CMD4504

5-CH Motor Drive IC

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 1 of 6

Rev 1.0 May 22, 2003

Features Descriptions

2-CH BTL driver

2-CH BTL driver with current feedback

1-CH forward/reverse control DC motor
driver

Built-in motor speed control circuit

Built-in TSD (thermal shut down) circuit

Built-in mute circuit

Operating supply voltage (4.5V~13.2V)

The CMD4504 is a 5CH motor driver for
CD-p/VCD/DVD systems. It is composed of
2-CH BTL driver, 2-CH driver with current
feedback and 1-CH forward/reverse control
DC motor driver.

Internal Block Diagram

20K

10K

7.5K

10K

20K

7.5K

VCC2

20K

7.5K

PGND

20K

10K

VCC1

Spindle

Driver

Actuator

Driver

Actuator

Driver

Sled

Driver

TRAY

DRIVER

Pre-DRV

VOSP-

VOSP+

VOFC-

VOSL-

VOFC+

VOSL+

VOTK-

VCC1

VOTK+

VINSL

VCC2

VINSP

MUTE

BIAS

VINFC CFCerr1 CFCerr2 VNFFC VNFTK CTKerr1 CTKerr2

GND

VINTK VCTL

FWD

REV

VOTR+ VOTR-

Stand

Thermal

PGND GND

Shut Down

Det

Amp

Det

Amp

CMD4504

5-CH Motor Drive IC

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 2 of 6

Rev 1.0 May 22, 2003

Pin Assignments

Pin Definitions

VOSP-

VOSP+

VOSL-

VOSL+

VCC1

VINSL

VINSP

BIAS

MUTE

VCC2

VOTK+

VOTK-

VOFC+

VOFC-

CMD4504

10 11 12 13 14

VINFC

CFCerr1 CFCerr2 VNFFC

VNFTK CTKerr1 CTKerr2 GND VINTK VCTL FWD REV VOTR+ VOTR-

NO SYMBOL

FUNCTION

NO SYMBOL

FUNCTION

VINFC

Input for focus driver

15 VOSP-

Spindle driver output (-)

CRCerr1 Connection of capacitor for the

error amp filter

16 VOSP+

Spindle driver output (+)

CRCerr2 Connection of capacitor for the

error amp filter

17 VOSL-

Sled driver output (-)

VNFFC

Focus driver feedback pin

18 VOSL+

Sled driver output (+)

VNFTK

Input for tracking driver

19 VCC1

Vcc for pre-driver block and

power block of sled and tray

CTKerr1 Connection of capacitor for the

error amp filter

20 VINSL

OPAMP input for the sled driver

CTKerr2 Connection of capacitor for the

error amp filter

21 VINSP

Input for spindle driver

GND

Ground

22 BIAS

Input for reference voltage

VINTK

Feedback for tracking driver

23 MUTE

Input for mute control

10 VCTL

Speed control input of tray

driver

24 VCC2

Vcc for power block of spindle,

tracking and focus

11 FWD

Tray driver forward input

25 VOTK+

Tracking driver output (+)

12 REV

Tray driver reverse input

26 VOTK-

Tracking driver output (-)

13 VOTR+

Tray driver output (+)

27 VOFC+

Focus driver output (+)

14 VOTR-

Tray driver output (-)

28 VOFC-

Focus driver output (-)

CMD4504

CH Motor Drive IC

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525 Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 3 of 6

Rev 1.0 May 22, 2003

Absolute Maximum Ratings (Ta=25

)

CHARACTERISTICS SYMBOL VALUE UNIT

Maximum supply voltage VCC max 18 V

Power dissipation Pd 2.5* W

Operating temperature Topr -35~+85

Storage temperature Tstg -55~+150

Note:
1. When mounted on 50mm * 50mm * 1mm PCB (Phenolic resin material).
2. Power dissipation reduces 20mW/

for using above Ta=25

3. Do not exceed Pd and SOA

Power Dissipation Curve

Recommended Operating Conditions

CHARACTERISTICS SYMBOL VALUE UNIT

Supply voltage VCC1 4.5~13.2 V

Supply voltage VCC2 4.5~13.2 V

100

125

150

Ambient Temperature ( )

175

issipa

tion

(mW)

CMD4504

5-CH Motor Drive IC

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 4 of 6

Rev 1.0 May 22, 2003

Electrical Characteristics

(VCC1=8V, VCC2=5V, f=1kHz, RL =8

, Rs =0.5

, Ta=25

unless otherwise specified.)

CHARACTERISTICS

SYMBOL

CONDITIONS

MIN TYP MAX UNIT

Quiescent circuit current

Icc

No load

All mute in current

Iamute

Pin23=GND

All mute on voltage

Vamon

Pin23=variation

0.5

All mute off voltage

Vamoff

Pin23=variation

2.0

Reference mute on voltage

Vrmon

Pin23=variation

0.5

Reference mute off voltage

Vrmoff

Pin23=variation

2.0

[ ACTUATOR PART (CH4,CH5)]

Output offset current

Ioo

Pin1=Pin9=Pin22=Vref

Maximum output voltage 45

Vom45

Vcc2=5V, RL= 8

3.8

Transmission gain 45

Gm45

Vin=0.1Vrms, f=1kHz

1.5

A/V

[ SPINDLE,SLED PART (CH2,CH3)]

Output offset voltage 23

Voo23

Vin=Vref

-100

+100

Maximum output voltage 23

Vom23

Vcc1=8V,RL=12

6.0

Closed-loop voltage gain 23

Avf23

Vin=0.1Vrms, f=1kHz

Slew rate 23

SR23

Vout=4.0 Vpp, Square

1.5

V/uS

Ripple rejection ratio 23

RR23

Vin=0.1Vrms, f=120Hz

[ TRAY DRIVE PART (CH1)]

Input high level voltage

Vih

2.0

Input low level voltage

Vil

0.5

Output voltage

Vcc=8V, RL=45

Pin10=open

CTL to output transfer gain

Vcc=8V, RL=45

Pin10=3~4V

V/V

Output offset voltage 1

Voo1

Pin11=Pin12=5V

-50

+50

Output offset voltage 2

Voo2

Pin11=Pin12=0V

-50

+50

CMD4504

5-CH Motor Drive IC

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 5 of 6

Rev 1.0 May 22, 2003

Application Circuit

20K

10K

7.5K

10K

20K

7.5K

VCC2

20K

7.5K

PGND

20K

10K

VCC1

Spindle

Driver

Actuator

Driver

Actuator

Driver

Sled

Driver

TRAY

DRIVER

Pre-DRV

VCTL FWD REV

Stand

Thermal

PGND

GND

Sled Motor

Focus Tracking Sled VREF

Spindle

Stand-by

Focus

Actuator

Focus

Actuator

Spindle Motor

Motor Loading

Det

Amp

Det

Amp

Shut down

Электронный компонент: CMD4504