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TC642B Datasheet - Microchip

TC642B-Microchip.pdf

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Datasheet Details

Part number:

TC642B

Manufacturer:

Microchip ↗

File Size:

545.74 KB

Description:

Pwm fan speed controllers.

TC642B, PWM Fan Speed Controllers

The TC642B/TC647B devices are new versions of the existing TC642/TC647 fan speed controllers.

These devices are switch mode, fan speed controllers that incorporate a new fan auto-restart function.

Temperature-proportional speed control is accomplished using pulse width modulation.

A thermistor (or o

TC642B Features

* Temperature-Proportional Fan Speed for Acoustic Noise Reduction and Longer Fan Life

* Efficient PWM Fan Drive

* 3.0V to 5.5V Supply Range: - Fan Voltage Independent of TC642B/TC647B Supply Voltage - Supports any Fan Voltage

* FanSenseā„¢ Fault Detection Circuit Protec

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