SLA7024 데이터 시트보기 (PDF) - Sanken Electric co.,ltd.
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SLA7024 Datasheet PDF : 7 Pages
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2-Phase Stepper Motor Unipolar Driver ICs (2-Phase/1-2 Phase Excitation)
SLA7027MU/SLA7024M/SLA7026M
sInternal Block Diagram
81
6
5
7
12
17
16
18 11
Reg Reg
+
–
+
–
+
+
–
–
1, 8, 11, 18pin
Description of pins
Pin 1
Pin 8
Pin 11
Pin 18
Excitation input
Active H Active L
OUTA
OUTA
OUTA
OUTA
OUTB
OUTB
OUTB
OUTB
9
4
2
3 14
13
15
10
sDiagram of Standard External Circuit(Recommended Circuit Constants)
Active High
VCC (46V max)
Excitation signal time chart
2-phase excitation
+
clock 0
1
2
3
0
1
r1 : 510Ω
INA H
L
L
H
H
L
r2 : 100Ω (VR)
r3 : 47kΩ
INA L
H
H
L
L
H r4 : 47kΩ
INB H
H
L
L
H H r5 : 2.4kΩ
Vb (5V)
7 12 8
1 18
11
INB L
L
H
H
L
L r6 : 2.4kΩ
VSA VSB OUTA OUTAOUTB OUTB
C1 : 470pF
r3 r4
r1
2 TdA
TdB
13
C1
C2
SLA7024M
7026M
7027MU
INA 6
INA
INA 5
INA Active
INB 17
INB
High
INB 16
INB
C2 : 470pF
C3 : 2200pF
C4 : 2200pF
Rs : 1Ω typ(7024M)
(1 to 2W) 0.68Ω typ(7026M)
1.8Ω typ(7027MU)
r2
RSA REFA REFB RSB GA GB
9
3 14
10 4
15
1-2 phase excitation
clock 0 1 2 3 4 5 6 7 0 1 2 3
C3
C4
INA H H L L L L L H H H L L
r5 r6
Rs
Rs
INA L L L H H H L L L L L H
INB L H H H L L L L L H H H
INB L L L L L H H H L L L L
Active Low
VCC (46V max)
Excitation signal time chart
+
2-phase excitation
clock 0
1
2
3
0
1 r1 : 510Ω
r2 : 100Ω(VR)
INA L
H
H
L
L
H r3 : 47kΩ
INA H
L
L
H
H
L r4 : 47kΩ
Vb (5V)
7 12 8
1 18
11
VSA VSB OUTA OUTA OUTB OUTB
INB L
L
HH
L
L r5 : 2.4kΩ
INB H
H
L
L
H
H r6 : 2.4kΩ
C1 : 470pF
r3 r4
r1
2 TdA
TdB
SLA7024M
7026M
INA 6
INA
INA 5
INA Active
INB 17
INB
Low
C2 : 470pF
C3 : 2200pF
C4 : 2200pF
Rs : 1Ω typ(7024M)
13
C1
C2
7027MU
INB 16
INB
r2
RSA REFA REFB RSB GA GB
1-2 phase excitation
(1 to 2W) 0.68Ω typ(7026M)
1.8Ω typ(7027MU)
9
3 14
10 4
15
clock 0 1 2 3 4 5 6 7 0 1 2 3
C3
C4
INA L L H H H H H L L L H H
r5 r6
Rs
Rs
INA H H H L L L H H H H H L
INB H L L L H H H H H L L L
INB H H H H H L L L H H H H
SLA7027MU/SLA7024M/SLA7026M 21
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