Overview
The MC33FS8510D3ES is an automotive, functionally safe multi-output power supply integrated circuit developed by NXP USA Inc. It is part of the FS85 family, which is designed for Advanced Driver Assistance Systems (ADAS) and domain controller applications. This chip is the primary companion to the S32 microcontroller and is integral in creating safety-oriented systems that comply with the ISO 26262 standard and are qualified according to AEC-Q100 requirements.
Key Specifications
| Parameter | Description |
|---|---|
| Input Voltage | Up to 60 V DC for 12 V and 24 V applications |
| Output Rails | Multiple switch mode and linear voltage regulators (BUCK1, BUCK2, BUCK3, VPRE, BOOST) |
| BUCK1 Converter | Configurable output voltage, switching frequency, and current capability up to 3.6 A peak |
| BUCK2 Converter | Configurable output voltage and current capability up to 3.6 A peak |
| BUCK3 Converter | Configurable output voltage and current capability up to 3.6 A peak |
| BOOST Converter | Configurable output voltage and max input current up to 1.5 A peak |
| LDO Regulators | 2x linear voltage regulators for MCU IOs and ADC supply, configurable output voltage and current capability up to 400 mA DC |
| Safety Integrity Level | Fit for ASIL D |
| Package | HVQFN56 |
| Interface | 32 bits SPI or I2C with CRC |
| Power Modes | OFF mode with very low quiescent current (10 µA typ) |
Key Features
- Enhanced safety features with fail-safe outputs, compliant with ISO 26262 and qualified according to AEC-Q100 rev H (Grade1, MSL3).
- External frequency synchronization input and output for optimized system EMC performance.
- Multi-phase capability with BUCK1 to extend the current capability up to 7.2 A peak on a single rail.
- Static voltage scaling capability.
- EMC optimization techniques including SMPS frequency synchronization, spread spectrum, slew rate control, and manual frequency tuning.
- Device control via 32 bits SPI or I2C interface with CRC.
- Power synchronization pin to operate 2x FS85 devices or FS85 plus an external PMIC.
- Configuration by OTP programming and prototype enablement for custom settings during project development in engineering mode.
Applications
- Radar (corner radar, imaging radar, etc.).
- Vision (mono camera, stereo camera, night vision, etc.).
- ADAS domain controller.
- Infotainment.
- V2x (Vehicle-to-Everything) communication.
Q & A
- What is the primary application of the MC33FS8510D3ES? The MC33FS8510D3ES is primarily used in Advanced Driver Assistance Systems (ADAS) and domain controller applications.
- What safety standards does the MC33FS8510D3ES comply with? It complies with the ISO 26262 standard and is qualified according to AEC-Q100 requirements.
- What is the maximum input voltage for the MC33FS8510D3ES? The maximum input voltage is up to 60 V DC for 12 V and 24 V applications.
- What types of voltage regulators are included in the MC33FS8510D3ES? It includes multiple switch mode (BUCK1, BUCK2, BUCK3) and linear voltage regulators (LDOs), as well as a BOOST converter.
- How is the device controlled? The device is controlled via a 32 bits SPI or I2C interface with CRC.
- What is the package type of the MC33FS8510D3ES? The package type is HVQFN56.
- What are the key safety features of the MC33FS8510D3ES? It includes enhanced safety features with fail-safe outputs, independent monitoring circuitry, and built-in self-test.
- Can the MC33FS8510D3ES be used in multiple power modes? Yes, it includes an OFF mode with very low quiescent current (10 µA typ).
- How does the MC33FS8510D3ES optimize EMC performance? It uses external frequency synchronization input and output, SMPS frequency synchronization, spread spectrum, slew rate control, and manual frequency tuning.
- Is the MC33FS8510D3ES part of a scalable portfolio? Yes, it is part of a scalable portfolio from ASIL B to ASIL D with independent monitoring circuitry.
