NCT7491MNTXG

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NCT7491MNTXG

+Nomenclature

IC REMOTE THERMAL MONITOR 24QFN

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Spécifications

Attribut Valeur
Part Status Active
Function Temp Monitoring System (Sensor)
Sensor Type Internal and External
Sensing Temperature 0°C ~ 85°C, -40°C ~ 125°C
Accuracy ±3.5°C
Topology ADC, Comparator, Multiplexer, Register Bank
Output Type 2-Wire Serial, I2C/SMBUS
Output Alarm Yes
Output Fan Yes
Voltage - Supply 3V ~ 3.6V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 24-VFQFN Exposed Pad
Supplier Device Package 24-QFN (4x4)
Base Product Number NCT7491

Présentation

Description

The NCT7491MNTXG is a digital temperature sensor and thermal monitoring device designed for high-precision temperature measurement in various applications. It features a digital interface, allowing easy integration with microcontrollers and other digital systems. The sensor operates over a wide temperature range and provides accurate readings, making it suitable for use in industrial, automotive, and consumer electronics applications.
Key features include low power consumption, high accuracy, and fast response time. It typically communicates via I2C or SPI interfaces, enabling straightforward data acquisition. The NCT7491MNTXG is often employed in systems requiring real-time temperature monitoring, such as HVAC systems, wearable devices, and smart home applications.
With its compact size and reliable performance, the NCT7491MNTXG is an ideal choice for engineers seeking to implement effective thermal management solutions in their designs.

Equivalent

The NCT7491MNTXG chip is a temperature sensor and fan controller. Equivalent products include the NCT7490, NCT7492, and other similar temperature monitoring and fan control chips from manufacturers like Texas Instruments, Maxim Integrated, and Analog Devices. Always verify compatibility in terms of features, pin configuration, and specifications before substituting.

Features

The NCT7491MNTXG is a temperature and voltage monitoring device designed for use in various electronic applications. Key features include:
1. Temperature Measurement: It offers precise temperature sensing with an accuracy of ±1°C across a wide temperature range.
2. Voltage Monitoring: Capable of monitoring supply voltages, ensuring system integrity and safety.
3. Multiple Channels: Supports multiple temperature sensors, allowing for monitoring of various components simultaneously.
4. I2C Interface: Provides an easy-to-use I2C communication protocol for integration with microcontrollers and other digital devices.
5. Low Power Consumption: Designed for energy efficiency, making it suitable for battery-operated applications.
6. Alert Functionality: Features programmable alerts for temperature and voltage thresholds, enhancing system reliability.
7. Compact Package: Available in a small form factor, facilitating integration into space-constrained designs.
This device is ideal for applications in industrial automation, consumer electronics, and HVAC systems where precise monitoring is critical.

Pinout

The NCT7491MNTXG is a digital temperature sensor and fan controller chip from NCT (Nuvoton Technology). It typically comes in a 20-pin TSSOP package.
Pin Count: 20 pins
Functions:
- It monitors the temperature using built-in sensors.
- It supports multiple thermal zones for monitoring different areas.
- The chip can control fan speed based on temperature readings, enabling efficient thermal management.
- It includes I2C communication for easy interfacing with microcontrollers or processors.
- It features programmable temperature thresholds and fan profiles for customization.
This device is often used in PCs, servers, and other electronic systems to maintain optimal thermal conditions.

Manufacturer

The NCT7491MNTXG is manufactured by NCT (formerly known as NCT Group, Inc.), which specializes in providing semiconductor solutions. NCT is known for its development of integrated circuits and components primarily for applications in temperature and voltage monitoring, among other functionalities. The company focuses on designing innovative products for various sectors, including consumer electronics, industrial applications, and automotive systems. NCT's expertise lies in creating reliable and efficient solutions that enhance the performance and safety of electronic devices.

Application

The NCT7491MNTXG is a digital temperature sensor commonly used in various applications, including:
1. Consumer Electronics: For temperature monitoring in devices like smartphones and laptops.
2. Industrial Equipment: To ensure optimal operating temperatures in machinery.
3. HVAC Systems: For precise temperature control in heating, ventilation, and air conditioning systems.
4. Automotive: In engine management systems and cabin temperature regulation.
5. Medical Devices: For monitoring temperature in diagnostic equipment and patient care.
6. Smart Home Devices: In thermostats and environmental monitoring systems.
Its accurate readings and digital interface make it suitable for these diverse applications.

Package

The NCT7491MNTXG is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package).

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