Safety System Basis Chip For Domain Controller, Fit For ASIL B and D



FS86, Safety SBC Block Diagram

FS86, Safety SBC Block Diagram


Power Management

  • Up to 60 V DC maximum input voltage
  • Up to 15 A HV BUCK with e-fuse protection
  • Multiple switch mode regulators as well as LDO voltage regulators and a boost
  • Low Power OFF (LPOFF) mode with very low sleep current (10 µA)

System Solutions

  • Enhanced leader/follower power up sequencing management thru XFAILB pin
  • 2x input pins for wake-up detection, 3.3 V compatible and battery voltage sensing capability
  • System added value to save space and reduce complexity: AMUX
  • External pre-regulator short-circuit protection (BAT_SW)
  • Supplies, sequencing and specific functions can be programmed by One Time Programmable (OTP) memory
  • 10 ms optional RSTB release delay during power up for certain MCU compliancy
  • Device control via 32 bits I2C interface with 8-bit CRC
  • EMC optimization technics on switching regulators including spread spectrum, slew rate control and manual frequency tuning

Functional Safety

  • Up to 10 voltage monitoring with +/-1% accuracy
  • Scalable portfolio from Automotive Safety Integrity Levels (ASIL) B to D
  • Enable latent fault monitoring when system is running: ABIST on demand
  • Dedicated interface for microcontroller monitoring
  • Simple and challenger watchdog function
  • Safety outputs with latent fault detection mechanism (RSTB, FS0B)

Configuration and Enablement

  • QFN48 pins with exposed pad for optimized thermal management
  • Permanent device customization via One Time Programmable (OTP) memory
  • Temporary OTP emulation mode for system development and evaluation
  • Ready to use hardware and software

Sample Availability

  • For sampling purposes please order: MFS8613BMDA0ES

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The FS86 is included in the 15-year program


Scalable Power and Safety Concept

Products Battery Network VSUP max rating VPRE BOOST BUCK LDOs VMONs Watchdog FCCU ERRMON FIN
FS8600 24 V 60 V yes yes no 2 4 yes [1] yes yes yes
FS8601 6
FS8602 8
FS8603 10 no [2]
FS8610 yes 4 yes
FS8611 6
FS8612 8
FS8613 10 no [2]
FS8620 12 V 36 V yes yes no 2 4 yes [1] yes yes yes
FS8621 6
FS8622 8
FS8623 10 no [2]
FS8630 yes 4 yes
FS8631 6
FS8632 8
FS8633 10 no [2]

Standard Configurations

Part Number Descrption OTP ID* Safety Grade Package
MFS8620BMDA8ES S32Z270-DC EVB DC1/DC2/DC4 DA8 report and configuration files ASIL D QFN48eP

SafeAssure Functional Safety Program

SafeAssure Functional Safety Program

When it comes to functional safety, NXP stands for quality and reliability. Our SafeAssure program simplifies system-level safety requirements in accordance with ISO 26262.
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BYLink System Power Platform

BYLink System Power Platform

This platform facilitates the design of safe power management systems thanks to a portfolio of configurable and linkable devices. It simplifies complex power supply subsystems into a single smart solution.
Learn more about this platform

PMICs and SBCs for Multi-Vendor Processors

Whether you are developing automotive, industrial or consumer applications, our configurable and flexible solutions support multi-vendor processors.
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