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

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 the board. This reference design provides circuit diagram, BOM, etc.

Block diagram of application circuit of brushless DC motor pre-driver TC78B027FTG for fan drive.

特性

  • 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)

說明

  • 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.

設計文件

供設計人員使用的材料，例如電路操作概述和設計注意事項的解釋。請點擊每個選項以查看內容。

使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
Small Low ON resistance MOSFETs 6 N-ch MOSFET, 30 V, 15 A, 0.0089 Ω@10V, SOT-1220(UDFN6B)
Brushless motor driver IC 1 3-phase brushless motor pre-driver
TX03 1 80MHz Arm Cortex-M3 Based Microcontroller, M370 Group, 5.5V(Max), 128KB ROM/6KB RAM, LQFP48

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