EMC2302-2-AIZL-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The EMC2302-2-AIZL-TR is a versatile integrated circuit primarily used for temperature and fan control in electronic devices. It offers precise monitoring and regulation of temperature, as well as efficient management of cooling fans.

Characteristics: - Temperature sensing and control - Fan speed control - High accuracy and precision - Compact size - Low power consumption

Package: The EMC2302-2-AIZL-TR is available in a small outline package (SOP) with 8 pins. This compact package allows for easy integration into various electronic devices.

Essence: The essence of the EMC2302-2-AIZL-TR lies in its ability to accurately monitor temperature and efficiently control fan speed, ensuring optimal thermal management in electronic systems.

Packaging/Quantity: The EMC2302-2-AIZL-TR is typically sold in reels containing a quantity of 2500 units per reel.

Specifications

The specifications of the EMC2302-2-AIZL-TR include:

• Temperature Sensor:

  • Measurement Range: -40°C to +125°C
  • Accuracy: ±1°C
  • Resolution: 0.0625°C

• Fan Control:

  • Number of Fan Channels: 2
  • PWM Output Frequency: 30kHz to 10MHz
  • Fan Speed Control Range: 0% to 100%

• Power Supply:

  • Voltage Range: 3V to 5.5V
  • Quiescent Current: 200µA (typical)

• Communication Interface:

  • I2C (Inter-Integrated Circuit) compatible

Detailed Pin Configuration

The pin configuration of the EMC2302-2-AIZL-TR is as follows:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. SDA: I2C data line
4. SCL: I2C clock line
5. ALERT: Interrupt output for temperature/fan events
6. FAN1: Fan 1 control output
7. FAN2: Fan 2 control output
8. TACH: Tachometer input for fan speed monitoring

Functional Features

The EMC2302-2-AIZL-TR offers the following functional features:

1. Temperature Sensing and Control:

   • Accurate temperature measurement within a wide range
   • Configurable temperature thresholds for triggering actions
   • Automatic fan speed adjustment based on temperature

2. Fan Speed Control:

   • Precise control of fan speed using pulse-width modulation (PWM)
   • Smooth and efficient regulation of cooling airflow
   • Independent control of two fans

3. Event Monitoring and Alerting:

   • Detection of critical temperature levels or fan malfunctions
   • Generation of interrupt signals (ALERT pin) for timely response
   • Real-time monitoring of temperature and fan status

Advantages and Disadvantages

Advantages: - High accuracy temperature sensing ensures optimal thermal management. - Efficient fan speed control enhances cooling performance and extends component lifespan. - Compact size allows for easy integration into various electronic devices. - Low power consumption minimizes energy usage.

Disadvantages: - Limited to controlling two fans, which may not be sufficient for complex systems with multiple cooling requirements. - Requires I2C communication interface support from the host system.

Working Principles

The EMC2302-2-AIZL-TR operates by continuously monitoring the temperature using its built-in sensor. It compares the measured temperature with user-defined thresholds and adjusts the fan speed accordingly. The PWM outputs control the fan speed by varying the duty cycle of the signal. The integrated circuit communicates with the host system through the I2C interface, enabling temperature and fan status monitoring.

Detailed Application Field Plans

The EMC2302-2-AIZL-TR finds applications in various electronic devices that require temperature regulation and fan control. Some potential application fields include:

1. Personal Computers:

   • Ensuring optimal cooling for CPUs, GPUs, and other components.
   • Preventing overheating and maintaining system stability.

2. Home Entertainment Systems:

   • Regulating temperature in audio/video receivers, amplifiers, and gaming consoles.
   • Enhancing performance and prolonging the lifespan of sensitive electronics.

3. Industrial Equipment:

   • Controlling temperature and fan speed in servers, routers, and switches.
   • Maintaining reliable operation in demanding environments.

4. Automotive Electronics:

   • Managing thermal conditions in automotive control units and infotainment systems.
   • Improving reliability and preventing component failures.

Detailed and Complete Alternative Models

Some alternative models to the EMC2302-2-AIZL-TR that offer similar functionality are:

1. LM75