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AMC6821 Datasheet Intelligent Temperature Monitor And Pwm Fan Controller

Manufacturer: Burr-Brown (Texas Instruments)

Overview: BurrĆBrown Products AMC6821 from Texas Instruments AMC6821 SBAS386C – MAY 2006 – REVISED JULY 2007 Intelligent Temperature Monitor and PWM Fan.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The AMC6821 is an intelligent temperature monitor and pulse-width modulation (PWM) fan controller.

It is designed for noise-sensitive or power-sensitive applications that require active system cooling.

Using either a low-frequency or a high-frequency PWM signal, this device can simultaneously drive a fan, monitor remote sensor diode temperatures, and measure and control the fan speed so that it operates with minimal acoustic noise at the lowest possible speed.

Key Features

  • 1.
  • 23456 Remote Temperature Sensor: ±2°C Accuracy, 0.125°C Resolution.
  • Local Temperature Sensor: ±2°C Accuracy, 0.125°C Resolution.
  • PWM Controller.
  • PWM Frequency: 10Hz to 40kHz Duty Cycle: 0% to 100%, 8 Bits.
  • Automatic Fan Speed Control Loops.
  • SMBus Interface.
  • Power: 2.7V to 5.5V.
  • Package (Green): QSOP-16 (4mm × 5mm).
  • RoHS Compliant.

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