VB027BSP 查看數據表（PDF） - STMicroelectronics

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VB027BSP

HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C.

STMicroelectronics 

®

VB027BSP

HIGH VOLTAGE IGNITION COIL DRIVER

POWER I.C.

TYPE

VB027BSP

Vcl

320V

Icl

10.5A

Id(on)

160mA

s PRIMARY COIL VOLTAGE INTERNALLY SET

s COIL CURRENT LIMIT INTERNALLY SET

s LOGIC LEVEL COMPATIBLE INPUT

s DRIVING CURRENT QUASI PROPORTIONAL

TO COLLECTOR CURRENT

s DOUBLE FLAG-ON COIL CURRENT

DESCRIPTION

The VB027BSP is a high voltage power integrated

circuit made using the STMicroelectronics

VIPower™ technology, with vertical current flow

power darlington and logic level compatible

driving circuit. Built-in protection circuit for coil

current limiting and collector voltage clamping

allows the device to be used as smart, high

10

1

PowerSO-10™

voltage, high current interface in advanced

electronic ignition system.

BLOCK DIAGRAM

Vd

HVC

INPUT

DRIVER

FLAG

OVERTEMP.

PROTECTION

FLAG 1

+

-

-

FLAG 2

+

QUASI PROP.

BASE CURRENT

REFERENCE

RSENSE

June 1999

1/7

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