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PDF SI-7115B Data sheet ( Hoja de datos )
| Número de pieza | SI-7115B | |
| Descripción | Unipolar Driver ICs | |
| Fabricantes | Sanken electric | |
| Logotipo |  |
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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 +100 20 24 30 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
signal
input
Active
High
A
B
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
1 page  
SI-7200M, SI-7230M, SI-7115B, SI-7300A,
SI-7330A, SI-7500A and SI-7502
Handling Precautions
(Note: The SI-7502 is applicable for item (2) only.)
For details, refer to the relevant product specifications.
(1) Tightening torque:
The torque to be applied in tightening screws when mounting the IC on a
heatsink should be below 49N•m.
(2) Solvent:
Do not use the following solvents:
Substances that
Chlorine-based solvents
: Trichloroethylene,
dissolve the package
Trichloroethane, etc.
Aromatic hydrogen compounds : Benzene, Toluene,
Xylene, etc.
Ketone and Acetone group solvents
Substances that
Gasoline, Benzine and Kerosene
weaken the package
(3) Silicone grease:
The silicone grease to be used between the aluminum base plate of the hybrid
IC and the heatsink should be any of the following:
• G-746 SHINETSU CHEMICAL INDUSTRIES CO., LTD.
• YG6260 TOSHIBA SILICONE CO., LTD.
• SC102 DOW CORNING TORAY SILICONE CO., LTD.
Please pay sufficient attention in selecting silicone grease since oil in some
grease may penetrate the product, which will result in an extremely short
product life.
Others
• Resistance against radiation
Resistance against radiation was not considered in the development of these ICs
because it is assumed that they will be used in ordinary environment.
54
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet SI-7115B.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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