Manufacturer Part Number
MC33298DW
Manufacturer
NXP Semiconductors
Introduction
The MC33298DW is an integrated power management chip, designed for controlling power distribution within automotive and industrial applications.
Product Features and Performance
8-channel low side power switch
SPI interface for easy integration and control
Support for high-voltage loads (9V to 26.5V)
Thermal shutdown for high-temperature protection
Overvoltage protection safeguards against voltage spikes
Open load detection to identify disconnected outputs
Fixed current limiting for managing load currents
Integrated diagnostic features
Product Advantages
Single chip solution for multiple output control
High reliability due to built-in fault protection features
Simplified design for power management systems
Optimized for low power consumption and high efficiency
Key Technical Parameters
Number of Outputs: 8
Voltage - Load: 9V to 26.5V
Voltage - Supply (Vcc/Vdd): 2.5V to 4.5V
Current - Output (Max): 1A
Rds On (Typ): 350mOhm
Operating Temperature Range: -40°C to 150°C
Quality and Safety Features
Over-Temperature Protection
Over-Voltage Protection
Current Limiting (Fixed)
Open Load Detect
Compatibility
Suitable for various automotive and industrial applications
SPI-compatible interface for communication with microcontrollers
Surface Mount 24-SOIC package for direct PCB integration
Application Areas
Automotive electronics
Power distribution systems
Industrial control modules
Smart power management solutions
Product Lifecycle
Product Status: Obsolete
Replacements or upgrades may be limited or unavailable
Several Key Reasons to Choose This Product
Multi-channel output increases flexibility for system design
Built-in diagnostic capabilities improve system reliability
Integrated fault protection enhances safety for the controlled loads
Robust design suitable for extreme temperatures in automotive environments
Eases the complexity of managing multiple power states in electronic systems