M54678FP Mitsubishi Electronics America, Inc., M54678FP Datasheet - Page 3

• Manufacturer Part Number: M54678FP
• Description: 2-phase Stepper Motor Driver
• Manufacturer: Mitsubishi Electronics America, Inc.

ELECTRICAL CHARACTERISTICS (Ta=25 C, V
CONTROL CIRCUIT
*Fref oscillating frequency is Career frequency of Output PWM control.
OUTPUT CIRCUIT (Ta=25 C, V
I
I
V
V
I
I
V
I
V
Iref
Vref
FrefH
FrefL
Fc
Vreg
Vsat
Ileak
tdon
tdoff
Symbol
Symbol
CC
CC
IH
IL
C
IH
IL
CH
C
1
2
Supply current
Logic input voltage
(Ph, En terminal)
Logic input current
(Ph, En terminal)
Comparator input offset voltage
Comparator input current
Comparator input voltage range
Vref input current
Vref input voltage range
Fref terminal output voltage
Fref oscillating frequency
Regulator output voltage
Output saturation voltage
Output leak current
Output turn-on delay
Output turn-off delay
Parameter
Parameter
CC
=5V, VM=24V unless otherwise noted.)
V
V
Vin = 5V
Vin = 0V
Vref = 500mV, V
S terminal input current
S = 0V, Vref = 500mV
Vref terminal input current
Vref = 0V, 2 = 500mVÅj
Fref terminal
Fref terminal, C = 390pF
Iout = -0.1mA – +1mA
Sensing resistor not included. Io = 0.75A
Time until output on after Fref 2.5V
Time until output off after S < Vref
CC
CC
= 5V, En = H
= 5V, En = L
CC
Test condition
Test condition
CH
=5V, VM=24V unless otherwise noted.)
= Vref-S
MITSUBISHI <CONTROL / DRIVER IC>
0.5V
2-PHASE STEPPER MOTOR DRIVER
-100
Min.
Min.
2.4
-20
-20
-20
2.4
0.4
3.4
19
34
20
—
—
—
-5
-5
0
0
0
Limits
Limits
Typ.
Typ.
2.5
0.5
3.5
1.8
0.5
2.0
33
58
+1
30
—
—
—
—
—
—
—
—
-5
-5
M54678FP
Max.
Max.
+100
V
0.6
1.5
1.5
2.6
0.6
3.6
2.6
2.0
3.5
50
87
+7
40
—
—
5
5
CC
Unit
kHz
Unit
mA
mV
V
V
V
V
V
V
A
A
A
A
S
S