Sanken Electric Co SI-7230M Datasheet
Bipolar Driver IC
SI-7230M
■ Ratings
(Ta = 25°C)
Absolute Supply voltage Peak voltage of Output current Junction Operating Storage
maximum pins CA and CB temperature ambient temperature
rating (V) (V) (A) (°C) temperature (°C) (°C)
Type No. VCC1 VCC2 VSP Io Tj Top Tstg
SI-7230M 50 7 70 3.2 +125 –20 to +80 –30 to +100
■ Characteristics
Electrical Supply voltage Output current *Comparator threshold voltage Excitation signal
charac- input voltage signal frequency input
teristics input
(V) (mA/ø) (V) (V) (mA) (kHz) (mA)
VCC1 VCC2 IO IOM VTHF VTHPD VIL(ON) VIH(OFF) IIL FICC2
Type No. min typ max min typ max min max min typ max min typ max min typ max min max min max max min typ max max
SI-7230M 15 30 45 4.5 5 5.5
200 3000 535 580 625
1.025 1.125 1.225 0.515 0.555 0.595
0 0.5
VCC2 VCC2
–0.4 +2
*VTHF : Conditions shown in the standard external connection diagram with VCC2 = 5V and RS = 1Ω
VTHPD : Conditions shown in the standard external connection diagram with RX = 1kΩ, VCC2 = 5V and RS = 1Ω
Excitation
Oscillation VCC2
current
1.6 19 21 25 150
■ Block diagram
Variable current
resistor Rx
Excitation signal
(4-phase)
Auxiliary power
supply V
Reference
voltage
Trigger pulse
generator
circuit
CC
2
Comparator
amplifiter
SI-7230M
Main power
supply VCC1
Current
controller
Excitation signal amplifier
Counter EMF
Canceller
Current detection
resistor R
M
+
C
A
, C
B
S
current
■ Equivalent circuit diagram
AIN CA
72
CC1
50
V
1
CC2
V
10
R49
11
V
REF
R50
R
47
9
V
refA
G
12
13
refB
V
R
R
Tngger pulse
generator circoit
R
R
43
–
+
1C2/2
R45
D
9
R
9
T
5
R
13
T
41
R
R33
AOAO
45
1
Tr1
D
1
r9
R
25
r13
T
r5
R
29
21
Tr17
D
R37R
38
D5 D6
T
Tr18
63
SA G
R
Tr2
2
R
r6
R
30
IN
IN
B
A
B
8
15
10
D
R
2
R3
BO18BO
C
20
17
IN
B
14
R4
Tr3 Tr4
R
10
R
11
D
T
r10
26
R
14
T
r14
R
22
R
R18
R34
R
R
6
7
R
R
42
R
44
48
R
1C1/2
46
R
3
T
r11
R
27
15
T
r15
T
r7
R
31
R
23
19
T
r19
R
35
D
R39R
40
D7 D8
T
T
r20
619
SB G
R
R
4
r8
12
T
r12
R
8
R
28
R
16
T
r16
R24R
32
R
20
R36
SI-7230M
■ External dimensions
(Unit: mm)
SI-7230M Plastic package
±0.5
69.0
±0.4
63.0
16.6
±0.5
35.0
±1
8.6
Type No.
Lot No.
....................................
12
8.0
φ
20Pin No.
3.4
P = 2.54
1.8 3.8
3
■ Standard external connection diagram
V
Excitation
signal input
Active Low
(Power down)
PD
CC2
A
A
B
B
10K
+
22 F
10V
µ
A
A
B
B
REF
V
V
refA
V
refB
R
X
2SC2002
IN
IN
IN
IN
7
8
15
14
11
9
13
RSAR
V
CC2VCC1
10 1
SI-7230M
6 1612319
SB
I
O
O
A
4
A
O
5
B
O
I
O
18
B
O
17
2
+
C
A
10 F
µ
100V
+
20
µ
10 F
C
B
100V
7.0
3.5
±0.5
1.4
+
100 F
100V
0.5
V
CC1
µ
G
* For details on the characteristics and thermal design, refer to the
technical manual.
51
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