SI7115B Sanken Electric Co., Ltd., SI7115B Datasheet

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SI7115B

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

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