SLA7029 Ver la hoja de datos (PDF) - Sanken Electric co.,ltd.
Número de pieza
componentes Descripción
Fabricante
SLA7029 Datasheet PDF : 7 Pages
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2-Phase Stepper Motor Unipolar Driver ICs (2-Phase Excitation)
sInternal Block Diagram
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
61
5
8
14
Reg Reg
+
–
+
–
+
+
–
–
10 15
1, 6, 10, 15pin
Description of pins
Excitation input
Active H Active L
1pin OUT A OUT A
6pin OUT A OUT A
10pin OUT B OUT B
15pin OUT B OUT B
7
234
12 13 11
9
sDiagram of Standard External Circuit (Recommended Circuit Constants)
VCC (46V max)
+
Vb (5V)
r3 r4
8
16
10 15
VS
r1
INA 5
INA
2 TdA
11 TdB
INB 14
INB
C1 C2
r2
RSA REFA REFB RSB GA GB
7
3 13
94
12
C3
Rs
r5
C4
Rs
r6
Open
collector
tdA tdB
Excitation signal time chart
2-phase excitation
clock 0
1
2
3
0
1
INA H
H
L
L
H
H
INB L
H
H
L
L
H
1-2 phase excitation
clock 0 1 2 3 4 5 6 7 0 1 2 3
INA H H H H L L L L H H H H
tdA L L L H L L L H L L L H
INB L L H H H H L L L L H H
tdB L H L L L H L L L H L L
q tdA and tdB are signals before the inverter stage.
r1 : 510Ω
r2 : 100Ω (VR)
r3 : 47kΩ
r4 : 47kΩ
r5 : 2.4kΩ
r6 : 2.4kΩ
C1 : 330 to 500pF
C2 : 330 to 500pF
C3 : 2200pF
C4 : 2200pF
Rs : 1.8Ω typ(7022MU)
(1 to 2W) 1Ω typ(7029M)
6 SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
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