ADT7476ARQZ-REEL7

Product Overview

Category

The ADT7476ARQZ-REEL7 belongs to the category of integrated circuit (IC) temperature sensors.

Use

This product is primarily used for monitoring and controlling temperature in electronic devices and systems.

Characteristics

• High accuracy: The ADT7476ARQZ-REEL7 offers precise temperature measurement with a high degree of accuracy.
• Digital output: It provides digital temperature readings, making it compatible with various microcontrollers and digital systems.
• Multiple sensor inputs: This IC supports multiple temperature sensor inputs, allowing for comprehensive temperature monitoring in complex systems.
• Programmable features: The ADT7476ARQZ-REEL7 offers programmable temperature thresholds and fan control options, enabling efficient temperature regulation.
• Low power consumption: It operates with low power consumption, making it suitable for battery-powered applications.

Package

The ADT7476ARQZ-REEL7 is available in a small outline package (SOIC), which ensures easy integration into electronic circuits.

Essence

The essence of the ADT7476ARQZ-REEL7 lies in its ability to accurately measure and control temperature in electronic devices, ensuring optimal performance and preventing overheating.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Temperature range: -40°C to +125°C
• Resolution: 0.0625°C
• Supply voltage: 2.7V to 5.5V
• Interface: I2C/SMBus
• Number of sensor inputs: 4
• Fan control outputs: 4
• Dimensions: 3mm x 3mm

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. ALERT: Interrupt output for temperature threshold detection
6. TACH1 to TACH4: Fan tachometer inputs
7. PWM1 to PWM4: Fan control outputs
8. TEMP1 to TEMP4: Temperature sensor inputs

Functional Features

• Temperature measurement: The ADT7476ARQZ-REEL7 accurately measures temperature using its integrated sensors.
• Temperature threshold detection: It can detect user-defined temperature thresholds and generate an interrupt signal (ALERT) when these thresholds are exceeded.
• Fan control: This IC provides fan control outputs (PWM1 to PWM4) to regulate fan speed based on temperature readings, ensuring efficient cooling.
• Programmability: The ADT7476ARQZ-REEL7 allows users to program various parameters such as temperature thresholds, fan control settings, and I2C address.

Advantages and Disadvantages

Advantages

• High accuracy temperature measurement
• Multiple sensor inputs for comprehensive monitoring
• Programmable features for customization
• Low power consumption
• Compact package for easy integration

Disadvantages

• Limited number of fan control outputs (4)
• Requires external components for fan control implementation

Working Principles

The ADT7476ARQZ-REEL7 operates by measuring the voltage across its integrated temperature sensors. These sensors convert temperature into a corresponding voltage, which is then digitized and processed by the IC. The digital temperature readings are made available through the I2C interface. The IC also monitors temperature thresholds and controls fan speed accordingly using the fan control outputs.

Detailed Application Field Plans

The ADT7476ARQZ-REEL7 finds applications in various fields where temperature monitoring and control are critical. Some potential application areas include:

1. Computer systems: It can be used to monitor and regulate the temperature of CPUs, GPUs, and other components in desktops, laptops, and servers.
2. Industrial automation: The IC can ensure optimal operating temperatures in industrial machinery and equipment, preventing overheating and improving reliability.
3. Automotive electronics: It is suitable for temperature monitoring in automotive electronic systems, such as engine control units (ECUs) and infotainment systems.
4. Medical devices: The ADT7476ARQZ-REEL7 can be utilized in medical equipment to maintain safe operating temperatures and protect sensitive components.
5. Home appliances: It can contribute to temperature control in appliances like refrigerators, ovens, and air conditioners, enhancing their efficiency and longevity.

Detailed and Complete Alternative Models

1. LM35: A popular analog temperature sensor with a wide temperature range and simple interface.
2. DS18B20: A digital temperature sensor with programmable resolution and unique 64-bit serial code for multiple sensor integration.
3. TMP36: An analog temperature sensor that provides a linear voltage