ADT7476ARQZ-REEL

Product Overview

Category

The ADT7476ARQZ-REEL belongs to the category of integrated circuits (ICs) specifically designed for temperature sensing and fan control applications.

Use

This product is primarily used in electronic devices and systems where precise temperature monitoring and fan speed control are essential for optimal performance and reliability.

Characteristics

• Temperature Sensing: The ADT7476ARQZ-REEL features multiple temperature sensors that accurately measure the ambient temperature as well as the temperature of critical components.
• Fan Control: It provides a comprehensive fan control mechanism, allowing users to adjust fan speeds based on temperature thresholds.
• Digital Interface: This IC supports various digital interfaces such as I2C and SMBus, enabling seamless integration with microcontrollers and other digital systems.
• Low Power Consumption: The ADT7476ARQZ-REEL is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.
• High Accuracy: With its high-resolution analog-to-digital converters (ADCs), this product offers precise temperature measurements and fan speed control.

Package and Quantity

The ADT7476ARQZ-REEL is available in a small outline integrated circuit (SOIC) package. It is typically supplied in reels containing a specific quantity of ICs, which may vary depending on the manufacturer or distributor.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Temperature Measurement Range: -40°C to +125°C
• Number of Temperature Sensors: 4
• Fan Control Channels: 4
• Digital Interface: I2C/SMBus compatible
• Resolution: 12-bit ADC
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADT7476ARQZ-REEL has a total of 24 pins, each serving a specific function. The detailed pin configuration is as follows:

1. VCC
2. GND
3. ALERT#
4. SDA
5. SCL
6. TACH1
7. TACH2
8. TACH3
9. TACH4
10. PWM1
11. PWM2
12. PWM3
13. PWM4
14. TEMP1
15. TEMP2
16. TEMP3
17. TEMP4
18. VDD
19. GND
20. AD0
21. AD1
22. AD2
23. AD3
24. AD4

Functional Features

• Temperature Monitoring: The ADT7476ARQZ-REEL continuously measures the temperature using its built-in sensors and provides accurate readings for monitoring purposes.
• Fan Speed Control: It enables precise control of fan speeds based on user-defined temperature thresholds, ensuring efficient cooling and preventing overheating.
• Alarm and Alert Mechanism: This IC can generate alarms or alerts when temperature limits are exceeded, allowing timely intervention to prevent potential damage.
• Programmability: Users can configure various parameters such as temperature thresholds, fan speed profiles, and alarm settings through the digital interface.

Advantages

• Accurate Temperature Sensing: The ADT7476ARQZ-REEL offers high accuracy in temperature measurements, enabling precise thermal management.
• Flexible Fan Control: With four independent fan control channels, this product allows users to customize fan speed profiles according to specific cooling requirements.
• Low Power Consumption: Its efficient design ensures minimal power consumption, making it suitable for energy-efficient applications.
• Compact Package: The small outline integrated circuit (SOIC) package provides ease of integration into space-constrained electronic systems.

Disadvantages

• Limited Temperature Sensor Inputs: The ADT7476ARQZ-REEL supports up to four temperature sensors, which may be insufficient for applications requiring a higher number of temperature measurements.
• Lack of Advanced Features: Compared to more advanced temperature sensing and fan control ICs, this product may lack certain advanced features such as advanced diagnostics or additional digital interfaces.

Working Principles

The ADT7476ARQZ-REEL operates by continuously monitoring the temperature using its built-in sensors. It compares the measured temperature with user-defined thresholds and adjusts the fan speeds accordingly. The digital interface allows users to configure various parameters and receive temperature-related alerts or alarms.

Application Field Plans

The ADT7476ARQZ-REEL finds extensive application in various electronic devices and systems that require temperature monitoring and fan control. Some potential application fields include: - Personal Computers (PCs) and Servers - Consumer Electronics (e.g., Gaming Consoles, Set-Top Boxes) - Industrial Automation Systems - Medical Equipment - Automotive Electronics

Alternative Models

For those seeking alternative options, several other temperature sensing and fan control ICs are available in the market. Some notable alternatives to the ADT