VB025SP datasheet(3/7 Pages) STMICROELECTRONICS

Part #	VB025SP

Description	HIGH VOLTAGE IGNITION COIL DRIVER POWER IC

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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CONNECTION DIAGRAM

PIN FUNCTION

No

NAME

F UNCTIO N

1-5

GND

Emitt er Power Ground

6

GND

Cont rol G round (*)

7VCC

Logic Supply Volt age

8

BD

Base Darlingt on

9

I NPUT

Logic Input Channel (Int ernal Pull Down)

10

FLAG

Diagnostic Output Signal (Open Emitter)

TAB

HVC

Primary Coil Out put Driver (Open Collect or)

(*) Pin 6 must be connected to pins 1-5 externally

ELECTRICAL CHARACTERISTICS (5.3V < Vb < 24V; VCC =5 V

± 10%; -40oC< Tj < 125oC;

Rcoil = 580 m

Ω;Lcoil = 3.75 mH; unless otherwise specified; see note 1)

Symbol

Parameter

Test Cond iti ons

Min.

Typ.

Max.

Un it

Vcl

High Volt age Clamp

Icoil = 6. 5 A

320

380

420

V

Vce (sat)

Saturation Voltage of The

Power Stage

Ic =6.5A;

Vin =4V

1.5

2

V

ICC(st dby)

St and-by Supply Current

IN = OF F

10

mA

ICC

DC Logic Current

Vb =16 V

Ic =6.5 A f =100 Hz

Load = Coil

VCC =5. 5V

40

mA

ICC(pea k)

Peak DC Logic Current

During On Phase

Ic = 6.5 A

(see figure 1)

100

150

mA

VCC

DC Logic Volt age

4.5

5. 5

V

Icl

Coil Current Limit

-40

oC< Tj <125oC

(see not e 2 and f igure 1)

8. 25

10

A

Ic( le ak)

Output leakage Current

IN = OF F

VHVC = 24V

0. 8

mA

IC(infl)

Collector Current with

Float ing Input

VCC = 5 V

VBat = 13. 5 V

RLOAD =1K

Ω;

Input Floating

0. 8

mA

TIc_ctr

Thermal Temperature

Output Current Cont rol

OUT = ON

(see figure 2)

150

(*)

oC

VB025SP

3/7

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