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VB921ZVSPDatasheet PDF
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October 2000 1/7
®
VB921ZVFI
/ VB921ZVSP
HIGH VOLTAGE IGNITION COIL DRIVER
POWER I.C.
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.
TYPE V
cl
I
cl
V
cg(sat)
VB921ZVFI
VB921ZVSP
340V 7.5A 2.5V
1
ISOWATT220
BLOCK DIAGRAM
PowerSO-10™
1
10
1
2
3
GND
ND8012
CONTROL
UNIT
R
SENSE
V
IN
HV
c
ORDER CODES:
ISOWATT220
POWERSO-10™
VB921ZVFI
VB921ZVSP
Obsolete Product(s) - Obsolete Product(s)
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