5-Phase Stepper Motor Driver ICs (Pentagon Connection)
SI-7502
(SLA5011/SLA6503)
sDiagram
of Standard External Circuit
C
1
C
2
C
3
C
4
R
1
D
i
: 100
µ
F/63V
: 50
µ
F/25V
: 10
µ
F/10V
: 470pF
: 1kΩ
: RK-34 (Sanken)
V
B
(5V)
V
S
(12V)
V
CC
(15~42V)
C
3
+
C
1
+ C
2
+
Excitation signal input
Aiu
Biu
Ciu
Diu
Eiu
Ail
Bil
Cil
Dil
Eil
Active High
7407
1
25
22
17
14
6
26
27
24
23
16
15
7
2
4
6
8
10
2
4
6
8
10
1 12
A
0
3
5
7
9
11
3
5
7
9
11
D
0
E
0
I
O
(typ) = 0.92/R
S
I
OPD
(typ) = (1.3×a−0.01) / Rs
a = Vb×R' / (30000+R')
R' = 5100×Rx / (5100+Rx)
B
0
C
0
7406
SI-7502
21
18
13
10
9
2 3 5
R
X
4
SLA6503
Stepper Motor
20
19
12
11
8
1 12
I
O
R
1
SLA5011
P
D
C
4
R
S
D
i
sExternal
Dimensions
SI-7502
(Unit: mm)
sExternal
Dimensions
SLA6503/SLA5011
31.0
±0.2
24.4
±0.2
16.4
±0.2
(Unit: mm)
8(max)
φ
3.2
±0.15
3.2
±0.15
×
3.8
4.8
±0.2
1.7
±0.1
9.5min (10.4) 16.0
±0.2
2.7
13.0
±0.2
Pin-1 marking
(White dots)
41 (max)
9.9
±0.2
8.5max.
Part No.
Lot No.
Part No.
30 (max)
R
R
3.5
+1
−0.5
Lot No.
Pin 1
1.2
±0.15
12
0.85
+0.2
−0.1
±0.15
1.45
11×P2.54
±0.7
=27.94
±1.0
31.5max.
0.55
+0.2
−0.1
2.2
±0.7
27pin
0.5
+0.15
−0.05
1pin
#
26pin
P1.27
±0.7
×
26=33.02
27pin
0.3
+0.15
−0.05
#
2.54
±0.6
R : 0.3mm
(Note) Dimensions marked with a # indicate dimensions of
lead tip.
1 2 3 4 5 6 7 8 9 10 11 12
106
SI-7502
(SLA5011/SLA6503)
0.8 max
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