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TC648 - Fan Speed Controller

Description

The TC648 is a switch mode, fan speed controller for use with brushless DC fans.

Temperature proportional speed control is accomplished using pulse width modulation (PWM).

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 TC648 Supply Voltage - Supports any Fan Voltage.
  • Over-temperature Fault Detection.
  • Automatic Shutdown Mode for “Green” Systems.
  • Supports Low Cost NTC/PTC Thermistors.
  • Space Saving 8-Pin MSOP Package TC648 Package Types SOIC/PDIP/MSOP VIN CF VAS GND 1 2 3 4 8 7 VDD VOUT OTF NC.

📥 Download Datasheet

Datasheet Details

Part number TC648
Manufacturer Microchip
File Size 602.97 KB
Description Fan Speed Controller
Datasheet download datasheet TC648 Datasheet

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Full PDF Text Transcription

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M 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 TC648 Supply Voltage - Supports any Fan Voltage • Over-temperature Fault Detection • Automatic Shutdown Mode for “Green” Systems • Supports Low Cost NTC/PTC Thermistors • Space Saving 8-Pin MSOP Package TC648 Package Types SOIC/PDIP/MSOP VIN CF VAS GND 1 2 3 4 8 7 VDD VOUT OTF NC Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert TC648 6 5 General Description The TC648 is a switch mode, fan speed controller for use with brushless DC fans. Temperature proportional speed control is accomplished using pulse width modulation (PWM).
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