M54678FP Mitsubishi Electronics America, Inc., M54678FP Datasheet - Page 2

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

PIN FUNCTION
ABSOLUTE MAXIMUM RATINGS (Ta = 25 C unless otherwise noted.)
RECOMMENDED OPERATIONAL CONDITIONS
Vm
Out1, Out1B, Out2, Out2B
Rs1,Rs2
V
Ph1, Ph2
En1, En2
S1, S2
Vref1, Vref2
Regout
Vm
Iout
V
Vlogic
Vanalog
VRs
Pd
K
Tj
Topr
Tstg
V
Vm
Iout
t
t
Ton
Toff
TSDon
Symbol
PLH
PHL
CC
CC
CC
Symbol
Symbol
Logic input voltage
Output stage supply voltage
Output current
Supply voltage
Analog input voltage
Current sensor voltage
Power dissipation
Thermal derating
Junction temperature
Operating temperature
Storage temperature
Supply voltage
Output stage supply voltage
Output current
Logic input rise time
Logic input fall time
PWM on time
PWM off time
Thermal shutdown temperature
Parameter
Parameter
Output stage supply voltage
Output terminal
Current sensor
Power supply
Phase input
Enable input
Sense input
Vref input
Voltage stabilizer output
Terminal
1phase
Ph, En Pin
Vref, S Pin
Rs Pin
100mm
glassfiber epoxy resin circuit board
100mm
glassfiber epoxy resin circuit board
Min.
4.5
10
50
—
—
—
5
5
100mm, t = 1.6mm
100mm, t = 1.6mm
Limits
Typ.
160
5.0
—
—
—
—
—
—
Conditions
Power supply for motor working
Motor drive output terminal
Output current sensing resistor (Rs) connect terminal
Control circuit power supply
Output current direction switch
“L” input
Comparator input voltage terminal
Comparator reference voltage terminal
Constant voltage output (Vout = 3.5V)
Max.
MITSUBISHI <CONTROL / DRIVER IC>
800
5.5
35
50
50
—
2
2
2-PHASE STEPPER MOTOR DRIVER
Motor on
Unit
mA
V
V
C
S
S
S
S
“H” input
Functions
-0.3 – V
-0.3 – V
-40 – 125
-0.3 – 37
-20 – 75
Enable
Ratings
-0.3 – 7
M54678FP
62.5
150
1.5
2.0
1.0
CC
CC
Unit
C/W
W
V
A
V
V
V
V
C
C
C