1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
2-Phase Excitation
sAbsolute
Maximum Ratings
Ratings
Parameter
Motor supply voltage
FET Drain-Source voltage
Control supply voltage
TTL input voltage
Reference voltage
Output current
Power dissipation
Channel temperature
Storage temperature
Symbol
V
CC
V
DSS
V
S
V
IN
V
REF
I
O
P
D1
P
D2
T
ch
T
stg
1
1.5
SLA7022MU
SLA7029M
46
100
46
7
2
1
1.5
4.5 (Without Heatsink)
35 (T
C
=25°C)
+150
–40 to +150
4.0 (Without Heatsink)
28 (T
C
=25°C)
SMA7022MU
SMA7029M
Units
V
V
V
V
V
A
W
W
°C
°C
(T
a
=25°C)
sElectrical
Characteristics
Ratings
Parameter
Symbol
min
Control supply current
Control supply voltage
FET Drain-Source voltage
FET ON voltage
FET drain leakage current
I
S
Condition
V
S
V
DSS
Condition
V
DS
Condition
I
DSS
Condition
V
SD
Condition
I
IH
Condition
I
IL
Condition
V
IH
TTL input voltage (Active High)
Condition
V
IL
Condition
V
IH
TTL input voltage (Active Low)
Condition
V
IL
Condition
T
r
Condition
Switching time
T
stg
Condition
T
f
Condition
2
V
DSS
=100V
0.8
I
D
=1A
0.5
V
S
=24V, I
D
=0.8A
0.7
V
S
=24V, I
D
=0.8A
0.1
V
S
=24V, I
D
=0.8A
I
D
=1A
0.5
V
S
=24V, I
D
=1A
0.7
V
S
=24V, I
D
=1A
0.1
V
S
=24V, I
D
=1A
2
I
D
=1A
0.8
V
DSS
=100V
2
V
DSS
=100V
0.8
I
D
=1A
0.5
V
S
=24V, I
D
=0.8A
0.7
V
S
=24V, I
D
=0.8A
0.1
V
S
=24V, I
D
=0.8A
V
DSS
=100V
2
V
DSS
=100V
0.8
I
D
=1A
0.5
V
S
=24V, I
D
=1A
0.7
V
S
=24V, I
D
=1A
0.1
V
S
=24V, I
D
=1A
I
D
=1A
40
V
IH
=2.4V, V
S
=44V
–0.8
V
IL
=0.4V, V
S
=44V
2
I
D
=1A
0.8
V
DSS
=100V
2
V
DSS
=100V
0.8
V
IL
=0.4V, V
S
=44V
2
I
D
=1A
0.8
V
DSS
=100V
V
IH
=2.4V, V
S
=44V
–0.8
I
D
=1A, V
S
=14V
4
V
DSS
=100V, V
S
=44V
1.2
I
D
=1A
40
V
DSS
=100V, V
S
=44V
1.1
I
D
=1A
40
V
IH
=2.4V, V
S
=44V
–0.8
V
IL
=0.4V, V
S
=44V
2
I
D
=1A
0.8
10
100
V
S
=44V, I
DSS
=250
µ
A
0.85
I
D
=1A, V
S
=14V
4
V
DSS
=100V, V
S
=44V
1.2
I
D
=1A
40
V
IH
=2.4V, V
S
=44V
–0.8
V
IL
=0.4V, V
S
=44V
SLA7022MU
typ
10
V
S
=44V
24
max
15
44
10
100
V
S
=44V, I
DSS
=250
µ
A
0.6
I
D
=1A, V
S
=14V
4
V
DSS
=100V, V
S
=44V
1.1
min
SLA7029M
typ
10
V
S
=44V
24
max
15
44
10
100
V
S
=44V, I
DSS
=250
µ
A
0.85
I
D
=1A, V
S
=14V
4
min
SMA7022MU
typ
10
V
S
=44V
24
max
15
44
10
100
V
S
=44V, I
DSS
=250
µ
A
0.6
min
SMA7029M
typ
10
V
S
=44V
24
max
15
44
(T
a
=25°C)
Units
mA
V
V
V
mA
V
DC characteristics
FET diode forward voltage
µ
A
mA
TTL input current
V
V
AC characteristics
µ
s
96
ICs
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