NCT75

Digital temperature sensors with I2C/SMBus interface for board mounting

Manufacturer: ['new-concept-tools', 'nuvoton', 'onsemi']

series introduction

# NCT75 Product Series Introduction

## 1. Overview
The NCT75 product series is a cutting - edge line of digital temperature sensors designed to meet the diverse temperature sensing needs across a wide range of industries and applications. These sensors combine high accuracy, low power consumption, and easy integration, making them an ideal choice for both simple and complex temperature monitoring systems.

## 2. Key Features

### 2.1 High Accuracy
- The NCT75 sensors offer excellent temperature measurement accuracy. They can provide readings with a typical accuracy of ±0.5°C over a wide temperature range, which is crucial for applications where precise temperature control is required. For example, in medical devices such as incubators, maintaining a specific and accurate temperature is essential for the well - being of patients or the proper growth of cells.
- The high - resolution ADC (Analog - to - Digital Converter) within the sensor ensures that even small temperature changes can be detected and reported accurately. This makes it suitable for applications like environmental monitoring, where detecting subtle temperature variations can provide valuable data about climate patterns.

### 2.2 Low Power Consumption
- One of the standout features of the NCT75 series is its extremely low power consumption. In standby mode, the power consumption is minimized, which is beneficial for battery - powered devices. For instance, in wearable health monitors, where long battery life is a key requirement, the low power draw of the NCT75 sensor helps to extend the device's operating time between charges.
- The sensor also has a power - saving mode that can be activated when continuous temperature monitoring is not necessary. This mode further reduces power consumption without sacrificing the ability to quickly wake up and resume accurate temperature measurements when needed.

### 2.3 Digital Interface
- The NCT75 sensors are equipped with a standard I²C (Inter - Integrated Circuit) digital interface. This interface simplifies the connection between the sensor and microcontrollers or other digital devices. It allows for easy communication and data transfer, enabling seamless integration into existing systems.
- The I²C interface also supports multiple slave devices on the same bus, which means that multiple NCT75 sensors can be connected to a single microcontroller. This is useful in applications such as large - scale industrial temperature monitoring, where multiple temperature points need to be monitored simultaneously.

### 2.4 Programmable Features
- The NCT75 series offers a range of programmable features. Users can set the temperature resolution, conversion rate, and alert thresholds according to their specific application requirements. For example, in a food storage facility, the user can set the alert threshold to trigger an alarm when the temperature exceeds a certain value, ensuring the safety and quality of the stored food.
- The programmable conversion rate allows for a trade - off between power consumption and measurement speed. In applications where real - time temperature data is not critical, a lower conversion rate can be selected to reduce power consumption.

### 2.5 Wide Temperature Range
- These sensors can operate over a wide temperature range, typically from - 40°C to +125°C. This wide range makes them suitable for a variety of harsh environments. For example, in automotive applications, the engine compartment can experience extreme temperature variations, and the NCT75 sensor can reliably measure the temperature under such conditions.

## 3. Applications

### 3.1 Consumer Electronics
- In smartphones and tablets, the NCT75 sensor can be used to monitor the temperature of the battery and the processor. By accurately measuring the temperature, the device can adjust its performance to prevent overheating, which can improve the device's reliability and lifespan.
- In smart home devices such as thermostats, the NCT75 sensor provides accurate temperature readings, allowing for precise temperature control in different rooms of the house. This helps to improve energy efficiency and user comfort.

Images for reference

8-MSOP

8-MSOP

8-TSSOP 8-MSOP

8-TSSOP 8-MSOP

8-SOIC

8-SOIC

related Documents

Datasheets

Partlist

NCT7509W
NCT750A
NCT7511Y
NCT7511Y TR
NCT75DMR2G
NCT75DR2G
NCT75DR2G/BKN
NCT75MNR2G