TMP451JQDQFRQ1

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TMP451JQDQFRQ1

IC TEMP SENSOR

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Bảo hành 365 ngày

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Thông số kỹ thuật

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 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 (TA)
Mounting Type Surface Mount
Package / Case 8-WFDFN
Supplier Device Package 8-WSON (2x2)
Base Product Number TMP451
Grade Automotive
Qualification AEC-Q100

Tổng quan

Description

The TMP451JQDQFRQ1 is a high-accuracy digital temperature sensor produced by Texas Instruments. It features a wide temperature measurement range, typically from -40°C to 125°C, and communicates via the I2C interface, allowing easy integration into various electronic systems. The sensor offers a resolution of up to 0.0625°C and includes multiple address options for compatibility with multiple devices on a single bus.
Designed for applications in automotive, industrial, and consumer electronics, the TMP451JQDQFRQ1 is equipped with built-in features such as an alert function which can trigger when the temperature exceeds preset thresholds. Its low power consumption makes it suitable for battery-operated devices. The device comes in a compact, surface-mount package, facilitating space-saving designs in printed circuit boards. Overall, the TMP451 is ideal for precise temperature monitoring and control in a variety of applications.

Features

The TMP451JQDQFRQ1 is a digital temperature sensor from Texas Instruments. Key features include:
1. Temperature Range: It operates within a wide range of -40°C to +125°C.
2. Digital Output: Provides I2C interface for easy integration with microcontrollers and digital systems.
3. Accuracy: Offers ±1°C accuracy across the specified temperature range.
4. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
5. Multiple Devices: Supports multiple sensors on the same I2C bus, allowing for flexibility in system design.
6. Alert Function: Has an alert output to signal when temperature exceeds preset thresholds.
7. Programmable Resolution: Adjustable resolution for temperature readings, up to 12 bits.
8. Compact Package: Housed in a small QFN package, ideal for space-constrained applications.
These features make the TMP451JQDQFRQ1 suitable for various applications, including industrial automation, HVAC systems, and consumer electronics.

Package

The TMP451JQDQFRQ1 comes in a VQFN (Very Thin Quad Flat No-lead) package type, specifically a 12-pin variant. This package provides a compact footprint, ideal for space-constrained applications while allowing for efficient thermal management.

Pinout

The TMP451JQDQFRQ1 is a digital temperature sensor from Texas Instruments. It features a 16-pin package (VQFN) configuration. The primary functions of the pins are as follows:
1. Pins 1, 2: NC (No Connect) - Not internally connected.
2. Pin 3: GND - Ground connection.
3. Pin 4: GPIO - General-purpose input/output.
4. Pin 5: ALERT - Interrupt output to signal temperature limits being crossed.
5. Pin 6: SDA - Serial data line for I2C communication.
6. Pin 7: SCL - Serial clock line for I2C communication.
7. Pin 8: ADDR - Address selection for I2C bus.
8. Pins 9, 10: NC - Not internally connected.
9. Pin 11: VDD - Power supply.
10. Pin 12: TS - Temperature sensor input (external thermistor).
11. Pins 13, 14, 15, 16: NC - Not internally connected.
The TMP451JQDQFRQ1 supports multiple temperature measurements and provides digital output via the I2C interface.

Manufacturer

The TMP451JQDQFRQ1 is manufactured by Texas Instruments (TI), a leading semiconductor company. Texas Instruments specializes in designing and producing a wide range of electronic components, including analog and digital semiconductors, embedded processors, and integrated circuits. Founded in 1930, the company is known for its innovation in the field of electronics and has a strong focus on applications such as industrial, automotive, communications, and personal electronics. TI is also recognized for its commitment to quality and reliability in its products.

Application

The TMP451JQDQFRQ1 is a dual-channel temperature sensor primarily used in automotive applications, particularly for monitoring temperatures in critical components like engines and powertrains. It can also be utilized in industrial systems, HVAC equipment, and consumer electronics for temperature management and thermal protection. Its precision and reliability make it suitable for safety-critical environments.

Equivalent

The TMP451JQDQFRQ1 is a temperature sensor from Texas Instruments. Equivalent products include the TMP421, TMP422, and TMP431 series, which offer similar functionalities, such as digital temperature sensing and I2C communication. Other potential alternatives are the LM75 and LM95245 from Texas Instruments and NXP, respectively, though they may vary in features like accuracy and temperature range. Always verify specifications for compatibility.

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