MC33972ATEK - NXP USA Inc.

Manufacturer Part Number

MC33972ATEK

Manufacturer

NXP Semiconductors

Introduction

MC33972ATEK is an interface-specialized integrated circuit for switch monitoring.

Product Features and Performance

SPI Serial interface for communication

Multiple switch detection inputs

Enhanced ESD/EMC performance

Wetting current for switch contacts

Low current standby mode

AEC-Q100 qualified for automotive applications

Product Advantages

Robust design for high reliability

Built-in diagnostics for system integrity

Supports a wide range of supply voltages

Direct interface with microcontrollers

Key Technical Parameters

Supply Voltage: 3.1V to 5.25V

SPI interface for easy communication with microcontrollers

Integrated wetting current source for improved switch contact reliability

32-SSOP exposed pad package for thermal performance

Quality and Safety Features

AEC-Q100 qualified

Overvoltage and undervoltage detection

Overtemperature protection

Compatibility

Compatible with a variety of microcontrollers with SPI interface

Can be used with a wide range of external switches

Application Areas

Automotive switch monitoring

Industrial automation switch detection

User interface controls

Product Lifecycle

Product Status: Active

Not nearing discontinuation

Replacement or upgrade options available

Several Key Reasons to Choose This Product

Consistent and reliable switch monitoring solution

High integration reduces component count and system complexity

Flexible voltage range for diverse application requirements

Enhanced durability and safety features suitable for demanding environments

Support from a reputable semiconductor manufacturer, NXP Semiconductors