Product specification File under Integrated Circuits, IC11 1998 Nov 02 Philips Semiconductors Product specification Disk drive spindle and VCM with servo controller CONTENTS 1 1.1 1.2 1.2.1 1.2.2 1.3 2 3 3.1 3.2 3.3 3.4 4 5 6 7 8 8.1 8.2 8.3 8.3.1 8.3.2 8.4 8.4.1 8.4.2 8.4.3 8.4.4 8.4.5 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15 8.16 8.17 8.17.1 8.17.2 8.18 FEATURES Servo control Motor control Spindle motor driver Voice coil motor driver Miscellaneous items APPLICATIONS GENERAL DESCRIPTION Overview Servo controller Spindle and voice coil motor Safety functions QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAMS PINNING FUNCTIONAL DESCRIPTION Serial interface Commutation and sleep mode Commutation control Blanks, Watchdog and Start-up delays Comdelim delay 10-bit ADC with 7 analog inputs Input channels Input ranges Conversion modes Programming register#0 Converter clock frequency values 10-bit VCM DAC Reference voltage Stand-alone op-amps Analog switch Charge pump voltage Spindle driver VCM driver Park the VCM Precharge the VCM Brake the motor Power-on reset Thermal monitor and shutdown Power supply isolation External isolation diode External power FET Thermal behaviour 9 10 11 12 13 14 15 15.1 15.2 15.3 15.4 16 17 LIMITING VALUES HANDLING OM5193H THERMAL CHARACTERISTICS CHARACTERISTICS APPLICATION INFORMATION PACKAGE OUTLINE SOLDERING Introduction Reflow soldering Wave sol...