TC643 PDF File ( Datasheet )

TC643 INTEGRATED FAN , MOTOR DRIVER FEATURES s Integrates Current Limited Power Driver and Diagnostic, Monitoring Circuits in a Single IC s Works with Standard DC Brushless Fans, Motors s Supports Efficient PWM Drive with Logic-Level Input s Supply Range ........................................ 2.7V to 5.5V s Motor Voltage Independent of TC643 Supply Voltage; Supports 3V-15V Fans! s Logic-Level Output Provides RPM Data s Optimized For Use as a Microcontroller Peripheral s Eliminates Discrete