LM95214CISD

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LM95214CISD

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SENSOR DIGITAL -40C-125C 14WSON

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仕様

属性
Part Status Obsolete
Sensor Type Digital, Local/Remote
Sensing Temperature - Local -40°C ~ 125°C
Sensing Temperature - Remote -40°C ~ 125°C
Output Type SMBus
Voltage - Supply 3V ~ 3.6V
Resolution 10 b
Features One-Shot, Output Switch, Programmable Limit, Shutdown Mode, Standby Mode
Accuracy - Highest (Lowest) ±2°C
Test Condition -40°C ~ 125°C
Operating Temperature -40°C ~ 140°C
Mounting Type Surface Mount
Package / Case 14-WFDFN Exposed Pad
Supplier Device Package 14-WSON (4x4)
Base Product Number LM95214

概要

Description

The LM95214CISD is a digital temperature sensor developed by Texas Instruments. It is designed for precision temperature monitoring in electronic systems. The sensor features four remote temperature channels, allowing it to monitor temperatures from four different points, along with a local temperature sensor on the chip itself. This capability makes it suitable for applications where multiple temperature measurements are necessary, such as in computer systems, network equipment, and industrial control systems.
The LM95214CISD communicates over a 2-wire SMBus/I2C-compatible interface, ensuring easy integration with microcontrollers and other digital devices. It supports multiple features such as programmable temperature limits and high-resolution measurements, which allow for accurate thermal management. Additionally, the chip provides a programmable digital filter to minimize noise and enhance measurement stability.
Overall, the LM95214CISD is a versatile and reliable solution for temperature monitoring in complex systems where multiple points of measurement and precise control are required.

Equivalent

The LM95214CISD is a temperature sensor with SMBus/I2C interface capabilities. Equivalent products with similar functionalities include:
1. MAX31730 from Maxim Integrated
2. ADT7461 from Analog Devices
3. TMP451 from Texas Instruments
4. MCP9808 from Microchip Technology
These alternatives offer comparable features like multi-channel monitoring and digital interfaces, but it’s essential to check each product's specific datasheets for detailed compatibility with your application requirements.

Features

The LM95214CISD is a precision digital temperature sensor from Texas Instruments. It typically features:
1. Multi-Channel Monitoring: Supports monitoring of multiple temperature zones with up to four remote diode-connected transistors and one local temperature sensor.
2. High Accuracy: Offers high precision temperature measurements with an accuracy typically around ±1°C for remote channels and ±2°C for the local channel.
3. Digital Interface: Utilizes an I2C/SMBus-compatible interface, allowing easy integration with microcontrollers and other digital systems for data communication.
4. Programmable Features: Includes programmable resolution, alert limits, and conversion rates for customized operation.
5. Alert Functionality: Provides programmable alert pins for temperature threshold alerts, aiding in system protection and monitoring.
6. Wide Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C, suitable for various applications.
7. Low Power Consumption: Designed for low power consumption, making it ideal for battery-powered and efficient systems.
These features make the LM95214CISD suitable for applications such as environmental monitoring, electronic equipment, and computing systems.

Pinout

The LM95214CISD is a hardware monitoring device designed for temperature sensing applications. It typically comes in a 16-pin package. Its primary function is to measure the temperature of up to four remote diodes, along with its own ambient temperature. The device is often used in computing and server systems to monitor critical component temperatures such as CPUs and GPUs. It communicates via an SMBus interface, making it easy to integrate into systems with existing I2C/SMBus infrastructure. The LM95214CISD provides accurate temperature readings and includes features like programmable alert thresholds for over-temperature conditions, enhancing system reliability and protection.

Manufacturer

The LM95214CISD is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally. It is one of the largest semiconductor companies in the world and is best known for its development of analog chips and embedded processors, which are crucial components in a wide range of electronic devices. TI's products are used in a variety of industries, including automotive, industrial, personal electronics, and communications equipment. The company is also known for its commitment to innovation, research and development, and its strong position in the education technology sector, particularly with their graphing calculators.

Application

The LM95214CISD is a precision digital temperature sensor and fan control IC, commonly used in applications requiring accurate temperature monitoring and thermal management. Key application areas include:
1. Computing Devices: Used in desktops, laptops, and servers for monitoring CPU and system temperatures to prevent overheating.
2. Industrial Equipment: Provides temperature sensing for equipment and machinery to ensure safe operating conditions.
3. Telecommunications: Helps manage thermal conditions in switches, routers, and base stations.
4. Consumer Electronics: Utilized in gaming consoles and other devices for optimal thermal performance.
5. Automotive Systems: Monitors temperature in infotainment systems and other electronic components.
The sensor enables efficient thermal management, ensuring reliability and performance across various electronic systems.

Package

The LM95214CISD is typically available in a small outline integrated circuit (SOIC) package, specifically a 10-pin SOIC package. This type of packaging is commonly used for surface-mounted devices that require moderate pin count and compact size, suitable for electronic components like the LM95214 digital temperature sensor.

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