Overview
The MC33FS4502CAE is a System Basis Chip (SBC) from NXP Semiconductors, designed to provide comprehensive power management solutions, particularly for automotive applications. This SMARTMOS device integrates multiple power supply functionalities, including DC/DC pre-regulators and linear voltage regulators, to optimize energy consumption and ensure high efficiency across a wide range of input voltages and output current ranges.
Key Specifications
| Specification | Details |
|---|---|
| Input Voltage Range | Down to 2.7 V |
| Output Current Range | Up to 2.2 A |
| DC/DC Converter | Non-inverting buck-boost and standard buck topologies |
| Linear Voltage Regulators | Dedicated to MCU core, auxiliary functions, and sensor supply (VCCA tracker or independent), 5.0 V or 3.3 V |
| Low-Power Mode | 32 μA, with 3.3 V keep alive memory supply |
| Communication Interfaces | CAN Flexible Data (FD) and LIN transceivers, compliant with ISO 11898-2 and LIN protocol specifications 2.0, 2.1, 2.2 |
| Temperature Range | Up to TA = 125 °C and TJ = 150 °C, compliant with AEC-Q100 Grade 1 automotive qualification |
| Safety Features | Configurable fail-safe/fail silent safety behavior, two fail-safe outputs, ASIL D safety level |
Key Features
- Highly flexible SMPS pre-regulator with non-inverting buck-boost and standard buck topologies
- Multiple switching and linear voltage regulators to supply MCU core from 1.0 V to 5.0 V
- Linear voltage regulators dedicated to auxiliary functions, sensor supply, and MCU Analog/Digital (A/D) reference voltage or I/Os supply
- 3.3 V keep alive memory supply available in low-power mode
- Long duration timer, counting up to 6 months with 1.0 s resolution
- Multiple wake-up sources in low-power mode: CAN, LIN, IOs, LDT by SPI
- Battery voltage sensing and MUX output pin
- Configurable fail-safe/fail silent safety behavior and two fail-safe outputs for high integrity safety level (up to ASIL D)
Applications
The MC33FS4502CAE is primarily designed for automotive applications, including but not limited to:
- Advanced Driver Assistance Systems (ADAS)
- Infotainment and navigation systems
- Body control modules
- Powertrain control units
- Safety-critical systems requiring high integrity and reliability
Q & A
- What is the primary function of the MC33FS4502CAE?
The MC33FS4502CAE is a System Basis Chip (SBC) designed to provide comprehensive power management solutions for automotive applications.
- What are the input voltage and output current ranges of the MC33FS4502CAE?
The input voltage range is down to 2.7 V, and the output current range is up to 2.2 A.
- What types of DC/DC converters are supported by the MC33FS4502CAE?
The device supports non-inverting buck-boost and standard buck topologies.
- What communication interfaces are available on the MC33FS4502CAE?
The device includes CAN Flexible Data (FD) and LIN transceivers.
- What is the temperature range of the MC33FS4502CAE?
The device operates up to TA = 125 °C and TJ = 150 °C, compliant with AEC-Q100 Grade 1 automotive qualification.
- What safety features does the MC33FS4502CAE offer?
The device features configurable fail-safe/fail silent safety behavior and two fail-safe outputs, achieving a high integrity safety level (up to ASIL D).
- What is the low-power mode current consumption of the MC33FS4502CAE?
The device consumes 32 μA in low-power mode, with a 3.3 V keep alive memory supply available.
- What wake-up sources are available in low-power mode?
The device supports wake-up from CAN, LIN, IOs, and LDT by SPI.
- What is the purpose of the battery voltage sensing and MUX output pin?
The battery voltage sensing and MUX output pin allow for the selection of analog parameters through the SPI interface.
- What is the long duration timer capability of the MC33FS4502CAE?
The device includes a long duration timer that can count up to 6 months with a 1.0 s resolution.
