M56755AFP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC
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M56755AFP Datasheet PDF : 10 Pages
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MITSUBISHI <CONTROL / DRIVER IC>
M56755AFP
SPINDLE MOTOR DRIVER
ELECTRICAL CHARACTERISTICS (VCC = 5V, VCC2 = 12V ,VM = 12V, Ta = 25°C unless otherwise noted.)
Symbol
Parameter
Conditions
Limits
Min.
Typ.
Max.
Units
VHb
Hall bias terminal output
voltage
Load current (IHb) 10mA.
0.6
0.85
1.2
V
IHb
Hall bias terminal sink current
—
—
30
mA
Von
Motor start voltage
1 pin input voltage when makes the motor start up.
*The ICs will be the active condition.
2.0
—
—
V
*The hall bias will be available.
Voff
Motor stop voltage
1 pin input voltage when makes the motor stop.
*The ICs will be the sleep condition.
—
—
0.8
V
*The hall bias will be off.
6 pin [MODE1], 5 pin [MODE2], 32 pin [MODE3]
ViH
mode pin input high voltage and 31 pin [MODE4] input voltage
2.0
—
—
V
when makes high level.
6 pin [MODE1], 5 pin [MODE2], 32 pin [MODE3]
ViL
mode pin input low voltage and 31 pin [MODE4] input voltage
—
—
0.8
V
when makes low level.
VOL
2 pin[RDS], 3 pin[FG] output
low voltage
at Io current = 1mA
—
—
0.5
V
ELECTRICAL CHARACTERISTICS
(VCC=5V, VM=12V, Ta=25°C Unless otherwise noted.)
Current limit
0 – +40mV
Reverse Torque
0.6A/V
0.6A/V
Forward Torque
0
EC - ECR
0 – -40mV
Current limit
The relationship between the EC (control
voltage), ECR (reference voltage) and the
torque is as shown in Figure 1. The current
gain is 0.6A/V (at sensing resistor: 0.5ohm) in
the both torques and a dead zone is ±0mV to
±40mV.
Figure 1. The characteristics of the control voltage and motor current (Torque).
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