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TC654 - PWM Fan Speed Controller

Description

The TC654 and TC655 are PWM mode fan speed controllers with FanSense technology for use with brushless DC fans.

These devices implement temperature proportional fan speed control which lowers acoustic fan noise and increases fan life.

Features

  • Temperature Proportional Fan Speed for Reduced Acoustic Noise and Longer Fan Life.
  • FanSense™ Protects against Fan Failure and Eliminates the Need for 3-wire Fans.
  • Overtemperature Detection (TC655).
  • Efficient PWM Fan Drive.
  • Provides RPM Data.
  • 2-Wire SMBus™-Compatible Interface.
  • Supports Any Fan Voltage.
  • Software Controlled Shutdown Mode for "Green" Systems.
  • Supports Low-Cost NTC/PTC Thermistors.
  • Space Savi.

📥 Download Datasheet

Datasheet Details

Part number TC654
Manufacturer Microchip
File Size 571.08 KB
Description PWM Fan Speed Controller
Datasheet download datasheet TC654 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TC654/TC655 Dual SMBus™ PWM Fan Speed Controllers With Fan Fault Detection Features: • Temperature Proportional Fan Speed for Reduced Acoustic Noise and Longer Fan Life • FanSense™ Protects against Fan Failure and Eliminates the Need for 3-wire Fans • Overtemperature Detection (TC655) • Efficient PWM Fan Drive • Provides RPM Data • 2-Wire SMBus™-Compatible Interface • Supports Any Fan Voltage • Software Controlled Shutdown Mode for "Green" Systems • Supports Low-Cost NTC/PTC Thermistors • Space Saving 10-Pin MSOP Package • Temperature Range: -40°C to +85ºC Applications: • Personal Computers and Servers • LCD Projectors • Datacom and Telecom Equipment • Fan Trays • File Servers • Workstations • General Purpose Fan Speed Control Package Type 10-Pin MSOP VIN 1 CF 2 SCLK 3 SDA 4 GND 5 TC65
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