Safety System Basis Chip for S32 Microcontrollers, Fit for ASIL B

FS8400

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The FS84 is an automotive, functionally safe multi-output power supply integrated circuit. It’s focused on ADAS sensor (camera, radar, Lidar) applications and is the primary companion chip of the S32 microcontroller.

The FS84 includes multiple switch mode and linear voltage regulators, enhanced safety features with fail-safe outputs. This makes it a full part of a safety-oriented system up to ASIL B safety integrity level.

It is part of a complete family of devices offering scalability in power and safety FS84 and FS85, pin to pin and software compatible. It is developed in compliance with the ISO 26262 standard and is qualified according to AEC-Q100 requirements.

ブロック図

FS8400, Safety SBC Block diagram

FS8400, Safety SBC Block diagram
図を取得する PDF

Features

Key Features

  • 60 V DC maximum input voltage
  • Multiple SMPS and LDO to supply S32 microcontroller and more
  • Standby OFF mode with very low sleep current (10 µA)
  • 32 bits SPI and IDC interfaces with CRC
  • FIT for ASIL B with Independent Safety Monitoring Unit

Programmability

  • Supplies, sequencing, and specific functions can be programmed by One Time programmable (OTP) memory
  • Standard Predefined OTP supporting popular MCU can be found in data sheet under “ordering information” chapter
  • During development phase, Customized OTP part can be programmed using the KITFS85SKTEVM board
  • Custom OTP can be provided for production. Please contact your NXP sales channel (NXP or your distributor)
  • Custom OTP form can be downloaded OTP Configuration Tool

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The FS84 is included in the 15-year program

比較表

Scalable Power and Safety Concept

Part number Buck 1 Buck 2 Buck 3 Vpre Boost Safety level
VR5500 0.8 V - 1.8 V
2.5 A
Multi-phase and
SVS option		 12 / 24 V HV
BUCK - 10 A		 5 V - 5.74 V
1.5 A peak		 Quality Mgt (QM)
FS8400 N/A N/A Fit for ASIL B
FS8500 Fit for ASIL D
FS5502 1.0 V - 4.1 V
3.6 A peak		 N/A Quality Mgt (QM)
FS8410 5 V - 5.74 V
1.5 A peak		 Fit for ASIL B
FS8510 Fit for ASIL D
FS8420 0.8 V - 1.8 V
2.5 A
Multi-phase and
SVS option		 N/A Fit for ASIL B
FS8520 Fit for ASIL D
FS8430 1.0 V - 3.3 V
2.5 A 		Fit for ASIL B
FS8530 Fit for ASIL D
FS6600 Fit for ASIL D

Automated Driving Systems Improving Performance

Automated Driving Systems - Image

While the precise power consumption will vary based on the overall configuration in the vehicle, Roger Keen, ADAS Radar Segment Manager, NXP tells Forbes that compared to older systems using a digital signal processor or CPU, the S32R274 provides a 10x improvement in performance per watt compared to the previous NXP generation of processor.
Read more

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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  • 電卓

    FS84-QFN48EP, Power Dissipation Calculation tool

    XLSX改訂 1.1Jun 5, 2021 21:19:00301.2 KBFS84-QFN48EP-PDTCALC
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  • 電卓

    Power Dissipation Tool (REV 1.4)

    XLSX改訂 1.5Jun 5, 2021 21:19:00322.1 KBFS85-PDTCALC
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