2-Phase Stepper Motor Unipolar Driver ICs (2-Phase/1-2 Phase Excitation)
SLA7027MU/SLA7024M/SLA7026M
sSupply
Voltage V
CC
vs. Supply Current I
CC
SLA7027MU
500
1.5
SLA7026M
Supply current I
CC
(mA)
400
Supply current I
CC
(A)
300
Motor : 23LM-C202
1-phase excitation
Holding mode
I
O
: Output current
I
O
=1A
1.0
200
Motor : 23PM-C503
1-phase excitation
Holding mode
I
O
: Output current
I
O
=3A
I
O
=2A
I
O
=1A
0.5
100
0.4A
0.2A
0
10
20
30
40
50
0
0
10
20
30
0
40
50
Supply voltage V
CC
(V)
Supply voltage V
CC
(V)
SLA7024M
500
Supply current I
CC
(mA)
400
300
Motor : 23LM-C004
1-phase excitation
Holding mode
I
O
: Output current
I
O
=1A
200
100
0
0.5A
0.2A
0
10
20
30
40
50
Supply voltage V
CC
(V)
sNote
The excitation input signals of the SLA7027MU, SLA7024M and SLA7026M can be used as either Active High or Active Low. Note,
however, that the corresponding output (OUT) changes depending on the input (IN).
Active High
Input
IN
A
(pin6)
IN
A
(pin5)
IN
B
(pin17)
IN
B
(pin16)
Corresponding output
OUT
A
(pin1)
OUT
A
(pin8)
OUT
B
(pin11)
OUT
B
(pin18)
Active Low
Input
IN
A
(pin6)
IN
A
(pin5)
IN
B
(pin17)
IN
B
(pin16)
Corresponding output
OUT
A
(pin8)
OUT
A
(pin1)
OUT
B
(pin18)
OUT
B
(pin11)
26
SLA7027MU/SLA7024M/SLA7026M
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