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VB125 の電気的特性と機能

VB125のメーカーはSTMicroelectronicsです、この部品の機能は「HIGH VOLTAGE IGNITION COIL DRIVER POWER IC」です。


製品の詳細 ( Datasheet PDF )

部品番号 VB125
部品説明 HIGH VOLTAGE IGNITION COIL DRIVER POWER IC
メーカ STMicroelectronics
ロゴ STMicroelectronics ロゴ 




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VB125 Datasheet, VB125 PDF,ピン配置, 機能
® VB125SP
HIGH VOLTAGE IGNITION COIL DRIVER
POWER IC
TYPE
VB125SP
VCL
370 V
ICL ICC
9 A 200 mA
TARGET DATA
s PRIMARY COIL VOLTAGE INTERNALLY SET
s COIL CURRENT LIMIT INTERNALLY SET
s LOGIC LEVEL COMPATIBLE INPUT
s BATTERY OPERATION
s SINGLE FLAG-ON COIL CURRENT
s TEMPERATURE COMPENSATED HIGH
VOLTAGE CLAMP
DESCRIPTION
The VB125SP is a high voltage power integrated
circuit made using SGS-THOMSON
Microelectronics Vertical Intelligent Power
Technology, with vertical current flow power
darlington and logic level compatible driving
circuit.
The VB125SP can be directly biased by using the
12V battery voltage, thus avoiding to use a low
voltage regulator. It has built-in protection circuits
for coil current limiting and collector voltage
clamping. It is suitable as smart, high voltage, high
current interface in advanced electronic ignition
system.
10
1
PowerSO-10
BLOCK DIAGRAM
VCC
6
CS HVC
8 TAB
INPUT 9
DRIVER
FLAG 10
FLAG
VOLTAGE
REFERENCE
THERMAL
PROTECTION
RSENSE
(*) Pins 1...5
7
GND (Control)
*
GND (Power)
September 1997
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.
1/8
1

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VB125 pdf, ピン配列
VB125SP
ELECTRICAL CHARACTERISTICS (Vbat = 6 to 24V; -40°C<Tj<125°C; Rcoil = 400 to 700m ; Lcoil = 2
t6omH; unless otherwise specified; See Note 1)
Symbol
VCL
VCE(sat)
ICC(off)
ICC(on)
ICL
VinH
VinL
VIN(hyst.)
IinH
Ii nL
VdiagH
VdiagL
IdiagTH
Idiag
Idiag(leak)
VF
Es/b
Tj
td(on)
td(off)
td(off)
Parameter
Test Conditions
High Voltage Clamp
Saturation Voltage of the Power
Stage
IC = 6.5 A; (See Note 2)
IC = 5A; Vin = 4V (See Note 3)
Power Off Supply Current
Power On Supply Current
Coil Current Limit
High Level Input Voltage
Vin=0.4V Vbat= 14V(Notes 4-5)
Vin=0.4V Vbat = 24 V
VIn = 4 V Vbat<14V (Note 4-5)
Vin = 4 V Vbat = 24 V
Vin = 4 V (See Note 6-7)
Low Level Input Voltage
Input Hysteresis Voltage
High Level Input Current
Low Level Input Current
High Level Diagnostic Output
Voltage
Low Level Diagnostic Output
Voltage
Vin = 4 V
Vin = 0.8 V
REXT = 22 K
(See Note 8)
REXT = 22 K
(See Note 8)
CEXT = 1 nF
CEXT = 1 nF
Current Threshold Level Diag-
nostic
Tj = 25 °C (See Note 7and fig. 5)
High Level Flag Output Current IC>IDiagTH (See Note 7)
Leakage Current on Flag Output Vin = LOW
Antipallel Diode Forward Voltage IC = -1 A
Single Pulse Avalanche Energy
Thermal Output Current Control IN = ON (See Note 9)
Turn-on Delay Time of Output
Current
(See Note 10)
Turn-off Delay Time of Output
Current
(See Note 11)
Turn-off Delay Time of Output
Current
(See Note 11)
Min.
340
8
4
0.4
10
3.5
4.25
0.5
300
150
Typ.
370
4.5
TBD
TBD
TBD
Max.
400
2
20
80
220
300
10
0.8
150
-100
5.5
0.5
4.75
10
2
Unit
V
V
mA
mA
mA
mA
A
V
V
V
µA
µA
V
V
A
mA
µA
V
mJ
°C
µs
µs
µs
FIGURE 1: Temperature Compensated High
Voltage Clamp
HVC
nVZ
Ri1
KVbe
Rii
Rsens
PWR GND
FIGURE 2: Electrical Characteristic of the Circuit
Shown in Figure 1
IC [mA]
40
30
20
slope ∝ ∑Ri
10
100
200
nVZ
300 VCL 400VCE [V]
3/8


3Pages


VB125 電子部品, 半導体
VB125SP
FIGURE 5: Waveforms
INPUT
IC
HVC
FLAG
6.5A
4.5A
FIGURE 6: Flag Current Versus Temperature
Iflag (A)
5.0
4.5
4.0
3.5
-50
0
50 100 Tcase (oC)
FIGURE 7: Application Circuit
VBAT
VCC HVC
INPUT
µP FLAG VB125SP
1nF
CEXT
22K
REXT
GND
PWR
GND
100nF
CS
6/8
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