TC652BEVUA

集成温度传感器和无刷直流风扇控制器 Integrated Temperature Sensor & Brushless DC Fan Controller

General Description

The TC652/TC653 are integrated temperature sensors and brushless DC fan speed controllers with FanSense™

technology. The TC652/TC653 measure their junction temperature and control the speed of the fan based on that temperature, making them especially suited for applications in modern electronic equipment. The FanSense™ Fan Fault detect circuitry eliminates the need for a more expensive 3-wire fan.

Features

• Integrated Temperature Sensing and Multi-speed Fan Control

• FanSense™ Fan Fault Detect Circuitry

• Built-in Over-Temperature Alert TOVER

• Temperature Proportional Fan Speed Control for Acoustic Noise Reduction and Longer Fan Life

• Pulse Width Modulation Output Drive for Cost and Power Savings

• Solid-State Temperature Sensing

• ±1°C Typical Accuracy from 25°C to +70°C

• 2.8V – 5.5V Operating Range

• TC653 includes Auto Fan Shutdown

• Low Operating Current: 50µATypical

Applications

• Thermal Protection For Personal Computers

• Digital Set-Top Boxes

• Notebook Computers

• Data Communications

• Power Supplies

• Projectors