NCT7491RQR2G - AMI Semiconductor / ON Semiconductor

Manufacturer Part Number

NCT7491RQR2G

Manufacturer

onsemi

Introduction

The NCT7491RQR2G is a sophisticated temperature monitoring system designed by onsemi, capable of monitoring both internal and external temperatures to ensure optimal thermal management in power-sensitive applications.

Product Features and Performance

Dual temperature sensing (Internal and External)

Sensing Temperature ranges from 0°C to 85°C for internal and -40°C to 125°C for external

Integrated ADC, Comparator, Multiplexer, Register Bank

Two-wire serial and I2C/SMBUS output types

Supports output alarm and fan control functions

Operates on a low supply voltage ranging from 3V to 3.6V

Product Advantages

High flexibility with dual temperature sensors

Precise temperature monitoring with an accuracy of ±3.5°C

Suitable for system critical applications with alarm and fan outputs

Key Technical Parameters

Accuracy: ±3.5°C

Supply Voltage: 3V ~ 3.6V

Output Type: 2-Wire Serial, I2C/SMBUS

Operating Temperature: -40°C ~ 125°C

Package: 24-SSOP (0.154", 3.90mm Width)

Quality and Safety Features

Robust design for reliable operation in varied temperatures from -40°C to 125°C

Precision components ensure accuracy and stability

Compatibility

Easily integrates with systems requiring I2C/SMBUS communication protocols

Compatible with a wide range of microcontrollers and processors

Application Areas

Server rooms

Industrial temperature monitoring

Power management systems

Consumer electronics thermal management

Product Lifecycle

Status: Active

Continuously manufactured with no current indication of discontinuation

Upgrades or replacements are readily available

Several Key Reasons to Choose This Product

Accurate dual temperature monitoring enhances system reliability

Low power requirements make it suitable for power-sensitive applications

Comprehensive thermal management with inbuilt ADC and output control features

Robust operational range fits diverse industrial applications

Reliable manufacturer with ongoing product support and availability