October 2000

1/7

®

VB921ZVFI

HIGH VOLTAGE IGNITION COIL DRIVER

POWER I.C.

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

VB921ZVFI

VB921ZVSP

340V

7.5A

2.5V

1

ISOWATT220

BLOCK DIAGRAM

PowerSO-10™

1

10

1

2

3

GND

ND8012

CONTROL

UNIT

R

SENSE

ORDER CODES:

ISOWATT220

POWERSO-10™

VB921ZVFI

VB921ZVSP