NCT7718W TR

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The NCT7718W TR is a thermal regulator IC manufactured by Nuvoton Technology Corporation. It can monitor and regulate the temperature of electronic devices. It is a cost-effective solution to provide thermal protection in a wide variety of applications. This article will discuss the application field and working principle of the NCT7718W TR.

Application Field

The NCT7718W TR is designed for application in a wide variety of device temperature monitoring and temperature control processes. It can be used in consumer electronics, network equipment, automotive electronics, industrial machinery, and other industrial equipment. It is also suitable for applications requiring precise temperature regulation. In consumer electronics, the NCT7718W TR can be used to regulate the temperature of TVs, DVD players, set-top boxes, and other multimedia equipment. In addition, it can also be used in automotive systems for controlling the temperature of ECUs, engine control units, ABS systems, and other electronic components. In industrial machinery and industrial equipment, the NCT7718W TR can be used to regulate the temperature of microcontrollers, power modules, motor controllers, and other heat-generating components.

The NCT7718W TR has an adjustable temperature range from -40°C to +125°C (or -50°C to +140°C for the enhanced version). It is also equipped with a variety of integral features, including over-temperature protection, short-circuit protection, and over-current protection. It also offers two types of temperature sensing modes – analog and digital – to provide the best performance and accuracy.

Working Principle

When the internal temperature of the device reaches the set temperature level, the NCT7718W TR will raise the gate voltage of the external N-channel MOSFET. This will turn on the negative feedback circuit, which in turn will control the gate voltage of the MOSFET. Once the MOSFET is turned off, the temperature of the device will start to drop. When the temperature drops below a certain level, the gate voltage of the MOSFET will be reduced, and the device will cool down. The NCT7718W TR provides both analog and digital temperature sensing modes to monitor the device’s temperature and regulate it accordingly.

The NCT7718W TR also includes an over-temperature protection circuit. This circuit will cut off the power supply to the device when the temperature exceeds a certain level, protecting the device from damage due to excessive temperatures. In addition, the NCT7718W TR also offers an over-current and short-circuit protection feature. This feature prevents damage to the device due to excessive current or short circuits.

The NCT7718W TR is an ideal thermal regulator IC for a wide range of applications. It features an adjustable temperature range, precision temperature sensing modes, over-temperature protection, over-current and short-circuit protection, and other features. In addition, it is cost-effective and highly reliable.

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