SI7115B

Manufacturer Part NumberSI7115B
DescriptionSIP
ManufacturerSanken Electric Co., Ltd.
SI7115B datasheet
 
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Unipolar Driver ICs
SI-7115B
Characteristics
Parameter
Absolute maximum rating
Applied
Output
Junction
voltage
current
temperature
Type No.
Vsurge(V)
Io(A/ø)
Tj( C)
SI-7115B
40
1.7
125
Block diagram
Reference
Oscillator
voltage
circuit
Rx
Output current fine
adjustment resistor
Excitation signal (4-phase)
Equivalent circuit diagram
Q
Q
1
2
6
D
D
4
9
D
D
7
1
2
D
D
3
10
8
Q
Q
Q
3
4
5
R
S1
R
11
1
+
+
4
3
Electrical characteristics
Operating
Storage
Supply
Output
ambient
temperature
voltage
current
temperature
Vcc(V)
Io(A)
Top( C)
Tstg( C)
min typ max min max min max min max
–20 to +80 –30 to +100 20 24 30 0.2 1.5
V
CC
Comparator
Current
amplifier
controller
Counter EMF
canceller
Excitation signal
amplifier
SI-7115B
External connection diagram
18
17
5
14
16
6
13
Excitation
A
signal
B
input
A
15
Active
B
Q
High
6
F
S2
+
2.2
12
10V
Rx
5
2
(Ta = 25 C)
Phase switching signal input
Input
Oscillation
ON
OFF
current frequency Output
Input
Input
Input
Iin(mA)
f (kHz)
current
voltage current
voltage
(A/ø)
(V)min (mA)min (V)max
0.2
2.7
1.0
0.5
3.1
1.2
5.0 19 24
1.0
3.6
1.4
1.5
4.5
2.0
M
Current detection
resistor
V
CC
Stepper motor
18
8
17
13
10
6
15
SI-7115B
1
2
7
A
B
A
a
4
9
14
5
16
b
3 11
12
0.8
B
33