m63010fp Mitsumi Electronics, Corp., m63010fp Datasheet - Page 8

• Manufacturer Part Number: m63010fp
• Description: Spindle Motor Actuator Driver
• Manufacturer: Mitsumi Electronics, Corp.

VM23
Preliminary
2
application.1
( Two port H/L control)
P1
P2
Logic control Situation of loading channel
(Hi impedance)
application.2 (MCU:One port H/Z/L control)
application.1 (MCU:Two port H/L control)
0v
0v
5v
P1
5V
5V
Logic control
0
0
P1
5v
Z
0
5v
Coil
P2
5V
5V
0
0
LO+
LO-
Short brake --> Stop
Off [ High impedance output]
Forward rotation
Reverse rotation
Situation of loading channel
Short brake --> Stop
P1
P2
Reverse rotation
Forward rotation
Vo
R1
R2
R2
SPINDLE MOTOR AND 4CH ACTUATOR DRIVER
=8 X ([LOIN+]–[LOIN-])
LOIN-
LOIN+
Gvo = 8 [v/v]
(
Vo=[LO+]–[LO-]
8
/
Vo= 2.5[V] x8x R2
Vo= 0 [V]
Vo= -2.5[V] x8x R2
application.2
(One port H/Z/L control)
16)
Output
voltage [V]
Output voltage swing
P1
(R1/2)+R2+R3
(R1/2)+R2+R3
Vo= - 8x5xR1/(R1+2xR2)
Vo= 8x5xR1/(R1+2xR2)
5v
Z
0v
MITSUBISHI SEMICONDUCTORS
Output voltage swing
[LOIN+]– [LOIN-] (V)
P1
Vo= 0 [V]
M63010FP
Off
R3
LO+
LO-
R2
+
-
REV990118
R1
R1
Coil
5V
LOIN+
LOIN-