SPINDLE MOTOR AND 5CH ACTUATOR DRIVER

M63022FP

MITSUBISHI SEMICONDUCTOR (LSI)

DESCRIPTION

This M63022FP is 1 chip driver IC for spindle motor and 5 channel

actuators. All of the motor and actuator of optical disk drive system

(CD-ROM etc.) can be drived by only this IC.

This IC has a direct PWM control system for Spindle and Slide

channels drive due to reducing IC power dissipation.

This IC has three voltage supply terminals (for Spindle,

Slide,Focus/Tracking and Loading) , and three voltage supply can

be set separately.

Further more this IC has short braking select function,FG amplifier,

thermal shut down circuit, standby circuit, reverse rotation detect

circuit.

APPLICATION

CD-ROM, DVD, DVD-ROM, DVD-RAM ,Optical disc related

system,etc

PIN CONFIGURATION (TOP VIEW)

Outline 42P9R-K/B

BLOCK DIAGRAM

42

39

40

41

1

4

3

2

38

5

37

6

34

9

33

10

32

11

31

12

13

14

30

29

7

8

36

35

15

28

16

27

17

26

18

25

19

20

24

23

21

22

SL1IN

SL2IN

VM2

RSL2

SL2+

SL2-

GND

RSL1

SL1+

SL1-

GND

W

V

U

RSP

Hw-

Hw+

Hv-

Hv+

Hu-

Hu+

OSC

5VCC

MU1

VM3

LOIN+

FO-

FO+

TO+

TO-

GND

LO-

LO+

HB

GND

FOIN

TOIN

SPIN

REF

FG

BRS

VM1

FG

Reverse

Detect

120

˚

MATRIX

CTL

amp.

Current

comp.

Direction

comp.

CTL

amp.

Current

comp.

Direction

comp.

Logic

BIAS

TSD

FG

HU+

HU-

HV+

HV-

HW+

HW-

REF

SPIN

SL1IN

TOIN

FOIN

MU1

s

s

s

OSC

Frequency

generator

VM1

X12

Regulator

Reg

X12

Logic

s

Current

comp.

Direction

comp.

SL2IN

LO+

LO-

BRS

LOIN+

X8

5V power supply

CTL

amp.

VM3

Hall Bias