1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
SLA7031M/SLA7032M/SLA7033M
2-Phase/1-2 Phase Excitation
(T
a
=25°C)
Ratings
Units
sAbsolute
Maximum Ratings
Parameter
Motor supply voltage
Control supply voltage
FET
Drain-Source voltage
Input voltage
Reference voltage
Sense voltage
Output current
Power dissipation
Channel temperature
Operating ambient temperature
Storage temperature
Symbol
SLA7031M
V
CC
V
S
V
DSS
V
IN
V
SYNC
V
REF
V
RS
I
O
P
D1
P
D2
T
ch
T
a
T
stg
1
SLA7032M
SLA7033M
46
46
100
–
0.3 to +7
–
0.3 to
+
7
–
0.3 to
+
7
–
5 to
+
7
1.5
3
4.5(Without Heatsink)
35(T
c
=25
°C
)
+
150
–
20 to
+
85
–
40 to
+
150
V
V
V
V
V
V
A
W
W
°C
°C
°C
sRecommended
Operating Conditions
Parameter
Motor Supply Voltage
Control Supply Voltage
REF Input Voltage
Case Temperature
Symbol
Ratings
Unit
min
10
0.1
4.0
V
M
V
S
V
REF
V
REF(dis)
T
C
max
44
44
1.0
5.5
100
Remarks
V
V
V
V
°C
The control current precision is degraded at 0.1V or lower.
Output MOS FET OFF
Temperature of 4(15)-Pin Lead(without heatsink)
sElectrical
Characteristics
Ratings
Parameter
Symbol
min
Control supply current
Control supply voltage
FET Drain-Source voltage
FET ON voltage
FET diode forward voltage
FET drain leakage current
I
S
Condition
V
S
V
DSS
Condition
V
DS
Condition
V
SD
Condition
I
DSS
Condition
V
IH
Input voltage
(Active High)
Condition
V
IL
Condition
V
IH
Input voltage
(Active Low)
Condition
V
IL
Condition
Input current
I
I
Condition
V
SYNC
Input voltage
SYNC terminal
Input current
Condition
V
SYNC
Condition
I
SYNC
Condition
I
SYNC
Condition
V
REF
Condition
V
REF
Condition
Input current
Internal
resistance
Sense Voltage
I
REF
Condition
R
REF
Condition
VR
S
T
r
Switching time
T
stg
T
f
Condition
Chopping OFF time
T
OFF
Condition
No synchronous trigger
40
V
REF
0.5
0.7
0.1
V
S
=24V, I
D
=0.8A
12
V
S
=24V
0
Reference voltage input
4.0
Output FET OFF
±1
No synchronous trigger
40
V
REF
0.5
0.7
0.1
V
S
=24V, I
D
=1A
12
V
S
=24V
5.5
4.0
Output FET OFF
±1
No synchronous trigger
40
Resistance between GND and REF terminal at synchronous trigger
V
REF
0.5
0.7
0.1
V
S
=24V, I
D
=1A
12
V
S
=24V
V
S
=44V, V
SYNC
=0V
2.0
0
Reference voltage input
5.5
4.0
Output FET OFF
±1
4.0
Synchronous chopping mode
0.8
Asynchronous chopping mode
0.1
V
S
=44V, V
SYNC
=5V
–0.1
V
S
=44V, V
SYNC
=0V
2.0
0
Reference voltage input
5.5
I
D
=1A
±1
V
S
=44V, V
I
=0 or 5V
4.0
Synchronous chopping mode
0.8
Asynchronous chopping mode
0.1
V
S
=44V, V
SYNC
=5V
–0.1
V
S
=44V, V
SYNC
=0V
2.0
V
V
S
=44V, V
I
=0 or 5V
4.0
Synchronous chopping mode
0.8
Asynchronous chopping mode
0.1
V
S
=44V, V
SYNC
=5V
–0.1
mA
V
V
DSS
=100V
2.0
V
DSS
=100V
0.8
I
D
=1A
±1
V
S
=44V, V
I
=0 or 5V
2.0
V
DSS
=100V
0.8
I
D
=3A
±1
2.0
I
D
=1A
0.8
V
DSS
=100V
2.0
V
DSS
=100V
0.8
V
I
SD
=1A
250
V
DSS
=100V, V
S
=44V
2.0
I
D
=1A
0.8
V
DSS
=100V
V
DSS
=100V, V
S
=44V
2.0
I
D
=3A
0.8
V
10
100
V
S
=44V, I
DSS
=250
µ
A
0.85
I
D
=1A, V
S
=10V
1.2
I
SD
=1A
250
V
DSS
=100V, V
S
=44V
I
D
=1A, V
S
=14V
1.1
I
SD
=3A
250
SLA7031M
typ
10
V
S
=44V
24
44
10
100
V
S
=44V, I
DSS
=250
µ
A
0.6
I
D
=3A, V
S
=14V
2.3
max
15
min
SLA7032M
typ
10
V
S
=44V
24
44
10
100
V
S
=44V, I
DSS
=250
µ
A
0.85
max
15
min
SLA7033M
typ
10
V
S
=44V
24
44
Units
max
15
mA
V
V
V
V
µ
A
DC characteristics
IN terminal
µ
A
Input current
REF terminal
µ
A
Ω
V
Resistance between GND and REF terminal at synchronous trigger Resistance between GND and REF terminal at synchronous trigger
AC characteristics
µ
s
µ
s
102
ICs