MC33879TEK - Freescale Semiconductor

Manufacturer Part Number

MC33879TEK

Manufacturer

NXP Semiconductors

Introduction

The MC33879TEK is a sophisticated H-Bridge Power IC designed for electronic power management in automotive and industrial applications.

Product Features and Performance

Octal Serial Switch with Serial Peripheral Interface (SPI)

Monitors output status via SPI read

High Side Switch with open load detect current recirculation mode

Control of inductive, incandescent, or LED load applications

Protection against overcurrent, overtemperature, and undervoltage

Product Advantages

Integrated load current sense, open-load detection, and active clamping

Reduced external components due to built-in diagnostic and protection features

Optimized for automotive applications with high reliability

Key Technical Parameters

Rds On (Typical): 750mOhm

Current - Peak Output: 1.2A

Voltage - Supply Range: 5.5V ~ 26.5V

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Overcurrent protection

Thermal shutdown with auto-restart

Undervoltage shutdown

Overtemperature protection

Compatibility

SPI (Serial Peripheral Interface) compatible for control and diagnostics

Compatible with inductive, incandescent, and LED loads within current and voltage specifications

Application Areas

Automotive body control modules

Industrial control systems

Programmable logic controllers

Product Lifecycle

Obsolete – Potential need for finding replacements or considering last-time buys and stockpiling

Alternatives or next-generation products may be available from NXP or other suppliers

Several Key Reasons to Choose This Product

Integrated diagnostics and protection features reduce system complexity

Versatile operating voltage and temperature ranges suitable for harsh environments

Suitable for a range of load types including inductive, incandescent, and LED

SPI interface simplifies the control and feedback monitoring, enabling smart system design

NXP Semiconductors' reputation for creating robust automotive-grade components