VB325SPTR-E datasheet(3/9 Pages) STMICROELECTRONICS

Part #	VB325SPTR-E

Description	HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C.

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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VB325SP

ELECTRICAL CHARACTERISTICS (5.3V < Vbat < 24V; VCC=5V ± 10%; -40ºC < Tj < 125ºC; Rcoil=580mΩ;

Lcoil=3.75mH unless otherwise specified; See note 1)

Note 1: parametric degratation are allowed with 5.3<Vb<10V and Vb>24V.

Note 2: the primary coil current value Icl must be measured 1ms after desaturation of the power stage.

Note 3: no internal Pull-down.

Note 4: if ENABLE pin is floating OUT=Off for every input status.

(*) Internally Limited

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

Vcl

High Voltage Clamp

Icoil=6.5A

320

380

420

V

Vlcl

Low Voltage Clamp

Icoil=6.5A; Tj=Tsd

30

40

50

V

Vce(sat)

Power Stage Saturation

Voltage

IC=6A; VIN=4V

1.5

2

V

ICC(stdby)

Stand-by Supply Current

IN=Off

11

mA

ICC

DC Logic Current

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

VCC=5.5V

40

mA

ICC(peak)

Peak DC Logic Current

during On Phase

IC=6.5A

100

150

mA

VCC

DC Logic Voltage

4.5

5.5

V

Icl

Coil Current Limit

-40ºC < Tj < 125ºC (See note 2)

9

11

A

Ic(off)

Output Off State Current

IN=Off; VHVC=24V; VCC=5V; Tj=25ºC

5

mA

VINH

High Level Input Voltage

VCC=4.5V

4

VCC

V

VINL

Low Level Input Voltage

VCC=5.5V

-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=0.8V

0

30

µA

IINpd

Input Active Pull Down

VIN=4V

10

100

µA

VdiagH

High Level Flag Output

Voltage

REXT=22KΩ; CEXT=1nF (See note 3)

VCC - 1

VCC

V

VdiagL

Low Level Flag Output

Voltage

REXT=22KΩ; CEXT=1nF (See note 3)

0.5

V

IdiagTH

Coil Current Level

Threshold

Tj=25ºC

4.25

4.5

4.75

A

IdiagTD

Coil Current Level

Threshold Drift

(See figure 1)

Idiag

High Level Flag Output

Current

IC > IdiagTH; Vdiag=3V

0.5

mA

Idiag(leak)

Leakage Current on Flag

Output

VIN=Low; VCC=5.5V

10

µA

VF

Antiparallel Diode Forward

Voltage

IC= -1A

2

V

Es/b

Single Pulse Avalanche

Energy

L=6mH; IC= 8A

180

mJ

tON

Turn-on time

Rc=0.5Ω; Lc=3.75mH; Tj=25ºC;

Vbat=13V (See figure 6)

15

µs

tOFF

Turn-off time

Rc=0.5Ω; Lc=3.75mH; IC=6.5A; Tj=25ºC;

Vbat=13V (See figure 6)

15

25

µs

Tsd

Thermal shut-down

intervention

150

ºC

VEH

High Level Enable Voltage VIN=VINH; OUT=Off (See Note 4)

2

V

VEL

Low Level Enable Voltage

VOUT free to follow VIN

0.40

V

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