NXP Semiconductors FS23

Safety System Basis Chip (SBC) family with power management, CAN and LIN

NXP's sbc for automotive, enabling smart system power platform strategies for flexible, safe and scalable solutions.

 

Key features

• Power management: Automotive safety SBC
• System features: Analog Multiplexer (AMUX) System sensing long duration timer
• Functional safety: Scalable safety concept QM and ASIL B by design and process
• EMC compliance - operating modes - configuration and enablement

 

Additional features

Power management

• Tree power rails to supply the microcontroller and sensors
• Scalable family from 100 mA to minimum 400 mA solution with a pin-to-pin compatibility
• Configurable voltages and power up / down sequences
• 3 power modes (run, low power ON and low power off) to manage low system quiescent current and faster wake-up
   

System solutions

• CAN flexible data rate (FD) up to 5 Mbit/s transceiver and a LIN transceiver
• High side drivers with cyclic sense or wake-up source
• Analog multiplexer for system sensing
• Long duration timer with independent counter up to 194 days
• External voltage monitoring on the board
• Configurable GPIOs (high voltage and low voltage)
• Wake-up sources
• Advanced 'limp home' functionality
   

Functional safety

• Scalable safety concept (QM and ASIL B) by design and process ISO 26262)
• Supports fail-safe features including an advanced watchdog
• Implements a ABIST on demand for latent fault monitoring
• Contains FCCU independent MCU HW monitoring to address several type of applications
   

Configuration and enablement

• QFN48 pins with exposed pad for optimized thermal management
• Permanent device customization via one-time-programming (OTP) fuse memory
• Temporary OTP emulation mode for system development and evaluation

 

Applications

• Automotive advanced exterior lighting
• Electric pumps
• Heating Ventilation and Air Conditioning (HVAC)
• Transmission and gearbox
• Body control module
• Lighting
• Steering column lock
• Seat module
• Roof module
• Door control module
• Car access
• Gearshift
• Seat belt pre-tension
• Tail gate
• Alarm

 

Available tools

• KITFS23SKTEVM
  • Evaluation and development BOARDSFS23 safety SBC programming socket board
     
• KITFS23BUCKEVM
  • Evaluation and development BOARDSFS23 safety SBC evaluation board with Soldered BUCK variant
     
• KITFS23LDOEVM
  • Evaluation and development BOARDSFS23 safety SBC evaluation board with Soldered LDO variant

 

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