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MAX664CSA+T
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MAX664CSA+T

Introduction

The MAX664CSA+T is a temperature sensor and fan controller integrated circuit designed for use in electronic devices. This entry provides an overview of the product, including its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Temperature Sensor and Fan Controller IC
  • Use: Monitoring and controlling temperature in electronic devices, and regulating fan speed accordingly.
  • Characteristics: High accuracy temperature sensing, PWM fan control, small form factor.
  • Package: Surface Mount SOIC
  • Essence: Provides precise temperature monitoring and fan control to maintain optimal operating conditions for electronic devices.
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier.

Specifications

  • Temperature Range: -55°C to +125°C
  • Supply Voltage: 3V to 5.5V
  • Fan Control: PWM output with programmable frequency
  • Accuracy: ±1°C (typical) over full temperature range
  • Interface: I2C-compatible serial interface

Detailed Pin Configuration

  1. VCC
  2. GND
  3. SCL
  4. SDA
  5. ALERT
  6. TACH
  7. FAN
  8. TEMP

Functional Features

  • Accurate temperature measurement
  • Programmable fan speed control
  • Overtemperature alarm with programmable threshold
  • Tachometer input for fan speed monitoring
  • I2C interface for communication with microcontrollers

Advantages and Disadvantages

Advantages

  • Precise temperature monitoring
  • Flexible fan speed control
  • Compact form factor
  • I2C interface for easy integration

Disadvantages

  • Limited to single fan control
  • Requires external components for fan drive

Working Principles

The MAX664CSA+T operates by measuring the temperature using an internal sensor and adjusting the fan speed through a PWM output based on the programmed temperature thresholds. It communicates with the host microcontroller via the I2C interface to provide temperature data and receive control commands.

Detailed Application Field Plans

The MAX664CSA+T is suitable for various applications, including: - Computer systems - Home appliances - Industrial equipment - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

  • LM75A: Digital temperature sensor with I2C interface
  • TMP117: High-accuracy digital temperature sensor with I2C interface
  • ADT7420: High-precision digital temperature sensor with I2C interface

In conclusion, the MAX664CSA+T is a versatile temperature sensor and fan controller IC that offers precise temperature monitoring and fan control capabilities. Its compact design and flexible interface make it suitable for a wide range of electronic applications.

Word Count: 410

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  1. What is the MAX664CSA+T?

    • The MAX664CSA+T is a temperature sensor and fan-speed regulator designed for use in electronic systems to monitor and control temperature.

  2. How does the MAX664CSA+T measure temperature?

    • The MAX664CSA+T uses an integrated temperature sensor to measure the ambient temperature of the system.

  3. What is the operating voltage range of the MAX664CSA+T?

    • The MAX664CSA+T operates within a voltage range of 3.0V to 5.5V.

  4. Can the MAX664CSA+T control multiple fans?

    • Yes, the MAX664CSA+T can control up to two fans using its PWM outputs.

  5. What is the accuracy of the temperature measurement with the MAX664CSA+T?

    • The MAX664CSA+T has a typical accuracy of ±1°C.

  6. Does the MAX664CSA+T have any built-in fault detection features?

    • Yes, the MAX664CSA+T includes overtemperature and undertemperature fault detection.

  7. Is the MAX664CSA+T suitable for automotive applications?

    • Yes, the MAX664CSA+T is suitable for automotive applications due to its wide operating voltage range and robust design.

  8. Can the MAX664CSA+T be used in conjunction with a microcontroller?

    • Yes, the MAX664CSA+T can be easily interfaced with a microcontroller using its I2C interface.

  9. What is the typical power consumption of the MAX664CSA+T?

    • The typical power consumption of the MAX664CSA+T is low, making it suitable for battery-powered applications.

  10. Are there any application notes or reference designs available for the MAX664CSA+T?

    • Yes, Maxim Integrated provides application notes and reference designs to assist in the implementation of the MAX664CSA+T in technical solutions.