NXP Semiconductors

FS8600_SDS

Fail-safe system basis chip with multiple SMPSs and LDOs

• 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 thru XFAILB pin

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

• Device control via 32 bits I2C interface with 8-bit CRC

Compliancy

• EMC optimization techniques 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

• External IC failure monitoring

• Logical and Analog Built-in Self-Test

• 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

3 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

FS8600_SDS

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2021. All rights reserved.

Product short data sheet

Rev. 1.1 — 23 November 2021

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