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TC642B

Microchip
Part Number TC642B
Manufacturer Microchip
Description PWM Fan Speed Controllers
Published Feb 6, 2015
Detailed Description M TC642B/TC647B PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense™ Technology for Fault Detecti...
Datasheet PDF File TC642B PDF File

TC642B
TC642B

Overview
M TC642B/TC647B PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense™ Technology for Fault Detection 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 • FanSense™ Fault Detection Circuit Protects Against Fan Failure and Aids System Testing • Shutdown Mode for "Green" Systems • Supports Low Cost NTC/PTC Thermistors • Over-Temperature Indication (TC642B only) • Fan Auto-Restart • Space-Saving 8-Pin MSOP Package Applications • Personal Computers & Servers • LCD Projectors • Datacom & Teleco...


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