m56745fp Mitsumi Electronics, Corp., m56745fp Datasheet - Page 2

• Manufacturer Part Number: m56745fp
• Description: Spindle Motor Driver
• Manufacturer: Mitsumi Electronics, Corp.

PIN FUNCTION
ABSOLUTE MAXIMUM RATINGS (Ta=25˚C)
RECOMMENDED OPERATING CONDITIONS
VM
Vcc
Io
VH(c)
Pt
K
Tj
Topr
Tstg
Vcc
VM
Io
Pin No.
25
Symbol
Symbol
7
to
to
33
13
14
15
16
17
18
19
20
21
22
23
24
31
32
34
35
36
1
2
3
4
5
6
12
30
Motor supply voltage
5V supply voltage
Output current
Sensor amp. Differential input range
Power dissipation
Thermal derating
Junction temperature
Operating temperature
Storage temperature
5V Power supply
Motor Power supply
Output drive current
S/S
N.C
N.C
N.C
N.C
N.C
GND
VM
C
EC
ECR
Vcc
Hb
Hu+
Hu-
Hv+
Hv-
Hw+
Hw-
GND
M.GND
Rnf
Rs
U
V
W
I
Symbol
GND
Motor supply voltage
Phase Compensation
Motor speed control
The reference voltage for EC.
5V supply voltage.
Bias for Hall Sensor
Hu+ Sensor amp. input
Hu- Sensor amp. input
Hv+ Sensor amp. input
Hv- Sensor amp. input
Hw+ Sensor amp. input
Hw- Sensor amp. input
GND
Motor GND.
Current feedback amp. input
Motor current sense.
Motor drive output U
Motor drive output V
Motor drive output W
Start / Stop
Parameter
Parameter
Min.
10.8
4.5
Free Air
Free Air
13
17
19
pin maximum input voltage
pin maximum input voltage
to
Limits
Typ.
12.0
5.0
24
pins
Conditions
Max.
13.2
700
5.5
Function
Units
mA
MITSUBISHI <CONTROL / DRIVER IC>
V
V
SPINDLE MOTOR DRIVER
-40 – +125
-20 – +75
M56745FP
Ratings
1.2
1.0
4.5
9.6
150
14
7.0
mW/˚C
Units
W
˚C
˚C
˚C
V
V
A
V