Datasheet Summary
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 ponents and Analog
Circuit Design Effort s Internal Thermal Shutdown For Fail-safe Operation s Available in 8-Pin PDIP, SOIC, and MSOP
Packaging
APPLICATIONS s General Purpose Fan or Motor Speed...