DESCRIPTION

The L9346 is a monolithic integrated quad low side driver realized in an advanced Multipower BCD mixed technology. The device is intended to drive valves in automotive environment.

The inputs are μP compatible. Particular care has been taken to protect the device against failures, to avoid electromagnetic interferences and to offer extensive real time diagnostic.

■ QUAD POWER LOWSIDE DRIVER WITH 2 x 5A AND2 x 3AOUTPUT CURRENT CAPABILITY

■ LOW RDSON TYPICALLY 200m? AND 300m? @ Tj = 25°C

■ INTERNAL OUTPUT CLAMPING STRUCTURES WITH VFB = 50V FOR FAST INDUCTIVE LOAD CURRENT RECIRCULATION

■ LIMITED OUTPUT VOLTAGE SLEW RATE FOR LOW EMI

■ PROTECTED μP COMPATIBLE ENABLE AND INPUT

■ WIDE OPERATING SUPPLY VOLTAGE RANGE 4.5V TO 32V

■ REAL TIME DIAGNOSTIC FUNCTIONS:

- OUTPUT SHORTED TO GND

- OUTPUT SHORTED TO VSS

- OPEN LOAD MEASURED IN ON AND OFF CONDITION

- LOAD BYPASS DETECTION

- OVERTEMPERATURE DEVICE PROTECTION FUNCTIONS:

- OVERLOAD DISABLE

- REVERSE SUPPLY VOLTAGE PROTECTED VS UP TO -2V

- SELECTIVE THERMAL SHUTDOWN