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Features and benefits

Operating Range

? 60 V DC maximum input voltage for 24 V battery network applications

? 36 V DC maximum input voltage for 12 V battery network applications

? Support operating voltage range down to 4.5 V battery voltage with VPRE = 3.3 V

? Low power OFF mode with low sleep current (10 μA typ.)

Power Supplies

? VPRE: Synchronous high voltage buck controller with external FETs

– Configurable output voltage from 3.3 V to 5.0 V and current capability up to 15 A DC

– Selectable switching frequency in force PWM with APS

? BOOST: Low voltage boost converter with integrated low-side FET

– Configurable output voltage from 5 V to 6 V and current capability up to 1 A DC

? BUCK: Low voltage integrated synchronous BUCK converter

– Configurable output voltage from 1.0 V to 3.3 V and current capability up to 2.5 A DC

? LDO1: Low voltage LDO regulator for MCU I/O and system peripheral support with load

switch capability

– Configurable output voltage from 1.5 V to 5.0 V and current capability up to 400 mA

DC

? LDO2: Medium voltage LDO regulator for MCU I/O and system peripheral support

– Configurable output voltage from 1.1 V to 5.0 V and current capability up to 400 mA

DC

System support

? 2x input pins for wake-up detection, 3.3 V compatible and battery voltage sensing

capability

? Analog multiplexer with full system voltages monitoring

? Enhanced leader/follower power up sequencing management through XFAILB pin

? 10 ms optional RSTB release delay during power up for certain MCU compliancy

? Device control via 32 bit I2C interface with 8-bit CRC

Compliancy

? EMC optimization features on switching regulators including spread spectrum, slew

rate control and manual frequency tuning

? EMI robustness supporting various automotive EMI Test standards

? Conducted Emission: IEC 61967-4

? Conducted Immunity: IEC 62132-4

? Radiated emission: FMC1278 rev. 3 from 2018

? Radiated immunity: FMC1278 from 2018 and ISO11452-4

Functional Safety

? Scalable portfolio to fit for ASIL B to ASIL D automotive safety systems

? Independent voltage monitoring circuitry

? Up to 10 voltage monitoring input for FS86 and external PMIC voltage rails with 1

target accuracy

? Dedicated interface for MCU monitoring with simple or challenger watchdog monitoring

? MCU hardware failure monitoring with PWM monitoring capability (FCCU)

? External IC failure monitoring (ERRMON)

? Logical and analog built-in self-test (LBIST, ABIST)

? Safety outputs with latent fault detection mechanism (PGOOD, RSTB, FS0B)

Configuration and Enablement

? QFN 48 pins with exposed pad for optimized thermal management

? OTP programming for device customization

Applications

? Domain controller (ADAS, electrification, infotainment, etc.)

? Radar (radar, imaging radar)

? Vision (mono camera, stereo camera, night vision, etc.)

? 24 V battery network (60 V maximum): Truck, bus, transportation

? 12 V battery network (36 V maximum): Automotive