Overview
The MC33FS4500CAE is a safety power system basis chip (SBC) manufactured by NXP USA Inc. This device is designed to provide power management for microcontrollers (MCUs) in automotive applications, particularly those requiring high safety integrity up to ASIL D. The FS4500 series integrates multiple power supply outputs, including DC/DC pre-regulators and linear regulators, to optimize energy consumption and ensure reliable operation in various automotive safety systems.
Key Specifications
| Parameter | Description |
|---|---|
| Input Voltage Range | Down to 2.7 V |
| Output Current Range | Up to 2.2 A |
| Regulators | Multiple switching and linear voltage regulators |
| Low-Power Mode | 32 μA |
| CAN Interface | CAN Flexible Data (FD) compliant with ISO 11898-2 and -5 standards |
| LIN Interface | LIN protocol specifications 2.0 and 2.1 compliant |
| Safety Features | Configurable fail-safe/fail silent safety behavior, two fail-safe outputs |
| Wake-Up Capabilities | Selectable wake-up on edges or levels |
| Package and Temperature | Variety of package options with temperature ranges suitable for automotive applications |
Key Features
- Advanced Power Management: Optimizes energy consumption through DC/DC pre-regulators and linear regulators, and ultra-low-power saving modes.
- Safety Oriented: Configurable fail-safe/fail silent safety behavior and two fail-safe outputs to achieve high integrity safety levels up to ASIL D.
- Communication Interfaces: Includes CAN Flexible Data (FD) and LIN transceivers, compliant with respective industry standards.
- Wake-Up Capabilities: Digital input pins with selectable wake-up on edges or levels.
- Multi-Output Power Supply: Provides multiple switching and linear voltage regulators to support various MCU power requirements.
- SPI Interface: Allows for configuration and monitoring of various parameters through the SPI bus.
Applications
The MC33FS4500CAE is primarily designed for automotive safety applications, including but not limited to:
- Advanced Driver Assistance Systems (ADAS)
- Automotive control units requiring high safety integrity (up to ASIL D)
- Power management for MCUs in safety-critical automotive systems
- Vehicle network communication systems using CAN FD and LIN protocols
Q & A
- What is the primary function of the MC33FS4500CAE?
The MC33FS4500CAE is a safety power system basis chip designed to provide power management for microcontrollers in automotive applications, optimizing energy consumption and ensuring high safety integrity.
- What are the key safety features of the MC33FS4500CAE?
The device includes configurable fail-safe/fail silent safety behavior and two fail-safe outputs to achieve high integrity safety levels up to ASIL D.
- What communication interfaces does the MC33FS4500CAE support?
The device supports CAN Flexible Data (FD) and LIN transceivers, compliant with ISO 11898-2 and -5 standards and LIN protocol specifications 2.0 and 2.1.
- What is the input voltage range of the MC33FS4500CAE?
The input voltage range is down to 2.7 V.
- What is the maximum output current of the MC33FS4500CAE?
The maximum output current is up to 2.2 A.
- Does the MC33FS4500CAE support low-power modes?
Yes, it supports a low-power mode with a current consumption of 32 μA.
- How can the wake-up capabilities be configured on the MC33FS4500CAE?
The wake-up capabilities can be configured to wake up on edges or levels through digital input pins.
- What is the significance of the SPI interface in the MC33FS4500CAE?
The SPI interface allows for the configuration and monitoring of various parameters.
- Is the MC33FS4500CAE part of any specific safety program?
Yes, it is part of NXP's SafeAssure program, which simplifies system-level safety requirements in accordance with ISO 26262.
- What are the typical applications of the MC33FS4500CAE?
Typical applications include Advanced Driver Assistance Systems (ADAS), automotive control units, and power management for MCUs in safety-critical automotive systems.
