Application circuit of brushless DC motor pre-driver IC TC78B027FTG for fan drive

Overview

• 6 MOSFETs are used for fan motor drive.
• Brushless DC motor pre-driver IC TC78B027FTG is used for fan motor control.
• Microcontroller TMPM373FWDUG is used for PWM generation and motor rotation control.
• Hall device is mounted on the bottom side of the board.

Features

• The board is designed to a doughnut shape according to the fan form.
• MOSFETs for the motor drive, brushless DC motor pre-driver IC TC78B027FTG, and the microcontroller for control are mounted on a board.
• Compact board size (Diameter 40mm, 4 layer board)

Blockdiagram

Design Files

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Update:2025-06-24 01:49:45

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