VB525SP datasheet(9/19 Pages) STMICROELECTRONICS | High voltage ignition coil driver power integrated circuit

Part #	VB525SP

Description	High voltage ignition coil driver power integrated circuit

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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9 / 19 page

VB525SP-E

Electrical characteristics

Doc ID 18022 Rev 2

9/19

3

Electrical characteristics

5.3 V < Vbat < 24 V; VCC = 5 V ±10 %; -40 °C < Tj < 125 °C; Rcoil =580 mΩ; Lcoil =3.75mH

unless otherwise specified(a).

a.

Parametric degradation are allowed with 5.3 V< Vb < 10 V and Vb >24V.

Table 5.

Electrical characteristics

Symbol

Parameter

Test conditions

Min

Typ

Max Unit

Vcl

High voltage clamp

Icoil = 6.5 A

320

380

420

V

Vlcl

Low voltage clamp

Icoil = 6.5 A; Tj =Tsd

30

40

50

V

Vce(sat)

Power stage

saturation voltage

IC =6A; VIN =4V

1.5

2

V

ICC(stdby)

Standby supply

current

IN = Off

11

mA

ICC

DC logic current

Vb =16V; IC = 6.5 A; f = 100 Hz;

Load = Coil; VCC =5.5 V

40

mA

ICC(peak)

Peak DC logic current

during on phase

IC = 6.5 A

100

150

mA

VCC

DC logic voltage

4.5

5.5

V

Icl

Coil current limit

-40 °C < Tj < 125 °C

(1)

911

A

Ic(off)

Output off-state

current

IN = Off; VHVC =24V; VCC =5V;

Tj =25°C

5mA

VINH

High level input

voltage

VCC =4.5 V

4

VCC

V

VINL

Low level input voltage VCC = 5.5 V

-0.3

0.8

V

VIN(hyst)

Input threshold

hysteresis

0.4

V

IINH

High level input

current

VIN =4V

100

µA

IINL

Low level input current VIN =0.8 V

0

30

µA

IINpd

Input active pull down

VIN =4V

10

100

µA

VdiagH

High level flag output

voltage

REXT =22KΩ; CEXT =1nF

(2)

VCC - 1

VCC

V

VdiagL

Low level flag output

voltage

REXT =22KΩ; CEXT =1nF

(2)

0.5

V

IdiagTH

Coil current level

threshold

Tj = 25 °C

4.25

4.5

4.75

A

IdiagTD

Coil current level

threshold drift

(See Figure 4)

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