仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Sensor Type | Digital, Local/Remote |
| Sensing Temperature - Local | -40°C ~ 125°C |
| Sensing Temperature - Remote | -64°C ~ 191°C |
| Output Type | I²C/SMBus |
| Voltage - Supply | 1.7V ~ 3.6V |
| Resolution | 12 b |
| Features | One-Shot, Output Switch, Programmable Limit, Shutdown Mode |
| Accuracy - Highest(Lowest) | ±1°C (±2°C) |
| Test Condition | 0°C ~ 70°C (-40°C ~ 125°C) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概要
Description
The TMP451AQDQFRQ1 is a high-precision temperature sensor developed by Texas Instruments. It's designed to monitor temperature in electronic systems, crucial for maintaining device reliability and performance. The device includes both a local temperature sensor and a remote sensing diode, typically used to measure the temperature of a CPU or GPU.
This sensor supports a temperature range from -40°C to +125°C for local readings and up to +150°C for remote readings, with an accuracy of ±1°C under typical conditions. It communicates via a standard I2C/SMBus interface, making it easy to integrate into various systems.
The TMP451AQDQFRQ1 is particularly suitable for automotive, industrial, and consumer applications due to its robust design and automotive-qualified standard. It operates efficiently with low power consumption, featuring programmable alerts and wide resolution modes for precise control. Its compact form factor and ease of integration make it a versatile choice for temperature monitoring in complex electronic systems.
This sensor supports a temperature range from -40°C to +125°C for local readings and up to +150°C for remote readings, with an accuracy of ±1°C under typical conditions. It communicates via a standard I2C/SMBus interface, making it easy to integrate into various systems.
The TMP451AQDQFRQ1 is particularly suitable for automotive, industrial, and consumer applications due to its robust design and automotive-qualified standard. It operates efficiently with low power consumption, featuring programmable alerts and wide resolution modes for precise control. Its compact form factor and ease of integration make it a versatile choice for temperature monitoring in complex electronic systems.
Equivalent
The TMP451AQDQFRQ1 is a high-accuracy, remote and local temperature sensor. Equivalent products might include the LM95233 from Texas Instruments, the MAX31875 from Maxim Integrated, and the ADT7461 from Analog Devices. These alternatives offer similar remote temperature sensing capabilities and are often used in applications requiring precise temperature monitoring. Always check the specific requirements and datasheets to ensure compatibility.
Features
The TMP451AQDQFRQ1 is a precision temperature sensor from Texas Instruments, designed for automotive applications. Key features include:
1. Temperature Range: It can measure temperatures from -40°C to 125°C for the local sensor and up to 150°C for the remote sensor.
2. Accuracy: Provides high precision with an accuracy of ±1°C for remote temperatures and ±2°C for local.
3. Remote Sensing: Supports remote temperature sensing using a transistor, making it suitable for monitoring components like CPUs or GPUs.
4. Communication Interface: Utilizes a standard I2C/SMBus interface for communication, facilitating easy integration with microcontrollers.
5. Supply Voltage: Operates on a supply voltage range of 1.7V to 3.6V.
6. Low Power Consumption: Designed for low power consumption, aiding in energy-efficient applications.
7. Fault Tolerance: Features programmable alert thresholds and supports system fault detection mechanisms.
8. Package: Offered in a compact, 8-pin package suitable for space-constrained applications.
These attributes make it well-suited for automotive and industrial temperature monitoring applications.
1. Temperature Range: It can measure temperatures from -40°C to 125°C for the local sensor and up to 150°C for the remote sensor.
2. Accuracy: Provides high precision with an accuracy of ±1°C for remote temperatures and ±2°C for local.
3. Remote Sensing: Supports remote temperature sensing using a transistor, making it suitable for monitoring components like CPUs or GPUs.
4. Communication Interface: Utilizes a standard I2C/SMBus interface for communication, facilitating easy integration with microcontrollers.
5. Supply Voltage: Operates on a supply voltage range of 1.7V to 3.6V.
6. Low Power Consumption: Designed for low power consumption, aiding in energy-efficient applications.
7. Fault Tolerance: Features programmable alert thresholds and supports system fault detection mechanisms.
8. Package: Offered in a compact, 8-pin package suitable for space-constrained applications.
These attributes make it well-suited for automotive and industrial temperature monitoring applications.
Pinout
The TMP451AQDQFRQ1 is a high-accuracy remote and local temperature sensor by Texas Instruments. It typically comes in an 8-pin package. Here are the primary functions of its pins:
1. V+: Power supply voltage input.
2. D+: Positive connection to the remote temperature sensor diode.
3. D-: Negative connection to the remote temperature sensor diode.
4. GND: Ground connection.
5. ALERT: Open-drain alert output that signals when the temperature exceeds user-programmable limits.
6. SDA: I2C data line used for communication.
7. SCL: I2C clock line used for communication.
8. ADD0: Address pin that allows for multiple devices on the same I2C bus by changing the device’s slave address.
The TMP451AQDQFRQ1 is designed for automotive applications and provides accurate temperature readings for both local and remote locations, making it suitable for monitoring sensitive electronic components.
1. V+: Power supply voltage input.
2. D+: Positive connection to the remote temperature sensor diode.
3. D-: Negative connection to the remote temperature sensor diode.
4. GND: Ground connection.
5. ALERT: Open-drain alert output that signals when the temperature exceeds user-programmable limits.
6. SDA: I2C data line used for communication.
7. SCL: I2C clock line used for communication.
8. ADD0: Address pin that allows for multiple devices on the same I2C bus by changing the device’s slave address.
The TMP451AQDQFRQ1 is designed for automotive applications and provides accurate temperature readings for both local and remote locations, making it suitable for monitoring sensitive electronic components.
Manufacturer
The TMP451AQDQFRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. TI is well-known for its analog chips and embedded processors, which are used in various applications across the automotive, industrial, personal electronics, communications, and enterprise systems industries. The company focuses on developing innovative technologies to enhance electronics' performance, efficiency, and affordability in a variety of applications.
Application
The TMP451AQDQFRQ1 is a precision temperature sensor used in various applications. Its key areas include automotive systems, where it monitors temperature for engine and battery management, consumer electronics for thermal regulation in devices like laptops and smartphones, industrial automation for process temperature monitoring and control, and communication equipment where it ensures optimal performance of networking hardware. Its high accuracy and reliability make it suitable for any system requiring precise thermal management and protection.
Package
The TMP451AQDQFRQ1 is a temperature sensor IC from Texas Instruments, and it comes in a WSON (Dual Flat No-Lead, or DFN) package. Specifically, it is a 10-pin WSON package, known for its compact size and efficient thermal performance, suitable for surface-mount technology applications.
