Features

• AEC-Q100 automotive qualified

• General

– High side switch Control IC with e-fuse protection for Automotive 12 V, 24 V

and 48 V applications

– SPI slave interface for host control

– 32-bit ST-SPI interface compatible with 3.3 V and 5 V CMOS level

– 2 stage charge pump

– Gate drive for an external MOSFET in high side configuration

– High precision uni-directional digital current sense via SPI through an

external high side shunt resistor

– Input for a NTC resistor to monitor the external MOSFET temperature

– Very low standby current

– Robust fail-safe functionality through internal and external controls

– SPI register lock-out by a dedicate digital input pin

– Integrated ADC for TJ, VNTC, VOUT and VDS conversion

• Protections

– Battery under-voltage shut-down

– External MOSFET desaturation shutdown configurable via SPI

– Hard short circuit latch-off configurable via SPI

– Current vs time latch-off configurable via SPI (fuse-emulation)

– Device overtemperature shutdown

– External MOSFET overtemperature shutdown

• Intelligent high current fuse replacement for automotive applications

• Especially intended for automotive power distribution applications

Description

The device is an advanced controller for a power MOSFET in high side configuration,

designed for the implementation of an Intelligent High Side Switch for 12 V, 24 V and

48 V automotive applications. The Control IC is interfaced to a host microcontroller

through a 3.3 V and 5 V CMOS-compatible SPI interface and provides protection and

diagnostics to the system.