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ADT7476 - Remote Thermal Controller and Voltage Monitor

Description

Digital I/O (Open Drain).

SMBus bidirectional serial data.

Requires SMBus pullup.

Features

  • Monitors Up to Five Voltages.
  • Controls and Monitors Up to Four Fans.
  • High and Low Frequency Fan Drive Signal.
  • One On-Chip and Two Remote Temperature Sensors.
  • Extended Temperature Measurement Range Up to 191°C.
  • Automatic Fan Speed Control Mode Controls System Cooling Based on Measured Temperature.
  • Enhanced Acoustic Mode Dramatically Reduces User Perception of Changing Fan Speeds.
  • Thermal Protection Feature via THERM Output.

📥 Download Datasheet

Datasheet Details

Part number ADT7476
Manufacturer onsemi
File Size 911.09 KB
Description Remote Thermal Controller and Voltage Monitor
Datasheet download datasheet ADT7476 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
DATA SHEET www.onsemi.com Remote Thermal Controller and Voltage Monitor ADT7476 The ADT7476 controller is a thermal monitor and multiple PWM fan controller for noise-sensitive or power-sensitive applications requiring active system cooling. The ADT7476 can drive a fan using either a low or high frequency drive signal and can monitor the temperature of up to two remote sensor diodes plus its own internal temperature. The part also measures and controls the speed of up to four fans, so the fans operate at the lowest possible speed for minimum acoustic noise. The automatic fan speed control loop optimizes fan speed for a given temperature. The effectiveness of the system’s thermal solution can be monitored using the THERM input.
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