SI-7115B Datasheet, PDF (1/5 Pages) Sanken electric – Unipolar Driver ICs

Unipolar Driver ICs
SI-7115B
s Characteristics
Parameter
Applied
voltage
Type No.
Vsurge(V)
SI-7115B
40
(Ta = 25°C)
Absolute maximum rating
Electrical characteristics
Phase switching signal input
Output
current
Io(A/ø)
Junction
temperature
Tj(°C)
Operating Storage
Supply Output Input Oscillation
ambient temperature voltage current current frequency Output
temperature
Vcc(V)
Io(A) Iin(mA) f (kHz) current
Top(°C) Tstg(°C) min typ max min max min max min max (A/ø)
ON
Input Input
voltage current
(V)min (mA)min
OFF
Input
voltage
(V)max
0.2
2.7
1.0
0.5
3.1
1.2
1.7
125
–20 to +80 –30 to [phone] 0.2 1.5
5.0 19 24
0.8
1.0
3.6
1.4
1.5
4.5
2.0
s Block diagram
VCC
Reference
voltage
Oscillator
circuit
Comparator
amplifier
Rx
Output current fine
adjustment resistor
Excitation signal (4-phase)
Current
controller
Counter EMF
canceller
Excitation signal
amplifier
SI-7115B
M
Current detection
resistor
s Equivalent circuit diagram
18
Q1
Q2
6
D4
9
17
D5
14
7
10
D1
D3
D2
D6
16
13
8
15
Q3
Q4
Q5
Q6
RS1
11
1
+
–
4
RS2
12
+
–
5
2
3
s External connection diagram
VCC
Excitation A
signal _B
input
Active
High
A
B
µF
2.2 +
a
10V
–
Rx
b
18
8
17
13
10
6
15
1 SI-7115B
2
4
5
3 ₁₁
7
9
14
16
12
Stepper motor
A _{AB B}
33