W83792AG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Temperature Sensor and Fan Controller
• Characteristics:
  • Monitors temperature and controls fan speed accordingly
  • Supports multiple temperature sensors
  • Provides accurate temperature readings
  • Offers flexible fan control options
• Package: QFN (Quad Flat No-leads)
• Essence: Efficient temperature sensing and fan control in electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.7V to 5.5V
• Temperature Measurement Range: -40°C to +125°C
• Resolution: 0.0625°C
• Fan Control: PWM (Pulse Width Modulation) or DC voltage control
• Number of Temperature Sensors Supported: Up to 4
• Communication Interface: I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

The W83792AG IC has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground connection
3. SDA: I2C data line
4. SCL: I2C clock line
5. TACH1: Tachometer input for fan 1
6. TACH2: Tachometer input for fan 2
7. TACH3: Tachometer input for fan 3
8. TACH4: Tachometer input for fan 4
9. TEMP1: Temperature sensor input 1
10. TEMP2: Temperature sensor input 2
11. TEMP3: Temperature sensor input 3
12. TEMP4: Temperature sensor input 4
13. FAN1: Fan control output for fan 1
14. FAN2: Fan control output for fan 2
15. FAN3: Fan control output for fan 3
16. FAN4: Fan control output for fan 4

Functional Features

• Temperature Monitoring: The W83792AG can accurately measure the temperature using its built-in sensors.
• Fan Control: It provides flexible fan control options, allowing users to adjust fan speed based on temperature readings.
• Multiple Sensor Support: Up to four temperature sensors can be connected to monitor different areas of a device.
• PWM or DC Control: The IC supports both PWM and DC voltage control methods for fan speed adjustment.
• Alarm Function: It can generate an alarm signal when the temperature exceeds a user-defined threshold.

Advantages and Disadvantages

Advantages: - Accurate temperature sensing - Flexible fan control options - Multiple sensor support - Compact QFN package - Low power consumption

Disadvantages: - Limited number of temperature sensors supported - Requires I2C communication interface

Working Principles

The W83792AG operates by continuously monitoring the temperature using its integrated sensors. It compares the measured temperature with user-defined thresholds and adjusts the fan speed accordingly. The IC communicates with the host system through the I2C interface, enabling temperature and fan control settings to be easily configured.

Detailed Application Field Plans

The W83792AG is widely used in various electronic devices that require temperature monitoring and fan control. Some common application fields include:

1. Personal Computers (PCs): The IC ensures efficient cooling by adjusting the fan speed based on the CPU temperature.
2. Servers: It helps maintain optimal operating temperatures in server rooms by controlling multiple fans.
3. Home Appliances: The W83792AG can be integrated into appliances like refrigerators and air conditioners to regulate internal temperatures.
4. Industrial Equipment: It finds applications in industrial machinery where temperature control is critical for safe and reliable operation.

Detailed and Complete Alternative Models

1. W83793AG: Similar to W83792AG, but supports up to 8 temperature sensors.
2. W83794AG: Offers additional features such as voltage monitoring and fan failure detection.
3. W83795AG: Designed for high-performance systems with advanced fan control algorithms.

These alternative models provide similar functionality to the W83792AG but offer additional capabilities or expanded sensor support based on specific requirements.

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