LM75BDP,118

The LM75BDP,118 is a digital temperature sensor manufactured by NXP Semiconductors. It is designed for precise temperature measurement and is particularly suitable for applications in consumer electronics, industrial equipment, and automotive systems. Below is a detailed description of its features and specifications:

General Overview

• Type: Digital Temperature Sensor
• Manufacturer: NXP Semiconductors
• Package Type: The LM75BDP,118 typically comes in a small, surface-mount package (SOT-23), which is ideal for space-constrained applications.

Key Features

• Temperature Range: The LM75BDP can measure temperatures from -55°C to +125°C, making it versatile for various applications.
• Resolution: It offers a 9 to 12-bit digital output, allowing for configurable resolution based on the application needs. This flexibility helps in balancing precision and power consumption.
• Accuracy: The sensor provides a typical accuracy of ±2°C over the full temperature range, ensuring reliable temperature readings.
• Digital Interface: The LM75BDP communicates via the I2C interface, allowing for easy integration with microcontrollers and other digital systems. It supports multiple devices on the same bus, enabling a compact design.
• Power Supply: It operates on a supply voltage range of 2.7V to 5.5V, making it compatible with a wide range of power sources.
• Low Power Consumption: The device is designed for low power operation, with a typical current consumption of around 0.5 mA during active operation and less than 1 µA in shutdown mode, which is crucial for battery-powered applications.

Functional Characteristics

• Thermostat Functionality: The LM75BDP includes programmable over-temperature and under-temperature thresholds, allowing it to function as a thermostat. This feature is useful for applications requiring temperature monitoring and control.
• Alert Function: It has an alert output pin that can signal when the temperature exceeds the programmed limits, enabling quick responses to temperature changes.
• Conversion Time: The sensor has a fast conversion time, typically around 100 ms, which allows for real-time temperature monitoring.

Applications

The LM75BDP,118 is suitable for a variety of applications, including:

• Consumer Electronics: Used in devices like laptops, smartphones, and tablets for thermal management.
• Industrial Equipment: Employed in machinery and equipment to monitor operating temperatures and prevent overheating.
• Automotive Systems: Utilized in automotive applications for monitoring engine temperatures and cabin climate control.

Conclusion

The LM75BDP,118 from NXP Semiconductors is a highly versatile and efficient digital temperature sensor that combines accuracy, low power consumption, and ease of integration. Its features make it an excellent choice for a wide range of temperature monitoring applications across various industries.