Safe Assure® (Functional Safety)
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.
Safety Mini CAN FD SBC for Automotive Applications Fit for ASIL B
The FS24 is a family of automotive safety mini CAN FD SBC devices with multiple power supply designed to support secure car access applications using ultra-wideband (UWB), near field communication (NFC) and Bluetooth® Low Energy (LE) devices, while maintaining flexibility to fit other small applications requiring low power and CAN FD communication.
This family of devices supports a wide range of applications, offering choices in output voltage setting, physical interface, integrated system-level features to address low power and noise sensitive applications with automotive safety integrity levels up to ASIL B.
The FS24 integrates a battery-connected switched-mode regulator (V1) and a battery-connected linear regulator (V3) to supply microcontrollers, communication devices and others. V1 offers a high-performance switching regulator capable to operating in pulse frequency modulation (PFM) mode and force PWM (FPWM) mode. The mode of operation can be changed using wake pins to optimize noise management.
Product Details
Features
Key Features
- HVBUCK up to 400 mA
- HVLDO up to 150 mA
- CAN FD interface
- 32-pin 5mm x 5mm HVQFN package
System Features
- OTP (one-time programmable) memory for flexible device configuration
- 32bit SPI interface with 8bit CRC (up to 4 MHz)
- IO compatible from 1.9 V to 5 V
- Advanced Low Power Mode: <40 µA in Low Power mode in LPOFF and <25 µA in LPON (MCU powered)
- Over temperature protection
- AMUX for various voltage monitoring
- CAN FD 5M with wake-up capability
- HWID input to setup module hardware ID
Monitoring Circuits to fit ASIL B Safety Level
- Voltage monitoring with programmable fault protection
- Watchdog (Window WD in normal mode and timeout WD in LPON)
- 1 integrated FS signal to go fail silent
- Analog built-in self-test (ABIST)
Programmability
- Supplies, sequencing, and specific functions can be programmed by OTP memory
- During development phase, customized OTP part can be programmed using the evaluation board
- Custom OTP can be provided for production.
- Custom OTP can be created using the GUI tool
Product Longevity Program
- This product is included in the NXP product longevity program, ensuring a stable supply of products for your embedded designs. Automotive target market derivatives are included in the 15-year program
Comparison Table
| Part Number | Description | OTP Files and Report | Main Properties | ||||
|---|---|---|---|---|---|---|---|
| CAN | LDT | V1 Voltage | V3 Voltage | Safety Grade | |||
| MFS2400AVMA1ES | Configuration given as an example for Ranger 5 attach | A1 Report, programming and configuration files | Yes | No | 3.3 V | 5 V | QM |
| MFS2401AVBA1ES | Configuration given as an example for Ranger 5 attach | A1 Report, programming and configuration files | Yes | Yes | 3.3 V | 5 V | ASIL B |
| MFS2401AVMAFES | Configuration given as an example for S32K1xx + NCF3321 attach | AF Report, programming and configuration files | Yes | Yes | 5 V | 5 V | QM |
Product Program
Related products
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Documentation
Quick reference to our documentation types.
4 documents
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Application Note
AN14183 - FS2400 Product Guidelines
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Application Note
AN14247 - FS24 attach to NXP devices guidelines
Design Resources
Hardware
Quick reference to our
board types.
2 hardware offerings
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Evaluation and Development BoardsFS2400 Safety SBC Programming Socket Board
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Evaluation and Development BoardsFS2400 Safety SBC Evaluation Board
Software
Quick reference to our software types.
5 software files
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Application Example Software
NXP GUI for Automotive PMIC Families
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Simulation and Modeling Tools
FS24 Package Collateral
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Simulation and Modeling Tools
FS2320 FS2400 HVBUCK Simplis Model
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Simulation and Modeling Tools
NXP GUI for Automotive PMIC Families
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Simulation and Modeling Tools
FS2400 Generic SW Driver with Example
Note: For better experience, software downloads are recommended on desktop.