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PDF M63021FP Data sheet ( Hoja de datos )
| Número de pieza | M63021FP | |
| Descripción | SPINDLE MOTOR AND 5CH ACTUATOR DRIVER | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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Preliminary
MITSUBISHI SEMICONDUCTORS
M63021FP
SPINDLE MOTOR AND 5CH ACTUATOR DRIVER
[FEATURES]
This IC is 1 chip driver IC for spindle motor and 5 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 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,Focus/Tracking and Loading) , and three voltage
supply can be set separately.
Further more this IC has short braking select function,FG
amplifier, thermal shut down circuit, standby circuit, reverse
rotation detect circuit.
[APPLICATION]
PIN CONFIGURATION
(Top View)
SL1IN
SL2IN
VM2
RSL2
SL2+
SL2-
GND
RSL1
SL1+
SL1-
GND
W
V
U
RSP
Hw-
Hw+
Hv-
Hv+
Hu-
Hu+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42 OSC
41 MU1
40 LOIN+
39 VM3
38 BRS
37 LO-
36 LO+
35 FO-
34 FO+
33 GND
32 TO+
31 TO-
30 5VCC
29 GND
28 TOIN
27 FOIN
26 SPIN
25 REF
24 FG
23 HB
22 VM1
Package outline : 42 PIN POWER SSOP (42P9R-B)
CD-ROM, DVD, DVD-ROM, DVD-RAM ,Optical disc related system,etc
[BLOCK DIAGRAM]
FG
HU+
HU-
HV+
HV-
HW+
HW-
SPIN
REF
SL1IN
SL2IN
FOIN
TOIN
ss
FG Reverse
Detect
120∫
MATRIX
Hall Bias
CTL
amp.
Current
comp.
Direction
comp.
ss
Logic
Logic
CTL
amp.
Current
comp.
Direction
comp.
CTL
amp.
Current
comp.
Direction
comp.
TSD
BIAS
Frequency
generator
Regulator
5V power supply
MU1
OSC
X1 X12 X8
2
( 1 / 17)
REV990728
1 page  
Preliminary
MITSUBISHI SEMICONDUCTORS
M63021FP
SPINDLE MOTOR AND 5CH ACTUATOR DRIVER
[ELECTRICAL CHARACTERISTICS]
Spindle
(Ta=25ºC, 5VCC=VM3=5V,VM1=VM2=12V unless otherwise noted.)
SYMBOL
PARAMETER
CONDITIONS
Vdyc1
Dynamic range of output
Io=0.5 [A]
Vdead1-
SPIN<REF
Control voltage dead zone 1
Vdead1+
REF<SPIN
[REVERSE]
[FORWARD]
Vin1
Control voltage input range 1 SPIN
Gvo1 Control gain 1
Gio1=Gvo1/ Rs [A/V]
Vlim1F Control limit 1F
Vlim1R Control limit 1R
Ilim1F=Vlim1F/ Rs [A]
Ilim1R=Vlim1R/ Rs [A]
MIN
10.3
-80
0
0
0.85
0.4
0.22
LIMITS
TYP
10.8
-40
+40
MAX
0
+80
5
Unit
V
mV
mV
V
1.0 1.15 V/V
0.5
0.28
0.6
0.34
V
V
VHcom Hall sensor amp.
Hu+,Hu-,Hv+,Hv-,Hw+ ,Hw-
1.3
3.7 V
common mode input range
VHmin
Hu+,Hu-,Hv+,Hv-,Hw+ ,Hw-
Hall sensor amp.input signal level
60
mVp-p
VHB
IHB
HB output voltage
HB terminal sink current
at Load current (IHB)=10mA
MU1=5V
0.6 0.85 1.2 V
30 mA
Slide 1,2
SYMBOL
PARAMETER
Vdyc2
Dynamic range of output
Vdead2-
Control voltage dead zone 2
Vdead2+
(Ta=25ºC, 5VCC=VM3=5V,VM1=VM2=12V unless otherwise noted.)
LIMITS
CONDITIONS
Io=0.5 [A]
at VM2=5[V]
at VM2=12[V]
MIN
3.3
10.3
TYP
3.8
10.8
MAX
Unit
V
SL1IN,Sl2IN < REF
-80 -40
0 mV
REF < SL1IN ,SL2IN
0 +40 +80 mV
Vin2 Control voltage input range 2 SL1IN,SL2IN
0 5V
Gvo2
Vlim2
Tdon
Control gain 2
Control limit 2
Output turn-on delay
Tdoff Output turn-off delay
Tdsw Output switching delay
Ileak Output leak current
Gio2=Gvo2/ Rs [A/V]
Ilim2=Vlim2/ Rs [A]
MU1=5v
( 5 / 17)
0.85
0.43
-100
1.0 1.15 V/V
0.5 0.58 V
1.0 2.0 µsec
2.0 3.5 µsec
3.0 6.0 µsec
100 µA
REV990728
5 Page 
Preliminary
MITSUBISHI SEMICONDUCTORS
M63021FP
SPINDLE MOTOR AND 5CH ACTUATOR DRIVER
FOCUS / TRACKING channel
The focus and tracking channel is the voltage control drive using BTL .
The focus and tracking is the same composition.
The relationship between the differential voltage between FOIN and REF and the output voltage
is shown in below Figure.
The voltage gain [Gvo] is 5.0 [V/V].
FOIN
R
REF
R
5VCC
R
R
6R
FO-
R
6R
Coil
R
FO+
FO-
5VCC
2
Coil
FO+
Output
voltage [V]
FO+
+
Coil
-
Vo FOIN – REF (V)
Gvo = 12 [v/v]
Vo=[FO+] – [FO-]
=12 x (FOIN – REF)
FO-
(11 / 17)
REV990728
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet M63021FP.PDF ] | |
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