M56749FP datasheet(1/6 Pages) MITSUBISHI

Part #	M56749FP

Description	4 CHANNEL ACTUATOR MOTOR DRIVER

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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4 CHANNEL ACTUATOR MOTOR

DRIVER

M56749FP

MITSUBISHI <CONTROL / DRIVER IC>

DESCRIPTION

The M56749FP is a semiconductor integrated circuit designed for a

CD-ROM actuator driver.

This device can function 4 channel actuators by 1 chip due to

include 4 channel BTL drivers.

Also, this device include a mute circuit, a Vcc check circuit and

TSD function.

FEATURES

qLower saturation voltage.

(typical 1.35V at load current 500mA)

qWide supply voltage range.

(4.5V to 13.2V)

qLower cross-over distortion.

APPLICATION

CD-ROM

BLOCK DIAGRAM

PIN CONFIGURATION (TOP VIEW)

Outline 36P2R-D

36

33

34

35

1

4

3

2

32

5

31

6

28

9

27

10

26

11

25

12

13

14

24

23

7

8

30

29

15

22

16

21

17

20

18

19

Vctl1H

VM1(-)

VM1(+)

GND

VM2(+)

VM2(-)

Vctl2H

Vbs1

Mute3ch-

Vrefm-out

Mute4ch-

Vctl1L

Vctl2L

Vm1

Vcc

-Por

VM3(+)

VM3(-)

Vctl3(+)

Vbs2

Vm2

Vctl3(-)

Vref

Vrefm

GND

Vctl4H

VM4(-)

VM4(+)

SS . GND

Vctl4L

Mute3ch-

TSD

PGND (8PIN)

SS.GND

3ch

Vctl1L

VM1(+)

VM1(-)

VM2(-)

VM2(+)

Vctl2H

Vbs2

VM3(-)

VM3(+)

Vm2

Vctl4L

VM4(+)

VM4(-)

Vctl3(-)

Vctl3(+)

+

-

+

CH3

+

-

CH4

CH2

CH1

+

-

Vctl2L

Vctl1H

Vref

Vrefm

4ch

Vcc

-Por

- POR

Vm1 Vbs1

Mute4ch-

Vctl4H

Vm2

2

Vrefm-out

Mute on : Low or open

36

18

19

35

1

20

21

16

17

33

32

30

31

22

23

24

25

8

11 26

29

34

3

2

–

4

5

7

6

15

14

12

13

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

–

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M56749FP Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor

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