Overview
The NXP MC33FS4500NAE is a System Basis Chip (SBC) designed for automotive safety applications, particularly those requiring high integrity safety levels up to ASIL D. This chip is part of NXP's FS4500 series and is integrated into the SafeAssure program, which simplifies system-level safety requirements in accordance with ISO 26262. The MC33FS4500NAE provides power management to microcontrollers (MCUs) with advanced features such as DC/DC pre-regulators, linear regulators, and ultra-low-power saving modes to optimize energy consumption.
Key Specifications
| Parameter | Description |
|---|---|
| Part Number | MC33FS4500NAE |
| Package | Dependent on specific variant (e.g., QFN, TSSOP) |
| Temperature Range | -40°C to 150°C (dependent on the specific package) |
| Input Voltage Range | 2.7 V to 40 V |
| Output Current | Up to 2.2 A (depending on the regulator) |
| Regulators | DC/DC pre-regulator and multiple linear regulators |
| Safety Features | Configurable fail-safe/fail silent safety behavior, two fail-safe outputs, ASIL D compliant |
| Communication Interfaces | CAN Flexible Data (FD) and LIN transceivers |
| Wake-Up Capabilities | Digital input pins with wake-up capability on edges or levels |
Key Features
- Advanced Power Management: Includes DC/DC pre-regulator and multiple linear regulators to optimize energy consumption and maintain high efficiency over a wide range of input voltages and output current ranges.
- Safety Compliance: Compliant with ASIL D safety standards, featuring configurable fail-safe/fail silent safety behavior and two fail-safe outputs.
- Communication Interfaces: Integrated CAN Flexible Data (FD) and LIN transceivers, fulfilling ISO 11898-2 and LIN protocol specifications 2.0, 2.1.
- Ultra-Low-Power Modes: Supports low-power mode (32 μA) with various wake-up capabilities to minimize energy consumption.
- Configurable Outputs: Allows for the configuration of safety block outputs and wake-up inputs through SPI.
Applications
The MC33FS4500NAE is primarily designed for automotive safety applications, including:
- Automotive Control Units: Suitable for use in various automotive control units requiring high safety integrity, such as engine control units, transmission control units, and safety-critical systems.
- Advanced Driver Assistance Systems (ADAS): Can be used in ADAS applications that require reliable and safe power management.
- Electric Vehicles and Hybrid Vehicles: Applicable in the power management systems of electric and hybrid vehicles.
Q & A
- What is the primary function of the MC33FS4500NAE?
The MC33FS4500NAE is a System Basis Chip (SBC) designed to provide power management to microcontrollers (MCUs) in automotive safety applications.
- What safety standards does the MC33FS4500NAE comply with?
The MC33FS4500NAE complies with ASIL D safety standards as per ISO 26262.
- What types of regulators are included in the MC33FS4500NAE?
The chip includes a DC/DC pre-regulator and multiple linear regulators.
- What communication interfaces are supported by the MC33FS4500NAE?
The chip supports CAN Flexible Data (FD) and LIN transceivers.
- What is the input voltage range for the MC33FS4500NAE?
The input voltage range is from 2.7 V to 40 V.
- What is the maximum output current of the MC33FS4500NAE?
The maximum output current is up to 2.2 A, depending on the regulator.
- Does the MC33FS4500NAE support low-power modes?
Yes, it supports low-power mode (32 μA) with various wake-up capabilities.
- How can the safety block outputs be configured?
The safety block outputs can be configured through SPI.
- Is the MC33FS4500NAE part of any longevity program?
Yes, it is included in the NXP Product Longevity Program, ensuring a stable supply of products.
- What are the typical applications of the MC33FS4500NAE?
It is used in automotive control units, ADAS, and electric/hybrid vehicles.
