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3

FS56 Features

General



Two high-efficiency programmable buck converters



Low power mode with high efficiency PFM mode



Safety features to fit ASIL B



Highly configurable GPIOs for seamless operation with PF PMICS



Programmable power up and power down sequences



High-speed I2C interface support

Safety features to fit ASIL B Safety level



2 internal and up to 4 external voltage monitors



ERRMON and FCCU monitoring



Two PGOOD and One FS0B outputs



Programmable Fault Error Counter



Windowed watchdog timer - simple or challenger



I2C CRC and write protection mechanism



Analog-built-in self-test and Logical-built-in self-test

Programmability



Supplies, sequencing and specific functions can be programmed by One Time

programmable (OTP) memory



Standard Predefined OTP supporting popular configurations can be found in data

sheet under “ordering information” chapter



Custom OTP can be provided for production. Please contact your NXP sales

channel (NXP or your distributor)

Target Applications

FS5600 is a general-purpose dual channels High Voltage Buck Converters that can be

used widely in many applications

 Telematics/V2X

 Infotainment/Cluster

 ADAS

 Gateway

 Vision, Sensor fusion