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SI7300A

Description
STEPPER MOTOR CONTROLLER, 3.2 A, PSFM20
Categoryaccessories   
File Size67KB,5 Pages
ManufacturerSANKEN
Websitehttp://www.sanken-ele.co.jp/en/
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SI7300A Overview

STEPPER MOTOR CONTROLLER, 3.2 A, PSFM20

Unipolar Driver ICs
SI-7300A and SI-7330A
s
Ratings
Absolute
maximum
rating
Type No.
SI-7300A
SI-7330A
Supply voltage
(V)
V
CC1
48
42
V
CC2
8
8
Output
current
(A)
Io
1.7
3.2
Junction
temperature
(°C)
Tj
+125
+125
Operating
ambient
temperature (°C)
Top
–20 to +80
–20 to +80
(Ta = 25°C)
Storage
temperature
(°C)
Tstg
–30 to +100
–30 to +100
s
Characteristics
Electrical
charac-
teristics
Supply voltage
Output current
V
CC2
input
current
Oscillation
frequency
External
zener diode
breakdown
voltage
(V)
V
Z
min
V
CC1
+5
V
CC1
max
70
43
(Ta = 25°C)
Input excitation signal (active high)
Input voltage (V)
High level input current (mA)
Low
High
Io=
Io=
Io=
Io=
level
level
0.5A/ø 1.0A/ø 1.5A/ø 3.0A/ø
(OFF)
(ON)
V
IL
max
0.8
0.3
V
IH
typ
2.8
1.8
l
IH
l
IH
l
IH
l
IH
min max min max min max min max
2.2 10.0 3.0 10.0 4.9 10.0
5
100
15 100 40 100
(V)
V
CC1
Type No.
SI-7300A
SI-7330A
V
CC2
I
O
(mA/ø)
I
OM
*
(mA)
l
CC2
max
45
45
min
19
19
(kHz)
F
typ max
21
21
25
25
min typ max min typ max min max min typ max
15
15
30
30
42 4.5
35 4.5
5
5
5.5 200 1500 535 580 625
5.5 200 3000 535 580 625
* Measurement conditions are as shown in the external connection diagram.
s
Block diagram
SI-7300A
Auxiliary power
supply V
CC
2
Reference
voltage
R
X
Trigger pulse
generator
circuit
Excitation
signal
amplifier
Excitation signal
(4-phase)
Current detection
resistor Rs
Rx : Variable current resistor
Counter EMF
canceller
Comparator
amplifier
Main power
supply V
CC
1
Zener diode for
cancelling counter EMF
ZD
Current
controller
M
s
External connection diagram
SI-7300A
V
CC2
+
2.2µF
10V
9
1
16
15
14
13
8
510Ω×4
A
B
A
B
4
10
6
12 SI-7300A
2
18 16 3 13
9
11
I
O
M measurement conditions
V
CC1
= 30V
V
CC2
= 5V
R
SA
, R
SB
= 1.8Ω
RX : Open
SPM : Rm = 3.6Ω/
φ
: Lm = 9.0mH/
φ
ZD : V
Z
= 60V
1
14
8
15
A
5
7
17
I
O
B
B
A
F.C
SI-7330A
ZD
+
100
µ
F
50V
V
CC1
V
CC2
+
2.2
µ
F
10V
9
16
15
14
13
8
2
10kΩ
82Ωx4
A
B
13
1
16
ZD
A
ZD
B
+
100µF
50V
V
CC1
I
O
A 1
Excitation
signal input
(active low)
11 6
18
2
3
4
I
O
F.C
SPM
Excitation
signal input
(active low)
B 2
A 3
B 4
TD62302P
(Toshiba)
(Open collector)
PD
8
A 9
B
4
A
SI-7330A
12
10
15
I
O
B
7
5
A
10k
Rx
SPM
B
2SC2002
R
SA
R
SB
TD62302P
(Toshiba)
(Open collector)
PD
R
X
17 19 20 14 3
R
SA
R
SB
I
O
M measurement conditions
V
CC1
= 30V
V
CC2
= 5V
R
SA
, R
SB
= 1.8Ω
RX : Open
SPM : Rm = 3.6Ω/
φ
: Lm = 9.0mH/
φ
ZD : V
Z
= 43V
29

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