SGM42148Q.pdf? 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 3.3V and 5V
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
