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PDF M63015FP Data sheet ( Hoja de datos )
| Número de pieza | M63015FP | |
| Descripción | SPINDLE MOTOR AND 4CH ACTUATOR DRIVER | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI SEMICONDUCTOR (LSI)
M63015FP
SPINDLE MOTOR AND 4CH ACTUATOR DRIVER
DESCRIPTION
This M63015FP is 1 chip driver IC for spindle motor and 4 channel
actuators. All of the motor and actuator of optical disk drive system
(CD-ROM etc.) can be drived by only this IC.
This IC has current control drive system for Focus,Tracking,
Spindle and Slide channel drive, also has a direct PWM control
system for Spindle and Slide channels drive due to reducing IC
power dissipation.
This IC has three voltage supply terminals (for Spindle,
Slide/Loading and Focus/Tracking) , and these voltage supply can
be set separately.
Further more this IC has an operational amplifier for Slide input,
FG amplifier, thermal shut down circuit, standby circuit, channel
select function, reverse rotation detect circuit and Short braking
select.
APPLICATION
CD-ROM, DVD, DVD-ROM, DVD-RAM ,Optical disc related
system, etc.
PIN CONFIGURATION (TOP VIEW)
LOIN+ 1
42 LOIN-
MU1 2
MU2 3
VM23 4
LO+ 5
LO- 6
GND 7
RSL 8
SL+ 9
SL- 10
GND 11
W 12
V 13
U 14
RSP 15
HW- 16
HW+ 17
HV- 18
HV+ 19
41 RFO
40 RTO
39 5VCC
38 VM4
37 TO+
36 TO-
35 FO-
34 FO+
33 GND
32 SLIN
31 OPIN-
30 OSC
29 GND
28 FOIN
27 TOIN
26 SPIN
25 REF
24 FG
HU- 20
HU+ 21
23 HB
22 VM1
Outline 42P9R-K/B
BLOCK DIAGRAM
FG
HU+
HU-
HV+
HV-
HW+
HW-
HB
SPIN
REF
ss
FG Reverse
Detect
Spindle
Hall Bias
CTL
amp.
Current
comp.
Direction
comp.
TOIN
FOIN
Focus
s
s
Slide
CTL
amp.
Current
comp.
Direction
comp.
VM1
Reg Regulator
Tracking
s
s
Loading
5V power
supply
5VCC
LOIN+
LOIN-
TSD
BIAS
Frequency
generator
10K
Reg
+
2K
-
MU1
MU2
OSC
OPIN-
5VCC
1 page  
MITSUBISHI SEMICONDUCTOR (LSI)
M63015FP
SPINDLE MOTOR AND 4CH ACTUATOR DRIVER
q Loading channel
The loading channel is the circuit of BTL voltage drive. This circuit
has the referential input. Output swing is determined with ∆Vin X 8.
Also,it is possible for this channel to use for the slide motor , the
focus coil and the tracking coil.
The input terminal is high impedance. It is possible to do variable a
gain by external resistor.
The output becomes high impedance in case of both input voltage
becomes under 0.5 volts. It is possible for the input terminal to
operate from 0 volts.The following table and diagram show an
application in case of two MCU port and one MCU port for the
loading motor.In case of one MCU port, if use three state port, it is
possible for this channel to have the stop function.
VM23
LOIN+
LOIN-
LOADING
Channel
LO+
+
Vo
-
LO-
Forward
M
Reverse
Output
LO-
voltage [V]
LO+
VM23
2
-
Coil
+
LO+
Vo
Gvo = 8 [v/v]
Vo=[LO+]-[LO-]
=8 X([LOIN+]-[LOIN-])
+
Coil
-
[LOIN+]-[LOIN-] (V)
LO-
Application.1 (Two port H/L control)
Logic
P1
5V
0
5V
0
control
P2
5V
5V
0
0
Situation of loading channel
Short brake --> Stop
Reverse rotation
Forward rotation
Off [ High impedance output]
Application.2 (One port H/L control)
Logic control
P1
Situation of loading channel
5V Forward rotation
Z
(Hi impedance)
Short brake --> Stop
0 Reverse rotation
Output voltage swing
Vo= 0 [V]
Vo= - 8X5XR1/(R1+2XR2)
Vo= 8X5XR1/(R1+2XR2)
Off
Output voltage swing
Vo=2.5[V] X8X R2
(R1/2)+R2+R3
Vo= 0 [V]
Vo=- 2.5[V] X8X R2
(R1/2)+R2+R3
5 Page 
I/O circuit
q FOIN,TOIN,SPIN
LOIN+, LOIN-
OPIN-,REF
5VCC
2K
MITSUBISHI SEMICONDUCTOR (LSI)
M63015FP
SPINDLE MOTOR AND 4CH ACTUATOR DRIVER
q Hu+,Hu-
Hv+,Hv-
Hw+,Hw-
5VCC
2K
q MU1,MU2
5VCC
2K
8K
10K
30K
q OSC
5VCC
2K
2K
2K
q HB
5VCC
q FG
5VCC
5VCC
q VM1,RSP,U,V,W
VM1
RSP
q VM4,FO+,FO-,TO+,TO-
VM4
U
GND
VW
9Vmax
VM1
REG
FO+
FO-
GND
q VM23,RSL,SL+,SL-,LO+,LO-
VM23
RSL
TO+
TO-
SL+
GND
SL-
LO+ LO-
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet M63015FP.PDF ] | |
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