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TC649

PWM Fan Speed Controller

TC649 Features

* Temperature Proportional Fan Speed for Acoustic Control and Longer Fan Life

* Efficient PWM Fan Drive

* 3.0V to 5.5V Supply Range: - Fan Voltage Independent of TC649 Supply Voltage - Supports any Fan Voltage

* FanSense™ Fault Detection Circuits Protect Against Fan F

TC649 General Description

The TC649 is a switch mode, fan speed controller for use with brushless DC fans. Temperature proportional speed control is accomplished using pulse width modulation (PWM). A thermistor (or other voltage output temperature sensor) connected to the VIN input furnishes the required control voltage of 1.

TC649 Datasheet (478.54 KB)

Preview of TC649 PDF

Datasheet Details

Part number:

TC649

Manufacturer:

Microchip ↗

File Size:

478.54 KB

Description:

Pwm fan speed controller.

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TAGS

TC649 PWM Fan Speed Controller Microchip

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