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产品信息
Four low-side output driver with protection
diagnostics designed as a conventional switch
– 2 channels with 5 A output current
capability and rON = 0.2 typ.
– 2 channels with 3 A output current
capability and rON = 0.3 typ.
■ Integrated 60 V Zener diodes output clamping
structure
■ Output slope control
■ Short circuit protection
■ Open load detection in ON and OFF condition
■ Load bypass detection
■ Overload disable
■ Signal and power ground loss shutdown
■ Selective overtemperature shutdown
■ Electrostatic discharge (ESD) protection
Description
The L9349 is a monolithic IC designed to drive
inductive loads in low side configurations like
hydraulic valves used in ABS systems.
Particular care has been taken to protect the
device against failures, to avoid electromagnetic
interferences and to offer extensive real time
diagnostics.
The internal pull down current source at the
ENable and INput pins assures, that the device is
switched off, in case of open input conditions.
An output voltage slope limitation is implemented
to reduce the EMI.