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| VB921ZVFI Datasheet, PDF (1/7 Pages) STMicroelectronics – HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C. | |||
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VB921ZVFI
®
/ VB921ZVSP
HIGH VOLTAGE IGNITION COIL DRIVER
POWER I.C.
TYPE
VB921ZVFI
VB921ZVSP
Vcl
340V
Icl
7.5A
Vcg(sat)
2.5V
n NO EXTERNAL COMPONENT REQUIRED
n INTEGRATED HIGH VOLTAGE CLAMP
n COIL CURRENT LIMIT INTERNALLY SET
n HIGH RUGGEDNESS
DESCRIPTION
The VB921ZVFI, VB921ZVSP is a monolithic high
voltage integrated circuit made using the
STMicroelectronics VIPower⢠M1-2 technology,
which combines a vertical current flow power
trilinton with a coil current limiting circuit and a
collector voltage clamping. The device is
particularly suitable for application in high
performance electronic car ignition, where coil
current limitation and voltage clamping are
required.
3
2
1
ISOWATT220
10
1
PowerSO-10â¢
ORDER CODES:
ISOWATT220
VB921ZVFI
POWERSO-10â¢
VB921ZVSP
BLOCK DIAGRAM
HVc
VIN
October 2000
CONTROL
UNIT
R
SENSE
GND
ND8012
1/7
1
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