TC643 - INTEGRATED FAN / MOTOR DRIVER

Microchip

Datasheet Details

The TC643 is a switchmode brushless DC fan/motor speed driver with diagnostic circuits.

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 Components and Analog Circuit Design Effort s Internal Thermal Shutdown For Fail-safe Oper.

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Microchip TC643-like datasheet