Fairchild Semiconductor FAN8035 Datasheet

FAN8035

6-CH Motor Driver

www.fairchildsemi.com

Features

• 5-CH Balanced Transformerless (BTL) Driver

• 1-CH (Forward Reverse) Control DC Motor Driver

• Operating Supply Voltage (4.5 V ~ 13.2 V)

• Built in Thermal Shut Down Circuit (TSD)

• Built in Channel Mute Circuit

• Built in Power Save Mode Circuit

• Built in TSD Monitor Circuit

• Built in 2-OP AMPs

Description

The FAN8035 is a monolithic integrated circuit suitable for a 6-CH motor driver which drives the tracking actuator, focus actuator, sled motor, spindle motor, and tray motor of the CDP/CAR-CD/DVDP systems.

48-QFPH-1414

Typical Application

• Compact Disk Player

• Video Compact Disk Player

• Car Compact Disk Player

• Digital Video Disk Player

Ordering Information

Device Package Operating Temperature

FAN8035 48-QFPH-1414 -35°C ~ +85°C

FAN8035L 48-QFPH-1414 -35°C ~ +85°C

note

FAN8035_NL

Note:

NL : Lead free Type

48-QFPH-1414 -35°C ~ +85°C

Rev. 1.0.4

FAN8035

Pin Assignments

IN1−

OUT1

IN2+

IN2−

OUT2

IN3+

FIN

(GND)

IN3−

OUT3

IN4+

FIN

OPIN1+

OPIN1−

OPOUT1

SVCC

IN1+

48 47 46 45 44 43 42 41 40 39 38 37

1

2

3

4

5

6

(GND)

VREF

OPIN2−

OPIN2+

OPOUT2

FAN8035

7

8

9

PS

PVCC1

DO1+

DO1−

36

35

DO2+

DO2−

34

PGND1

33

32

DO3+

31

DO3−

FIN

(GND)

30

DO4+

29

DO4−

28

DO5+

IN4−

OUT4

IN5+

10

11

12

13 14 15 16 17 18 19 20 21 22 23 24

(GND)

IN5−

CTL

OUT5

FWD

REV

FIN

SGND

MUTE12

MUTE5

MUTE34

TSD-M

PVCC2

27

DO5−

PGND2

26

DO6+

25

DO6−

2

Pin Definitions

Pin Number Pin Name I/O Pin Function Description

1 IN1- I CH1 OP-AMP Input (-)

2 OUT1 O CH1 OP-AMP Output

3 IN2+ I CH2 OP-AMP Input (+)

4 IN2- I CH2 OP-AMP Input (-)

5 OUT2 O CH2 OP-AMP Output

6 IN3+ I CH3 OP-AMP Input (+)

7 IN3- I CH3 OP-AMP Input (-)

8 OUT3 O CH3 OP-AMP Output

9 IN4+ I CH4 OP-AMP Input (+)

10 IN4- I CH4 OP-AMP Input (-)

11 OUT4 O CH4 OP-AMP Output

12 IN5+ I CH5 OP-AMP Input (+)

13 IN5- I CH5 OP-AMP Input (-)

14 OUT5 O CH5 OP-AMP Output

15 CTL I CH6 Motor Speed Control

16 FWD I CH6 Forward Input

17 REV I CH6 Reverse Input

18 SGND - Signal Ground

19 MUTE12 I Mute For CH1,2

20 MUTE34 I Mute For CH3,4

21 MUTE5 I Mute For CH5

22 TSD-M O TSD Monitor

23 PVCC2 - Power Supply Voltage 2 (For CH5, CH6)

24 DO6- O CH6 Drive Ouptut (-)

25 DO6+ O CH6 Drive Output (+)

26 PGND2 - Power Ground 2 (FOR CH5, CH6)

27 DO5- O CH5 Drive Ouptut (-)

28 DO5+ O CH5 Drive Output (+)

29 DO4- O CH4 Drive Ouptut (-)

30 DO4+ O CH4 Drive Output (+)

31 DO3- O CH3 Drive Ouptut (-)

32 DO3+ O CH3 Drive Output (+)

FAN8035

3

FAN8035

Pin Definitions (Continued)

Pin Number Pin Name I/O Pin Function Description

33 PGND1 - Power Ground 1 (FOR CH1, CH2, CH3, CH4)

34 DO2- O CH2 Drive Ouptut (-)

35 DO2+ O CH2 Drive Output (+)

36 DO1- O CH1 Drive Ouptut (-)

37 DO1+ O CH1 Drive Output (+)

38 PVCC1 - Power Supply Voltage 1 (FOR CH1, CH2, CH3, CH4)

39 PS I Power Save

40 OPOUT2 O Normal OP-AMP2 output

41 OPIN2- I Normal OP-AMP2 Input (-)

42 OPIN2+ I Normal OP-AMP2 Input (+)

43 VREF I Bias Voltage Input

44 SVCC - Signal & OPAMPs Supply Voltage

45 OPOUT1 O Normal OP-AMP1 Output

46 OPIN1- I Normal OP-AMP1 Input (-)

47 OPIN1+ I Normal OP-AMP1 Input (+)

48 IN1+ I CH1 OP-AMP Intput (+)

4

Internal Block Diagram

IN1+

OPIN1+

OPIN1−

OPOUT1

SVCC

VREF

FIN

(GND)

OPIN2+

OPIN2−

OPOUT2

PS

PVCC1

FAN8035

DO1+

373839404142434445464748

IN1−

OUT1

IN2+

IN2−

OUT2

IN3+

FIN

(GND)

IN3−

OUT3

IN4+

IN4−

1

2

−

+

−

3

4

+

−

+

−

+

−

5

−

6

+

−

+

−

T. S. D

7

+

−

8

9

+

−

+

−

10

−

+

−

+

−

+

−

POWER SAVE

36

35

34

33

32

31

30

29

28

27

DO1−

DO2+

DO2−

PGND1

DO3+

DO3−

FIN

(GND)

DO4+

DO4−

DO5+

DO5−

OUT4

11

IN5+

12

13 14 15 16 17 18 19 20 21 22 23 24

OUT5

IN5−

Note.

Detailed circuit of the output power amp

From input opamp

CTL

FWD

10K

10K Pref

Vref

10K

Pref1 is almost PVCC1 / 2

Pref2 is almost PVCC2 / 2

REV

40K

D

SGND

W

S

(GND)

M S C

MUTE12

+

−

MUTE34

D

MUTE34

MUTE5

TSD-M

TSD-M PVCC2 DO6−

MUTE5

26

25

PGND2

DO6+

FIN

40K

−

+

−

DO+

DO-

40K

5

FAN8035

Equivalent Circuits

Description Pin No Internal Circuit

VCC VCC

BTL INPUT

&

1,4,7,10,13,46 3,6,9,12,47,48

OP-AMP1 INPUT

OP-AMP2 INPUT 41,42

9 12

47 48

2K 2K

6 3

VCC

5K 5K

VCC

4 1

7 10

13 46

41 42

VCC VCC

5K

1K

VREF 43

BTL OP-AMP OUT

&

OP-AMP1 OUT

2,5,8,11,14,45

43

1K

VCC VCC

5

2

11

8

45

14

6