사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Sensor Type | Digital, Local/Remote |
| Sensing Temperature - Local | -40°C ~ 125°C |
| Sensing Temperature - Remote | -64°C ~ 191°C |
| Output Type | SMBus |
| Voltage - Supply | 2.7V ~ 5.5V |
| Resolution | 12 b |
| Features | One-Shot, Output Switch, Programmable Limit, Shutdown Mode |
| Accuracy - Highest(Lowest) | ±1.5°C (±2.5°C) |
| Test Condition | 15°C ~ 85°C (-40°C ~ 125°C) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
개요
Description
The TMP422AIDCNR is a digital temperature sensor manufactured by Texas Instruments. It is designed for precise temperature measurements and is commonly used in applications requiring accurate thermal monitoring. The sensor features remote temperature sensing capabilities, allowing it to measure the temperatures of external diodes, such as CPU or GPU thermal diodes, in addition to its own local temperature.
The TMP422AIDCNR communicates via the I2C interface, making it easy to integrate into various systems. It supports up to two remote temperature sensors, providing multi-point temperature tracking. The sensor operates over a wide temperature range and provides high accuracy and resolution for both local and remote temperature measurements.
The device is often used in computing, telecommunications, and industrial applications where reliable temperature monitoring is crucial. Its compact package and low power consumption make it suitable for embedded systems and portable devices. Overall, the TMP422AIDCNR is valued for its precision, flexibility, and ease of use in thermal management applications.
The TMP422AIDCNR communicates via the I2C interface, making it easy to integrate into various systems. It supports up to two remote temperature sensors, providing multi-point temperature tracking. The sensor operates over a wide temperature range and provides high accuracy and resolution for both local and remote temperature measurements.
The device is often used in computing, telecommunications, and industrial applications where reliable temperature monitoring is crucial. Its compact package and low power consumption make it suitable for embedded systems and portable devices. Overall, the TMP422AIDCNR is valued for its precision, flexibility, and ease of use in thermal management applications.
Equivalent
The TMP422AIDCNR is a digital temperature sensor from Texas Instruments. Equivalent products include:
1. LM75A - from NXP and others
2. MCP9808 - from Microchip Technology
3. ADT7420 - from Analog Devices
4. MAX31875 - from Maxim Integrated
These alternatives offer similar temperature sensing functionalities, I2C interfaces, and suitability for various applications, although exact specifications and features may vary. Always compare datasheets to ensure compatibility with your specific requirements.
1. LM75A - from NXP and others
2. MCP9808 - from Microchip Technology
3. ADT7420 - from Analog Devices
4. MAX31875 - from Maxim Integrated
These alternatives offer similar temperature sensing functionalities, I2C interfaces, and suitability for various applications, although exact specifications and features may vary. Always compare datasheets to ensure compatibility with your specific requirements.
Features
The TMP422AIDCNR is a digital temperature sensor from Texas Instruments designed for precise temperature monitoring applications. Key features include:
1. Multi-Channel Monitoring: It can monitor up to two remote junctions and its own local temperature, making it suitable for multi-point temperature tracking.
2. High Accuracy: Offers high accuracy temperature readings, typically within ±1°C for remote sensors and ±1.5°C for local sensors.
3. Wide Operating Range: The sensor supports an operating temperature range from -40°C to 125°C for local and -55°C to 150°C for remote diode-connected transistors.
4. Digital Interface: Communicates via I²C/SMBus interface, allowing for easy integration with microcontrollers and other digital systems.
5. Low Power Consumption: Designed for low power usage, ideal for battery-operated devices.
6. Programmable Features: Includes programmable temperature limits and critical alarms for system protection.
7. Compact Package: Available in a small package size, making it suitable for space-constrained applications.
These features make the TMP422AIDCNR an excellent choice for applications requiring reliable and precise temperature monitoring, such as in computers, industrial equipment, and consumer electronics.
1. Multi-Channel Monitoring: It can monitor up to two remote junctions and its own local temperature, making it suitable for multi-point temperature tracking.
2. High Accuracy: Offers high accuracy temperature readings, typically within ±1°C for remote sensors and ±1.5°C for local sensors.
3. Wide Operating Range: The sensor supports an operating temperature range from -40°C to 125°C for local and -55°C to 150°C for remote diode-connected transistors.
4. Digital Interface: Communicates via I²C/SMBus interface, allowing for easy integration with microcontrollers and other digital systems.
5. Low Power Consumption: Designed for low power usage, ideal for battery-operated devices.
6. Programmable Features: Includes programmable temperature limits and critical alarms for system protection.
7. Compact Package: Available in a small package size, making it suitable for space-constrained applications.
These features make the TMP422AIDCNR an excellent choice for applications requiring reliable and precise temperature monitoring, such as in computers, industrial equipment, and consumer electronics.
Pinout
The TMP422AIDCNR is a remote temperature sensor IC manufactured by Texas Instruments. It typically comes in an 8-pin package, specifically in a 2x2 mm, 8-pin WSON package. The pin functions are as follows:
1. V+: Power supply pin, typically 3.3V.
2. GND: Ground reference pin.
3. SCL: Serial clock line for I2C communication.
4. SDA: Serial data line for I2C communication.
5. DXP: Positive connection for the remote temperature sensing diode.
6. DXN: Negative connection for the remote temperature sensing diode.
7. ALERT: Open-drain output for alert signal, triggered on temperature threshold breach.
8. ADD0: Address pin to set the I2C address of the device by connecting to V+ or GND.
The TMP422 can monitor temperature through a remote diode and is often used in applications requiring precise temperature readings, such as in computers and other electronic devices.
1. V+: Power supply pin, typically 3.3V.
2. GND: Ground reference pin.
3. SCL: Serial clock line for I2C communication.
4. SDA: Serial data line for I2C communication.
5. DXP: Positive connection for the remote temperature sensing diode.
6. DXN: Negative connection for the remote temperature sensing diode.
7. ALERT: Open-drain output for alert signal, triggered on temperature threshold breach.
8. ADD0: Address pin to set the I2C address of the device by connecting to V+ or GND.
The TMP422 can monitor temperature through a remote diode and is often used in applications requiring precise temperature readings, such as in computers and other electronic devices.
Manufacturer
The manufacturer of the TMP422AIDCNR is Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of integrated circuits, including analog chips and embedded processors. These products are utilized in various applications across different industries such as automotive, industrial, personal electronics, and communications equipment. TI is known for its innovation in semiconductor technology and plays a significant role in advancing electronics through its diverse product offerings.
Application
The TMP422AIDCNR is a digital temperature sensor commonly used in applications such as environmental monitoring, industrial automation, and consumer electronics. It is ideal for thermal management in computing systems, servers, and telecommunications equipment due to its precision in monitoring multiple temperature zones. Additionally, it finds use in HVAC systems, medical devices, and battery management systems by providing accurate temperature measurements essential for system efficiency and safety. Its small size and low power consumption make it suitable for portable electronics and embedded systems. The TMP422AIDCNR's ability to interface with microcontrollers via I2C also makes it versatile for various custom applications.
Package
The TMP422AIDCNR is a temperature sensor from Texas Instruments, and it comes in a surface-mount package type known as SOT-563. This package is compact and typically used in applications where space is limited.
