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MITSUBISHI
M56753FP
2-CHANNEL ACTUATOR MOTOR DRIVER
DESCRIPTION
The M56753FP is a semiconductor IC developed as the motor driver used DVD, DVD-ROM, CD-ROM and CD Player. This device include 2 channel BTL drivers and can drive 2 actuators with one IC at the same time. Also, the mute circuit, thermal protection circuit and VREF voltage monitor circuit functions are included.
PIN CONFIGURATION (TOP VIEW)
VBS1 VCC1 ININ+ OPOUT 1 2 3 4 5 6 7 8 9 GND 10 11 12 36 35 34 33 32 31 30 29 28 GND 27 26 25 24 23 22 21 20 19 VM2CTL2OUT CTL2+ CTL2N.C N.C VBS2 VCC2 MUTE1 MUTE2A MUTE2B VM2+
FEATURES
qLow output saturation voltage (typ. 1.35V at 0.5A). qWide operating supply voltage range (4.5 to 15V). qHigh current drive capability (maximum 0.9A). qLow crossover distortion. qHigh frequency capability.
VM1+
M56753FP
APPLICATION
DVD, DVD-ROM CD-ROM, CD PLAYER
VM1CTL1OUT CTL1+ CTL1TSDS VREF
13 14 15 16 17 18
Outline 36P2R-D
N.C : no connection
BLOCK DIAGRAM
OPOUT 5 IN+ IN4 3 CTL+ CTL1- CTL1OUT 15 16 14 VM1+ 6 CH1 + A3 + A1 x5 5k GND 7 5k 5k x5 5k VBS2 - VBS2 25k PA 25k + 25k PA 25k + VM113 VCC1 MUTE1 34 H : Mute On L or Open : Mute Off VCC1 CH1 MUTE 12v VBS1 12v 1 2
VCC1 2 -0.35V
+
-
25k PA 25k CH2 18 VREF 22 21 23 31 VM2+
25k PA 25k VCC 2 24 VM233
CTL2+ CTL2- CTL2OUT
+
-
+
30
-
-
12 + 1.4V 25 GND A2 5k x5 5k 5k x5 5k VCC 2 2 -0.35V CH2 MUTE
TSD VBS2 12v 36 VCC2 H,H Mute ON 12v 35
-
32
17 TSDS
MUTE2A MUTE2B
MITSUBISHI
M56753FP
2-CHANNEL ACTUATOR MOTOR DRIVER
PIN DESCRIPTIONS
Pin No.
1 2 3 4 5 6 7
to
13 14 15 16 17 18
12
Symbol VBS1 VCC1 ININ+ OPOUT VM1+ GND VM1CTL1OUT CTL1+ CTL1TSDS VREF
Function Bootstrap power supply 1 Power supply 1 Op-Amp. inverted input Op-Amp. non-inverted input Op-Amp. output CH1 Amp. non-inverted output GND CH1 Amp. inverted output CH1 input Amp. output CH1 Amp. non-inverted input CH1 Amp. inverted input Thermal monitor Reference voltage input
Pin No.
19 20 21 22 23 24 25
to
31 32 33 34 35 36
30
Symbol N.C N.C CTL2CTL2+ CTL2OUT VM2GND VM2+ MUTE2B MUTE2A MUTE1 VCC2 VBS2
Function
CH2 Amp. inverted input CH2 Amp. non-inverted input CH2 input Amp. output CH2 Amp. inverted output GND CH2 Amp. non-inverted output CH2 mute B CH2 mute A CH1 mute Power supply 2 Bootstrap power supply 2
ABSOLUTE MAXIMUM RATINGS (Ta=25C)
Symbol VBS VCC IO Vin Pd K Tj Topr Tstg Parameter Conditions 1 , 36 pins Bootstrap Power Supply 2 , 35 pins Power Supply Output Current VCC=VBS=12V Maximum Input Voltage of each Terminals 3 , 4 , 15 , 16 , 18 , 21 , 22 , 32 , 33 and 34 pins With infinite heatsink Power Dissipation With infinite heatsink Thermal Derating Junction Temperature Operating Temperature Storage Temperature Ratings 15 15 900 0 - Vcc 4.5 27.8 150 -20 - +75 -40 - +150 Unit V V mA V W C/W C C C
RECOMMENDED OPERATING CONDITIONS
Symbol VCC1,2 VBS1,2 Parameter Power Supply Bootstrap Power Supply Min. Limits Typ. 12 VCC+1 Max. Unit V V
MITSUBISHI
M56753FP
2-CHANNEL ACTUATOR MOTOR DRIVER
ELECTRICAL CHARACTERISTICS (Ta=25C, Vcc1=Vcc2=VBS2=12V, Load=0, unless otherwise noted)
Symbol ICC1 ICC2 ICC3 VSAT1 VSAT2 VOFS1 VOFS2 GAIN VMUTE ON VMUTE OFF IMUTE VCTLIN VCTLOUT VA3IN VA3OUT VA3OFS VREFS VREF1 Parameters Power Supply Current-1 (at Enable condition) Power Supply Current-2 (at Mute condition) Power Supply Current-3 Output saturation voltage Output saturation voltage (at Bootstrap) Output Amp. Offset voltage 1 Output Amp. Offset voltage 2 Voltage Gain between input and output Mute ON voltage Mute OFF current Mute input current CTL Amp. Input voltage range CTL Amp. Output voltage range A3 Amp. Input voltage range A3 Amp. Output voltage range A3 Amp. Offset voltage VREF Monitor Voltage VREF Input current MUTE1=MUTE2A=MUTE2B=5V A1 and A2 Amps. A1 and A2 Amps. Load=0 Load=0 Load=0 When VREF voltage is under this values, M56753FP makes the Bias shut off. VREF=2.5V 1.25VVCTL3.75V 190 1.5 1.0 0 1.0 -5 1.4 -1 -0.37
1
Test conditions ,
2
Min.
