VB125 데이터 시트보기 (PDF) - STMicroelectronics
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VB125 Datasheet PDF : 8 Pages
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VB125SP
HIGH VOLTAGE IGNITION COIL DRIVER
POWER IC
TYPE
VB125SP
VCL
370 V
ICL
ICC
9A
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
1/8
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.
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