Overview
The MC33FS8430G0ESR2 is a functionally safe, multi-output power supply integrated circuit designed by NXP USA Inc. This system basis chip is specifically tailored for automotive applications, particularly in the Advanced Driver Assistance Systems (ADAS) domain. It supports various ADAS components such as cameras, radar, and Lidar sensors.
Key Specifications
| Parameter | Specification |
|---|---|
| Input Voltage Range | 300 mV to 60 V |
| Output Voltage Range | 1.1 V to 5 V |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +150°C |
| BUCK Converters | BUCK1, BUCK2, and BUCK3 with configurable output voltage and current capability up to 3.6 A peak each |
| BOOST Converter | Configurable output voltage and max input current up to 1.5 A peak |
| Linear Voltage Regulators | 2x LDOs for MCU IOs and ADC supply, configurable output voltage and current capability up to 400 mA DC |
| Interface | 32-bit SPI or I2C with CRC |
| Power Modes | OFF mode with very low quiescent current (10 µA typ) |
| Fail-Safe Features | Independent monitoring circuitry, dedicated interface for MCU monitoring, watchdog function, power good, reset, and interrupt |
Key Features
- Multi-phase capability to extend 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, and slew rate control
- Integrated low-side switch for BOOST converter
- Wake-up detection and battery voltage sensing
- Power synchronization pin to operate multiple devices
- Scalable portfolio from ASIL B to ASIL D with built-in self-test and fail-safe output
- Configuration by OTP programming and prototype enablement for custom settings during project development
Applications
- Radar systems (corner radar, imaging radar)
- Vision systems (mono camera, stereo camera, night vision)
- ADAS domain controllers
- Infotainment systems
- V2X (Vehicle-to-Everything) communication
Q & A
- What is the primary application of the MC33FS8430G0ESR2? The primary application is in automotive Advanced Driver Assistance Systems (ADAS), particularly for cameras, radar, and Lidar sensors.
- What is the input voltage range of the MC33FS8430G0ESR2? The input voltage range is from 300 mV to 60 V.
- How many BUCK converters does the MC33FS8430G0ESR2 have? It has three BUCK converters (BUCK1, BUCK2, and BUCK3).
- What is the maximum current capability of the BUCK converters? Each BUCK converter can provide up to 3.6 A peak, and in multi-phase configuration, up to 7.2 A peak on a single rail.
- Does the MC33FS8430G0ESR2 support any communication interfaces? Yes, it supports 32-bit SPI or I2C interfaces with CRC.
- What are the fail-safe features of the MC33FS8430G0ESR2? It includes independent monitoring circuitry, dedicated interface for MCU monitoring, watchdog function, power good, reset, and interrupt.
- What is the operating temperature range of the MC33FS8430G0ESR2? The operating temperature range is from -40°C to +150°C.
- Does the MC33FS8430G0ESR2 have any EMC optimization features? Yes, it includes SMPS frequency synchronization, spread spectrum, and slew rate control.
- How can the MC33FS8430G0ESR2 be configured? It can be configured by OTP programming and has prototype enablement for custom settings during project development.
- What are some of the applications of the MC33FS8430G0ESR2 besides ADAS? Besides ADAS, it can be used in infotainment systems and V2X communication.
