S32K5 車載マイクロコントローラ
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FS25 System Basis Chip (SBC) for Automotive Zonal Architectures
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The FS25 system basis chip (SBC) is designed to support NXP's S32K5 and S32J devices by managing power distribution and system control. It addresses current energy management requirements and includes features for protection, fault handling and predictable operation.
Startup parameters are stored in one-time programmable (OTP) memory, reducing the need for external configuration components. The chip also includes an analog-to-digital converter (ADC) and general-purpose inputs/outputs (GPIOs) supporting wake-up sources like input/output (I/O) events, long-duration timers and inter-integrated circuit (I²C) communication.
Developed in line with the ISO 26262 compliance, the FS25 supports ASIL D safety levels through an independent safety monitoring unit (iSMU) with built-in self-test and fail-safe outputs to meet the highest automotive safety integrity levels.
製品詳細
ブロック図
Features
Power Management
- Single power management integrated circuit (PMIC) solution: Powers all S32K5 variants, Ethernet physical layer devices (PHYs) and S32J devices
- Low-power strategies: Enable energy savings while delivering high levels of protection
- Real-time electronic control unit (ECU) current monitoring: Tracks consumption for optimized performance
- Advanced core voltage (Vcore) regulation: Ensures efficient and stable power delivery
- Voltage accuracy: Uses differential sensing for precise power delivery
- Low-power run (LPRUN) mode support: Optimizes low-power performance for energy-sensitive applications
Safety and Reliability
- Proven functional safety concept
- Robust safety: Achieved through hardware and process integration
- Independent safety monitoring
- Configurable and scalable: Addresses multiple ASIL levels
System Responsiveness and Diagnostics
- Instant-on performance: Reduces boot-up time
- Multiple wake-up sources: Includes identification capabilities
- Innovative wakes-forward feature: Enables fast, selective wake-up across zonal domains
- Input battery switch: Supports energy management and protection
- Predictive maintenance: Uses advanced (ADC)-based diagnostics with real-time monitoring
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