TC649 Overview
Key Specifications
Package: SOIC
Mount Type: Surface Mount
Pins: 8
Max Voltage (typical range): 5.5 V
Description
The TC649 is a switch mode, fan speed controller for use with brushless DC fans. Temperature proportional speed control is accomplished using pulse width modulation (PWM).
Key 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 TC649 Supply Voltage
- Supports any Fan Voltage
- FanSense™ Fault Detection Circuits Protect Against Fan Failure and Aid System Testing
- Automatic Shutdown Mode for “Green” Systems
- Supports Low Cost NTC/PTC Thermistors
