MC33981BHFK - Freescale Semiconductor

Manufacturer Part Number

MC33981BHFK

Manufacturer

NXP Semiconductors

Introduction

The MC33981BHFK is a high-side power switch designed for general-purpose power distribution and load driving in automotive applications.

Product Features and Performance

Single-channel high-side switch

N-Channel output type

Slew-rate controlled for reduced electromagnetic interference

PWM Interface for enhanced control

Operating temperature from -40°C to 150°C

Product Advantages

High load voltage range from 6V to 27V

Maximum output current capability of 40A

Low Rds (On) at 4mOhm ensuring efficient power handling

Robust fault protection with current limiting and over-temperature shutdown

Key Technical Parameters

Number of Outputs: 1

Voltage Load: 6V ~ 27V

Current Output (Max): 40A

Rds On (Typ): 4mOhm

Operating Temperature: -40°C ~ 150°C (TJ)

Quality and Safety Features

Current limiting (Fixed) for safe operation

Over Temperature protection to prevent overheating

Surface mount package for reliable soldering on PCBs

Compatibility

PWM interface compatible with various microcontrollers for flexible control options

Application Areas

Automotive electronics

Power distribution systems

Industrial load driving

Product Lifecycle

Status: Obsolete

Note: Check for possible replacements or upgrades if planning new designs or maintenance.

Several Key Reasons to Choose This Product

High current capability suitable for demanding applications

Low On-resistance for minimized power loss

Enhanced temperature and fault protection features ensure system safety and reliability

Compatible with PWM control tech enabling versatile use cases

Suitable for rugged automotive environments due to its wide operating temperature range and robust package design