1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M 2-Phase Excitation
■Absolute Maximum Ratings
(Ta=25°C)
Ratings
Parameter
Symbol
Unit
SLA7022MU
SLA7029M
SMA7022MU SMA7029M
Motor Supply Voltage
FET Drain-Source Voltage
Control Supply Voltage
TTL Input Voltage
V
CC
46
V
V
V
V
V
A
VDSS
100
46
7
V
S
V
IN
Reference Voltage
Output Current
VREF
2
I
O
1
4.5 (Without Heatsink)
35 (T =25°C)
1.5
1
1.5
P
P
D1
D2
4.0 (Without Heatsink)
W
W
Power Dissipation
C
28 (T
C
=25°C)
Channel Temperature
Storage Temperature
T
ch
+150
°C
°C
Tstg
–40 to +150
■Electrical Characteristics
(Ta=25°C)
Ratings
Parameter
Symbol
SLA7022MU
SLA7029M
SMA7022MU
SMA7029M
Unit
min.
typ.
10
max.
15
min.
typ.
10
max.
min.
typ.
10
max.
15
min.
typ.
10
max.
15
I
S
15
Control Supply Current
Control Supply Voltage
FET Drain-Source Voltage
mA
V
Condition
V
S
=44V
V
S
=44V
24
V
S
=44V
V
S
=44V
24
V
S
10
100
V
24
44
10
100
V
44
10
100
V
24
44
10
44
VDSS
100
V
Condition
S
=44V, IDSS=250µA
S
=44V, IDSS=250µA
S
=44V, IDSS=250µA
V
S=44V, IDSS=250µA
V
DS
0.85
0.6
0.85
0.6
FET ON Voltage
V
Condition
I
D
=1A, V
S
=14V
I
D=1A, V
S
=14V
ID
=1A, V
S
=14V
ID=1A, VS=14V
I
DSS
4
4
4
4
FET Drain Leakage Current
FET Diode Forward Voltage
mA
V
Condition
V
DSS=100V, V
S
=44V
V
DSS=100V, V
S=44V
V
DSS=100V, V
S
=44V
V
DSS=100V, V
S
=44V
V
SD
1.2
1.1
1.2
1.1
Condition
I
D=1A
I
D=1A
I
D=1A
I
D=1A
I
IH
40
40
40
40
µA
mA
Condition
V
IH=2.4V, V
S
=44V
V
IH=2.4V, V
S
=44V
V
IH=2.4V, V
S
=44V
–0.8
=44V
V
IH=2.4V, V
S
=44V
TTL Input Current
I
IL
–0.8
–0.8
–0.8
Condition
V
IL=0.4V, V
S
=44V
V
IL=0.4V, V
S
=44V
V
IL=0.4V, V
S
VIL=0.4V, VS=44V
V
IH
2
2
2
2
2
2
2
2
Condition
I
D
=1A
I
D
=1A
I
D
=1A
ID=1A
TTL Input Voltage (Active High)
TTL Input Voltage (Active Low)
V
V
V
IL
0.8
0.8
0.8
0.8
0.8
0.8
Condition
V
DSS=100V
DSS=100V
V
V
DSS=100V
DSS=100V
V
V
DSS=100V
DSS=100V
V
V
DSS=100V
DSS=100V
VIH
Condition
V
V
IL
0.8
0.8
Condition
I
D
=1A
0.5
=24V, I
0.7
I
D
=1A
I
D
=1A
0.5
=24V, I
0.7
I
D
=1A
Tr
0.5
0.5
Condition
V
S
S
S
D
=0.8A
=0.8A
=0.8A
VS
VS
VS
=24V, I
D
D
D
=1A
=1A
=1A
V
S
S
S
D
=0.8A
=0.8A
=0.8A
VS
VS
VS
=24V, I
0.7
D
D
D
=1A
=1A
=1A
Tstg
0.7
Switching Time
µs
Condition
V
V
=24V, I
D
=24V, I
0.1
V
V
=24V, I
D
=24V, I
0.1
Tf
0.1
0.1
Condition
=24V, I
D
=24V, I
=24V, I
D
=24V, I
ICs
90
ETC [ ETC ]
