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TC655 - PWM Fan Speed Controller

Download the TC655 datasheet PDF (TC654 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for 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

Note: The manufacturer provides a single datasheet file (TC654_MicrochipTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number TC655
Manufacturer Microchip
File Size 571.08 KB
Description PWM Fan Speed Controller
Datasheet download datasheet TC655 Datasheet

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Full PDF Text Transcription

Click to expand full text
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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