SI-7230M Datasheet, PDF (1/5 Pages) Sanken electric – Bipolar Driver IC

Bipolar Driver IC
SI-7230M
s Ratings
Absolute
maximum
rating
Type No.
SI-7230M
Supply voltage
(V)
VCC1
VCC2
50
7
Peak voltage of
pins CA and CB
(V)
VSP
70
Output current
(A)
Io
3.2
Junction
temperature
(°C)
Tj
+125
Operating
ambient
temperature (°C)
Top
–20 to +80
(Ta = 25°C)
Storage
temperature
(°C)
Tstg
–30 to +100
s Characteristics
Electrical
charac-
teristics
Type No.
Supply voltage
(V)
Output current
(mA/ø)
*Comparator threshold voltage
(V)
Excitation signal
input voltage
(V)
Excitation
signal
input
current
(mA)
Oscillation
frequency
(kHz)
VCC2
input
current
(mA)
VCC1
VCC2
IO
IOM
VTHF
VTHPD
VIL(ON)
VIH(OFF)
IIL
F
ICC2
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
1.6
19 21 25 150
* 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
s Block diagram
Auxiliary power
supply VCC2
Main power
supply VCC1
Variable current
resistor Rx
Excitation signal
(4-phase)
Reference
voltage
Comparator
amplifiter
Current
controller
Trigger pulse
generator
circuit
M
Excitation signal amplifier
SI-7230M
Counter EMF
Canceller
Current detection
resistor RS
+
CA, CB
s Equivalent circuit diagram
VCC1
1
VCC2
10
R49
AIN
CA
7
2
AOAO
45
D9
R1
AIN
BIN
CB
8
15
20
D10
BO BO
18 17
R2
R3
BIN
14
R4
Tr1
R9
R5 ^Tr9
D1
R37 R38
Tr2
R10
D2
Tr10 _R6
Tr3
R11
R7 ^Tr11
D3
R39 R40
Tr4
R12
D4
Tr12 _R8
11
VREF
R50
R13
Tr13
R43 ^{R41 R21}
R25
R29 ^Tr5
D5 D6
R26
R14
Tr6
Tr14
R30 R22
9
R47
–
VrefA
+
1C2/2
Tr17
Tr18
R48
R18
R45 _R33
R34
12G
13
VrefB
63
RSA G
R15
R42 ^Tr15
R44
R23
R27
R31 ^Tr7
D7 D8
R28
R16
Tr8
Tr16
R32 R24
R19
1C1/2
Tr19
R46 _R35
R20
Tr20
R36
6 19
RSB G
50