ON Semiconductor
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ADT7473ARQZ-1
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ADT7473ARQZ-1

Introduction

The ADT7473ARQZ-1 is a digital temperature sensor and fan controller designed for use in personal computers. This device is part of the category of integrated circuits and is commonly used to monitor and control the temperature within computer systems. The ADT7473ARQZ-1 offers various characteristics such as high accuracy, small package size, and versatile functionality. It is typically available in a small outline integrated circuit (SOIC) package and is sold in quantities suitable for production and assembly.

Specifications

  • Temperature Sensor Range: -64°C to +191°C
  • Supply Voltage: 3.0V to 3.6V
  • Fan Control: 2-wire interface for fan speed control
  • Package Type: SOIC
  • Package Quantity: 2500 units per reel

Detailed Pin Configuration

The ADT7473ARQZ-1 features a 16-pin SOIC package with the following pin configuration: 1. VDD 2. D+ 3. D- 4. ALERT 5. SDA 6. SCL 7. TACH1 8. TACH2 9. GND 10. PWM1 11. PWM2 12. VID4 13. VID3 14. VID2 15. VID1 16. VID0

Functional Features

The ADT7473ARQZ-1 provides the following functional features: - Digital temperature sensing - Fan speed control - System monitoring and protection - Programmable over-temperature limits - Automatic fan speed adjustment

Advantages and Disadvantages

Advantages

  • High accuracy temperature sensing
  • Flexible fan control options
  • Small package size
  • Versatile functionality

Disadvantages

  • Limited temperature range compared to some alternatives
  • Requires careful calibration for optimal performance

Working Principles

The ADT7473ARQZ-1 operates by continuously monitoring the temperature within the system using its internal sensor. When the temperature exceeds a predefined limit, the device adjusts the fan speed to maintain the desired temperature range. This ensures efficient cooling and prevents overheating of the system components.

Detailed Application Field Plans

The ADT7473ARQZ-1 is widely used in the following applications: - Desktop computers - Workstations - Servers - Gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the ADT7473ARQZ-1 include: - LM75A: Digital temperature sensor with I2C interface - MAX31725: Temperature sensor and fan controller with automatic fan speed control - TMP117: High-accuracy digital temperature sensor with I2C interface

In conclusion, the ADT7473ARQZ-1 is a versatile digital temperature sensor and fan controller designed for use in personal computers. With its high accuracy, flexible fan control, and small package size, it is well-suited for various applications in the computing industry.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ADT7473ARQZ-1 in technische oplossingen

  1. What is the ADT7473ARQZ-1?

    • The ADT7473ARQZ-1 is a temperature sensor and fan controller designed for use in PC and embedded systems.

  2. How does the ADT7473ARQZ-1 measure temperature?

    • It uses an on-chip temperature sensor to accurately measure the temperature of the device or system it is monitoring.

  3. What type of interface does the ADT7473ARQZ-1 support?

    • It supports I2C and SMBus interfaces for communication with the host system.

  4. Can the ADT7473ARQZ-1 control multiple fans?

    • Yes, it can control up to four fans, making it suitable for managing cooling in various applications.

  5. What are the key features of the ADT7473ARQZ-1?

    • Some key features include programmable PWM outputs, automatic fan speed control, and hardware thermal shutdown protection.

  6. Is the ADT7473ARQZ-1 suitable for industrial applications?

    • Yes, it is suitable for a wide range of applications, including industrial and automotive environments.

  7. How does the ADT7473ARQZ-1 help in preventing overheating?

    • It continuously monitors the temperature and adjusts fan speeds accordingly to maintain optimal operating conditions and prevent overheating.

  8. Can the ADT7473ARQZ-1 be used in conjunction with other temperature sensors?

    • Yes, it can be used alongside other sensors to provide comprehensive temperature monitoring and control.

  9. Does the ADT7473ARQZ-1 require external components for operation?

    • It requires minimal external components, simplifying its integration into various technical solutions.

  10. What are the typical applications of the ADT7473ARQZ-1?

    • Typical applications include desktop and notebook computers, servers, and other electronic systems requiring thermal management.