MCZ33879AEK - NXP USA Inc.

Manufacturer Part Number

MCZ33879AEK

Manufacturer

NXP Semiconductors

Introduction

The MCZ33879AEK from NXP Semiconductors is a versatile, octal serial switch for power distribution, primarily intended for automotive applications.

Product Features and Performance

Eight independent outputs for versatile load driving

Configurable as high side or low side switch

SPI interface for direct control via microcontroller

Operational voltage range of 5.5V to 27.5V supports a variety of loads

Supply voltage compatibility from 3.1V to 5.5V

Maximum output current of 600mA per channel

Rds On (Resistance Drain-Source On) is typically 750mOhm, indicating efficient load driving capability

Integrated fault protection features including current limiting, open load detection, and over-voltage protection

Operating temperature range from -40°C to 150°C, suitable for harsh environments

Product Advantages

Flexible control of multiple loads through a single device

Efficiency in power distribution with reasonable Rds On value

Robust fault protection increases system reliability

Broad compatibility with different system voltages

Heat dissipation facilitated by exposed pad package

Key Technical Parameters

Number of Outputs: 8

Voltage Load: 5.5V ~ 27.5V

Voltage Supply (Vcc/Vdd): 3.1V ~ 5.5V

Current Output (Max): 600mA

Rds On (Typ): 750mOhm

Interface: SPI

Fault Protection: Current Limiting, Open Load Detect, Over Voltage

Quality and Safety Features

Current limiting prevents overcurrent damage

Open load detection aids in identifying disconnection or faulty wiring

Over-voltage protection safeguard against voltage spikes

Extended operating temperature range ensures reliability under extreme conditions

Compatibility

SPI interface ensures compatibility with a wide range of microcontrollers

Versatile voltage requirements accommodate various automotive electrical systems

Application Areas

Automotive applications including headlamps, interior lighting, and electric motors control

Industrial automation for controlling relays, solenoids, and other actuators

Product Lifecycle

Obsolete status indicates discontinuation of the product

Users may need to look for replacements or consider existing stock availability

Several Key Reasons to Choose This Product

Comprehensive fault protection improves system safety and reliability

High integration reduces the need for multiple components, saving space and cost

Flexible use as either a high side or low side switch increases design adaptability

Direct control via SPI for easy integration into digital systems