Manufacturer Part Number
MC33972TEW
Manufacturer
NXP Semiconductors
Introduction
Multiplexed switch detection interface designed for automotive and industrial applications.
Product Features and Performance
Provides robust switch detection for up to 22 switches
Supports SPI serial interface for communication
Offers wetting current for switch contacts
Incorporates internal diagnostics for fault detection
Wide operating voltage range suitable for various environments
Product Advantages
Reduces wiring complexity and weight in automotive applications
Enhanced system reliability due to built-in diagnostics
Adaptable to a variety of switch types
High immunity to electromagnetic interference (EMI)
Key Technical Parameters
Voltage Supply: 3.1V to 5.25V
Interface: SPI Serial
Packaging: 32-BSSOP Tube
Mounting Type: Surface Mount
Quality and Safety Features
Undergoes rigorous testing for automotive standards
Features protection against overvoltage conditions
Includes thermal shutdown and open load detection mechanisms
Compatibility
Compatible with various microcontrollers with SPI capability
Able to interface with a range of switch types
Application Areas
Automotive switch monitoring systems
Industrial control systems
Heavy machinery switch interfaces
Product Lifecycle
Product Status: Active
No known discontinuation, with ongoing support and availability
Several Key Reasons to Choose This Product
Enables greater design flexibility in complex systems
Reduces overall material costs by minimizing wire harnesses
Streamlines system diagnostics with integrated features
Reliable operation in harsh automotive environments
Simplifies PCB layout with SOIC package compatibility