CERAMATE CMD4504

C M D4504
5-CH Motor Drive IC
Features
Descriptions
l 2-CH
l 2-CH
l 1-CH
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.
BTL driver
BTL driver with current feedback
forward/reverse control DC motor
driver
l Built-in motor speed control circuit
l Built-in TSD (thermal shut down) circuit
l Built-in mute circuit
l Operating supply voltage (4.5V~13.2V)
Internal Block Diagram
VOFC- VOFC+ VOTK- VOTK+ VCC2
28
27
26
25
24
MUTE
23
BIAS
22
VINSP VINSL VCC1
21
20
19
VCC1
VCC2
PGND
Stand
by
Actuator
Driver
Sled
Driver
Thermal
Shut Down
Actuator
Driver
VOSL+ VOSL- VOSP+ VOSP18
17
16
15
Spindle
Driver
20K
20K
10K
10K
7.5K
7.5K
7.5K
7.5K
Det Amp
20K
Det Amp
20K
Pre-DRV
TRAY
DRIVER
PGND GND
10K
10K
1
2
3
4
5
6
7
VINFC CFCerr1 CFCerr2 VNFFC VNFTK CTKerr1 CTKerr2
8
GND
9
10
VINTK VCTL
11
FWD
12
REV
13
14
VOTR+ VOTR-
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 1 of 6
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 May 22, 2003
C M D4504
5-CH Motor Drive IC
Pin Assignments
VOFC- VOFC+ VOTK- VOTK+ VCC2
28
27
26
25
24
MUTE
BIAS
23
22
VINSP VINSL VCC1
21
20
19
VOSL+ VOSL- VOSP+ VOSP17
16
15
18
CMD4504
1
2
3
4
5
6
7
VINFC CFCerr1 CFCerr2 VNFFC VNFTK CTKerr1 CTKerr2
8
9
10
11
12
GND
VINTK
VCTL
FWD
REV
13
14
VOTR+ VOTR-
Pin Definitions
NO SYMBOL
1
VINFC
2
CRCerr1
3
CRCerr2
4
VNFFC
FUNCTION
NO
Input for focus driver
15
Connection of capacitor for the
16
error amp filter
Connection of capacitor for the
17
error amp filter
Focus driver feedback pin
18
5
VNFTK
Input for tracking driver
6
CTKerr1
7
CTKerr2
8
9
GND
VINTK
10
VCTL
11
12
13
14
FWD
REV
VOTR+
VOTR-
19
Connection of capacitor for the
20
error amp filter
Connection of capacitor for the
21
error amp filter
Ground
22
Feedback for tracking driver
23
Speed control input of tray
24
driver
Tray driver forward input
25
Tray driver reverse input
26
Tray driver output (+)
27
Tray driver output (-)
28
SYMBOL
FUNCTION
VOSPSpindle driver output (-)
VCC1
VOSP+
Spindle driver output (+)
VOSL-
Sled driver output (-)
VOSL+
Sled driver output (+)
Vcc for pre-driver block and
power block of sled and tray
VINSL
OPAMP input for the sled driver
VINSP
Input for spindle driver
BIAS
MUTE
Input for reference voltage
Input for mute control
Vcc for power block of spindle,
tracking and focus
Tracking driver output (+)
Tracking driver output (-)
Focus driver output (+)
Focus driver output (-)
VCC2
VOTK+
VOTKVOFC+
VOFC-
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 2 of 6
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 May 22, 2003
C M D4504
5-CH Motor Drive IC
Absolute Maximum Ratings (Ta=25℃)
CHARACTERISTICS
SYMBOL
VALUE
UNIT
VCC max
18
V
Pd
2.5*
W
Operating temperature
Topr
-35~+85
℃
Storage temperature
Tstg
-55~+150
℃
Maximum supply voltage
Power dissipation
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 (mW)
Power Dissipation Curve
3
2
1
0
25
50
75
100
125
175
150
Ambient Temperature ( )
Recommended Operating Conditions
CHARACTERISTICS
SYMBOL
VALUE
UNIT
Supply voltage
VCC1
4.5~13.2
V
Supply voltage
VCC2
4.5~13.2
V
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 3 of 6
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 May 22, 2003
C M D4504
5-CH Motor Drive IC
Electrical Characteristics
(VCC1=8V, VCC2=5V, f=1kHz, RL =8Ω, Rs =0.5Ω, Ta=25℃ unless otherwise specified.)
CHARACTERISTICS
SYMBOL
Quiescent circuit current
Icc
CONDITIONS
MIN
TYP
MAX
UNIT
No load
-
15
-
mA
All mute in current
Iamute
Pin23=GND
-
-
4
mA
All mute on voltage
Vamon
Pin23=variation
-
-
0.5
V
All mute off voltage
Vamoff
Pin23=variation
2.0
-
-
V
Reference mute on voltage
Vrmon
Pin23=variation
-
-
0.5
V
Reference mute off voltage
Vrmoff
Pin23=variation
2.0
-
-
V
Pin1=Pin9=Pin22=Vref
-
0
-
mA
[ ACTUATOR PART (CH4,CH5)]
Output offset current
Ioo
Maximum output voltage 45
Vom45
Vcc2=5V, RL= 8Ω
-
3.8
-
V
Transmission gain 45
Gm45
Vin=0.1Vrms, f=1kHz
-
1.5
-
A/V
-100
-
+100
mV
-
6.0
-
V
[ SPINDLE,SLED PART (CH2,CH3)]
Output offset voltage 23
Voo23
Vin=Vref
Maximum output voltage 23
Vom23
Vcc1=8V,RL=12Ω
Closed-loop voltage gain 23
Avf23
Vin=0.1Vrms, f=1kHz
16
18
20
dB
Slew rate 23
SR23
Vout=4.0 Vpp, Square
-
1.5
-
V/uS
Ripple rejection ratio 23
RR23
Vin=0.1Vrms, f=120Hz
50
60
-
dB
Input high level voltage
Vih
-
2.0
-
-
V
Input low level voltage
Vil
-
-
-
0.5
V
Output voltage
Vo
Vcc=8V, RL=45Ω
Pin10=open
-
6
-
V
CTL to output transfer gain
Gv
Vcc=8V, RL=45Ω
Pin10=3~4V
-
1
-
V/V
Output offset voltage 1
Voo1
Pin11=Pin12=5V
-50
+50
mV
Output offset voltage 2
Voo2
Pin11=Pin12=0V
-50
+50
mV
[ TRAY DRIVE PART (CH1)]
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 4 of 6
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 May 22, 2003
C M D4504
5-CH Motor Drive IC
Application Circuit
Focus
Actuator
Focus
Actuator
Sled Motor
R1
28
Spindle Motor
R2
27
26
25
24
23
21
22
20
VCC2
18
16
15
PGND
Thermal
Shut down
Actuator
Driver
17
VCC1
Stand
by
Actuator
Driver
19
Sled
Driver
20K
Spindle
Driver
20K
10K
7.5K
Det Amp
20K
Det Amp
20K
7.5K
Pre-DRV
3
2
R3
C1
4
5
6
TRAY
DRIVER
PGND
GND
10K
10K
1
10K
7.5K
7.5K
7
8
9
10
11
12
13
14
R4
C2
Motor Loading
VCTL FWD REV Focus Tracking Sled VREF
Spindle
Stand-by
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 5 of 6
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 May 22, 2003
C M D4504
5-CH Motor Drive IC
Mechanical Dimensions
Package
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 6 of 6
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 May 22, 2003