Description
TC654/TC655 Dual SMBus™ PWM Fan Speed Controllers With Fan Fault Detection .
The TC654 and TC655 are PWM mode fan speed controllers with FanSense technology for use with brushless DC fans.
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-
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
TC654 TC655
10 VDD 9 VOUT