VB027SP-E datasheet(7/14 Pages) STMICROELECTRONICS

Part #	VB027SP-E

Description	High voltage ignition coil driver power integrated circuit

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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7 / 14 page

VB027SP-E

Electrical specifications

Doc ID 018828 Rev 1

7/14

2.3

Electrical characteristics

VCC =13.5V; Vd =5V; Tj =25°C; Rcoil = 510 mΩ; Lcoil = 7 mH unless otherwise specified.

Table 5.

Electrical characteristics

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Vcl

High voltage clamp

VIN =0.4 V; -40 °C ≤ Tj ≤ 125 °C;

IC =6A

300

360

400

V

Vcg(sat)

Power stage saturation voltage

IC =6A; VIN =4 V; Id =80mA

1.5

V

Vcg(sat)td

Power stage saturation voltage

derating in temperature

IC =6A; VIN =4 V;

-40 °C

≤ Tj ≤ 125 °C; Id =85mA

2V

Id(off)

Power-off supply current

VIN =0.4 V

8

mA

Id(on)

Power-on supply current

VIN =4 V; IC =6 A;

-40 °C

≤ Tj ≤ 125 °C

130

mA

Vd

Driving stage supply voltage

4.5

5.5

V

Icl

Collector current limit

VIN =4 V

(1)

88.5

9

A

Icl(td)

Collector current limit drift with

temperature

See Figure 3

VINH

High level input voltage

HVC <2V

4

5.5

V

VINL

Low level input voltage

IC <2mA; HVC =VCC

00.8

V

IINH

High level input current

VIN = 4 V

40

200

µA

VdiagH

High level diagnostic output voltage

REXT = 22 KΩ (See Figure 6)3.5

(2)

Vd

V

VdiagL

Low level diagnostic output voltage

REXT = 22 KΩ (See Figure 6)0.5

V

IC(diag1)

First threshold level collector current

4.25

4.5

4.75

A

IC(diag1)td

First threshold level collector current

drift with temperature

See Figure 4

IC(diag2)

Second threshold level collector

current

5.45

5.8

6.15

A

IC(diag2)td

Second threshold level collector

current drift with temperature

See Figure 5

td(off)

Turn-off delay time of output current

IC = 5.5 A

25

µs

tf(off)

Turn-off fall time of output current

IC =5.5 A

8

µs

td(diag)

Delay time of diagnostic current

REXT = 22 KΩ (See Figure 6)1

µs

tr(diag)

Turn-on rise time of diagnostic

current

REXT = 22 KΩ (See Figure 6)1

µs

tf(diag)

Turn-off fall time of diagnostic

current

REXT = 22 KΩ (See Figure 6)1

µs

1.

The primary coil current value Icl must be measured 1 ms after desaturation of the power stage.

2.

Vd - Vbe(on).

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