OM5193 데이터 시트보기 (PDF) - Philips Electronics

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OM5193

Disk drive spindle and VCM with servo controller

Philips Electronics 

Philips Semiconductors

Disk drive spindle and VCM with

servo controller

Product specification

OM5193H

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

LIMITING VALUES

10

HANDLING

11

THERMAL CHARACTERISTICS

12

CHARACTERISTICS

13

APPLICATION INFORMATION

14

PACKAGE OUTLINE

15

SOLDERING

15.1

Introduction

15.2

Reflow soldering

15.3

Wave soldering

15.4

Repairing soldered joints

16

DEFINITIONS

17

LIFE SUPPORT APPLICATIONS

1998 Nov 02

2

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