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TC643 Datasheet - Microchip

TC643-Microchip.pdf

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Datasheet Details

Part number:

TC643

Manufacturer:

Microchip ↗

File Size:

60.51 KB

Description:

Integrated fan / motor driver.

TC643, INTEGRATED FAN / MOTOR DRIVER

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

External components are kept to a minimum by integrating the power transistor on chip.

Any logic-level signal can be used to drive the on-chip Power Driver.

The output is current limited and a logic-level indica

TC643 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 L

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