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TC642 Datasheet - Microchip

TC642_Microchip.pdf

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Datasheet Details

Part number:

TC642

Manufacturer:

Microchip ↗

File Size:

485.37 KB

Description:

Pwm fan speed controller.

TC642, PWM Fan Speed Controller

The TC642 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.

TC642 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 TC642 Supply Voltage - Supports any Fan Voltage

* FanSenseā„¢ Fault Detection Circuits Protect Against Fan F

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