Limits Typ. 1.0 4.5 23 1.35
Max. 2.0 7.0 37 1.9 1.0 +27 +78
Unit mA mA mA V V mV mV dB V
, 35 ,
36
pins current at VREF=0.
1 , 2 , 35 , 36 pins current at VREF=VCTL=2.5V, MUTE=5V. 1 , 2 , 35 , 36 pins current at VREF=VCTL=2.5V, MUTE=0V.
Top and Bottom power Transistors saturation voltage (at Io=0.5A). VREF=VCTL=2.5V, VCC=VBS=5V (CTL Amp.=buffer.) VREF=VCTL=2.5V, VCC=VBS=12V (CTL Amp.=buffer.) {VM(+)-VM(-)} (VCTL-VREF) (CTL Amp.=buffer.)
0.7 -27 -78 19.1 2.0 20
20.8
CH2 is Mute-ON mode when MUTE2A=H and MUTE2B=H condition.
0.8 250 VBS-1.2 VBS-1.0 VBS-1.9 VBS-1.0 +5 1.8 0.1
V A V V V V mV V mA
CH1 and CH2 Input and Output Characteristics
Input VREF (2.5V) VM+ 0.5V
Non-inverted Amp. (Gain = 5.0 times) VREF Reference Voltage VREFM =5.65V +
CTL+ R CTLInput R CTLOUT +
+
VM1VMVREFM (5.65V) 2.5V 2.5V
VM1+
Inverted Amp. (Gain = 5.0 times)
MITSUBISHI
M56753FP
2-CHANNEL ACTUATOR MOTOR DRIVER
TYPICAL CHARACTERISTICS
Output saturation voltage-Load Current Characteristics. VBS=VCC=12V No-Bootstrap condition : VBS=13V, VCC=12V Bootstrap condition : (V) 12 0.07 0.15 0.23 0.31
Top side saturation voltage Top side saturation voltage at Bootstrap condition
0.40 1.00 1.05
11 Output voltage
0.84
0.89
0.95
2
The voltage range that is able to drive a motor.
1 0.06 100 0.12 200 0.18 300 0.24 400 0.30
Bottom side saturation voltage
500
(mA)
Frequency Characteristics
(dB) 40 GAIN 20 GAIN 0 PHASE -20 -90 0 90 (deg) 180 PHASE
-40 0.03 0.06 0.1 0.3 0.6 1 3 6 10 FREQUENCY
30 60 100
300 600 (KHz)
-180
Themal Derating
(W) 5.0
4.5
With infinite heatsink
Power dissipation (Pd)
4.0 Without heatsink 3.0 2.0
1.2
1.0 0 25 50 75 100 125
Ambient temperature (Ta)
150 (C)
MITSUBISHI
M56753FP
2-CHANNEL ACTUATOR MOTOR DRIVER
APPLICATION CIRCUIT This show the 4 actuators drive circuit using two M56753FP.
12V
DSP
M
OPOUT
VM1+
VBS1 VCC1 VCC2 VBS2
A3
PA
VM2+
VM1-
PA
PA
5R
5R
5R
PA
VM2R R Vrefm2=5.65V R 5R + -
IN+ 5R + Vrefm1=5.65V R MUTE1 IN+ 5R R Vrefm1=5.65V MUTE1 Tray + -
5R
5R
5R
IN-
CH2MUTE
R
R
R
R
A1
A2
CTL1OUT CTL1-
+ CTL1+ VREF
CTL2OUT MUTE2A MUTE2B CTL2-
Input (-)
CTL2+
(Offset revise resistance) Tracking VREF Input Input Traverse
12V
VREF M
OPOUT
VM1+
A3
PA
VM2+
VM1-
PA
PA
5R
5R
5R
PA
VM2-
IN-
5R
VBS1 VCC1 VCC2 VBS2
5R
5R
CH2MUTE
R
R
R
R
R
R
CTL1OUT CTL1-
+ CTL1+ VREF
CTL2OUT MUTE2A MUTE2B CTL2-
+ CTL2+
(Offset revise resistance) Focus VREF Input Input (-) Input (+)
Vrefm2=5.65V
A1
A2
R
5R
-
+
-
+
+
-
+
+
-
-
+
+
Input(+) Tray L L H Stop(SB) Reverse H Forward Shut off
+
(Offset revise resistance)
VREF
If MUTE2A and MUTE2B are connected to Input(+) and Input(-), this device can be shut off the output when Input(-) and Input(+) are High condition.

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