L9651 データシートの表示（PDF） - STMicroelectronics

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L9651

SMART QUAD SWITCH

STMicroelectronics 

ELECTRICAL CHARACTERISTCS (continued)

Symbol

Parameter

Test Condition

Output voltage monitoring Output off

VOL Open load threshold voltage

(fault detected if VOUTi < VOL)

7.5V < VBAT < 22V

VSG Short to GND threshold voltage

(fault detected if VOUTi < VSG)

Open load diagnostic current Output off

7.5V < VBAT < 22V

Open load output voltage

IOUT = 0 A

VINi = 5V

7.5V < VBAT < 22V

- IOUTi Output current

IOUTi Output current

Overload Diagnostic

VOUT = 1V

VINi = 5V

VOUT = VBAT

VINi = 5V

7.5V < VBAT < 22V

Over temperature diagnostic

TJ

IOUTi Over current

TJ = -40°C

TJ = 25°C

TJ = 150°C

Figure 1. Typical Timing Diagram for Serial Diagnostic

Fault: Short to Battery or over temp.

o. k.

< tv

Fault: Open Load or Short to GND

o. k.

L9651

Min. Typ. Max. Unit

2/3VBAT

1/3VBAT

1/2VBAT

50

100 150

A

200 320 500

A

175

°C

3.0

4.3

A

2.5

3.7

A

2.2

3.5

A

H

DI

L

H

SY

L

H

CL

L

H

DO

L

Di1 Di2 Di3

tvhold

tvset

1/fCL

tvDV

Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Di1 Di2 Di3

tv

Shift Register Data Frozen

Reset of Shift Register

5/9

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