MITSUBISHI <CONTROL / DRIVER IC>
M56784FP
SPINDLE MOTOR DRIVER
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min.
VCC1
5V Power supply
4.5
VCC2
12V Power supply
4.5
VM
Motor Power supply
4.5
Io
Output drive current
—
Limits
Typ.
5.0
12.0
12.0
—
Max.
5.5
13.2
13.2
700
Units
V
V
V
mA
ELECTRICAL CHARACTERISTICS (VCC=5V, VCC2=12V ,VM=12V, Ta=25°C unless otherwise noted.)
Symbol
Parameter
Conditions
ICC1
ICC2
ICC3
Vsat
ECdead-
ECdead+
ECR
EC
Gio
Vlim
VH com
VHmin1
VHmin2
VHb
Sleep Mode Supply current - 1 28 and 27 pin total Input Current
( 41 pin low or open)
Sleep Mode Supply current - 2 24 pin Input Current ( 41 pin low or open)
Supply current - 3
24 pin Input Current (EC = ECR = 2.5V)
[ 41 pin High]
Saturation voltage
Top and Bottom saturation voltage
(Load current: 500mA)
Control voltage dead zone
EC < ECR
EC > ECR
Reference voltage Input range 25 pin [3.3V DSP available]
Control voltage Input range
26 pin [3.3V DSP available]
Control gain
Control limit
Hall senser amp. common
mode input range
Io = Gio / Rsense [A/V]
Ilim = Vlim / Rsense [A]
15 – 20 pins
Hall sensor amp.
input signal revel
15 – 20 pins
MODE4 = OPEN or HIGH
MODE4 = GND
Hall bias terminal output
voltage
Load current (IHb) 10mA.
Min.
—
—
—
—
-40
0
0.5
0.5
0.25
0.27
1.2
50
35
0.6
Limits
Typ.
0
—
—
1.2
-21
+21
1.65
1.65
0.3
0.3
—
—
—
0.85
Max.
100
500
6.0
1.9
0
+40
4.0
4.0
0.35
0.33
4.5
—
—
1.2
Units
µA
µA
mA
V
mV
V
V
V/V
V
V
mVp-p
V
IHb
Hall bias terminal sink current
—
—
30
mA
Von
Motor start voltage
41 pin input voltage when it starts up the motor.
*The IC is in the active condition.
2.0
—
—
V
*The hall bias is available.
Voff
Motor stop voltage
41 pin input voltage when it stops the motor.
*The IC is in the sleep condition.
*The hall bias is off.
—
—
0.8
V
36 pin [MODE1], 37 pin [MODE2], 6 pin [MODE3]
ViH
Mode pin input high voltage and 7 pin [MODE4] input voltage
2.0
—
—
V
when they are HIGH.
36 pin [MODE1], 37 pin [MODE2], 6 pin [MODE3]
ViL
Mode pin input low voltage and 7 pin [MODE4] input voltage
—
—
0.8
V
when they are LOW.
VOL
40 pin[RDS], 39 pin[FG]
output low voltage
Io current = 1mA
—
—
0.5
V