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.