NXP Semiconductors FS56

The FS56 System Basis Chip (SBC) for Automotive features a battery connected DC-DC buck controller with external FET and a battery connected DC-DC buck controller with internal FET. In addition, it offers functional safety features such as independent voltage monitors, windowed watchdog timer, I/O monitoring via ERRMON and FCCU and built-in-self test. The FS56 is offered in QM, ASIL B and Enhanced ASIL B versions. The FS56 offers highly configurable General Purpose Input/Outputs for seamless operation with PF PMICs as PF8x, PF7x and PF5x families. The FS56 presents an optimized architecture for automotive with low-power modes and EMC minimizing as spread spectrum, frequency tuning and synchronization.

Key features

• 2 x High-voltage buck converters:
• HV Buck controller - External FETs – up to 15A load
• 3 A HV Buck regulator – internal FETs - = 93% @ 3A
• +/- 2% Output accuracy
• 250 kHz to 3 MHz switching frequency
• High-efficiency PFM Mode (700 uW quiescent power)
• Dual independents DC/DC Buck
• GPIOs for seamless operation with PF PMICs
• Rated from -40 °C to 150 °C TJ
• Safety features (ASIL B)
• 2 internal and 4 external voltage monitors
• Windowed Watchdog Timer
• PGOOD and FS0B outputs
• ABIST and LBIST
• SoC HW monitoring pins (FCCU and ERRMON)
• Programmability supplies, sequencing specific functions can be programmed by (OTP) memory
• Standard Predefined OTP supporting popular MCU
• Custom OTP can be provided for production - Please contact your NXP sales channel
• Custom OTP can be created using the NXP GUI software tool
• Automotive target market derivatives 15-year NXP Longevity program
• Industrial target market derivatives 10-year NXP Longevity program

Applications

• Automotive vsion systems
• Automotive high performance compute
• Driver Monitoring Systems (DMS) and occupant monitoring systems
• Digital cluster
• Front view camera
• eCockpit
• Connected radio
• Surround view
• Automotive audio solutions
• V2X Communications