L9377

DUAL INTELLIGENT POWER LOW SIDE SWITCH

DUAL POWER LOW SIDE DRIVER WITH 2 x

5A

INTERNAL OUTPUT CLAMPING DIODES

LIMITED OUTPUT VOLTAGE SLEW RATE

FOR LOW EMI

µP COMPATIBLE ENABLE AND INPUT

WIDE

OPERATING

SUPPLY

VOLTAGE

RANGE 4.5V TO 45V

REAL TIME DIAGNOSTIC FUNCTIONS:

- OUTPUT SHORTED TO GND

- OUTPUT SHORTED TO VSS

- OPEN LOAD

- LOAD BYPASS

DEVICE PROTECTION FUNCTIONS:

- OVERLOAD DISABLE

- THERMAL SHUTDOWN

DESCRIPTION

The L9377 is a monolithic integrated dual low

side driver realized in an advanced Multipower-

BCD mixed technology. It is especially intended

to drive valves in automotive environment. Its in-

puts are

µP compatible for easy driving. Particular

care

has

been taken to protect the device

against failures, to avoid electro-magnetic inter-

ferences and to offer extensive real time diag-

nostic.

July 2000

®

OUT1

OUT2

VS

Channel 2

Output

Control

Overtemp

R

QS

Overload

Openload

GND

DIAG2

IN2

EN

IN1

R O

Delay

Timer

Diagnostic

Control

Channel 1

DIAG1

BLOCK DIAGRAM

DIE

ORDERING NUMBER: L9377DIE1

MULTIPOWER BCD TECHNOLOGY

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