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TC646 PWM Fan Speed Controller

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Description

M .
The TC646 is a switch mode, fan speed controller for use with brushless DC fans.

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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 TC646 Supply Voltage - Supports any Fan Voltage
* FanSenseā„¢ Fault Detection Circuits Protect Against Fan F

Applications

* , for more information and system design guidelines. The TC646 is available in the 8-pin plastic DIP, SOIC and MSOP packages and is available in the industrial and extended commercial temperature ranges. Applications
* Power Suppli

TC646 Distributors

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Microchip TC646-like datasheet