Application circuit for high-voltage brushless DC motor fan drive

The board is designed to a doughnut shape according to the fan form. Brushless DC motor controller IC TC78B041FNG and high voltage motor driver IC TPD4204F are mounted on the board. This reference design provides circuit diagram, BOM, etc.

Block diagram of application circuit for high-voltage brushless DC motor fan drive.

Features

  • The board is designed to a doughnut shape according to the fan form.
  • Brushless DC motor controller IC TC78B041FNG and high Voltage 3-phase motor driver IC TPD4204F are mounted on the board.
  • Built-in regulator circuit, protection feature and detection function in IC help to simplify peripheral circuit design.

Description

  • Brushless motor controller IC TC78B041FNG is used for fan motor control.
  • High Voltage 3-phase motor driver IC TPD4204F is used for fan motor drive.
  • Hall elements (HU/HV/HW) are mounted on the bottom side of the board.

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Brushless motor driver IC 1
Intelligent power device 600V (High voltage PWM DC brushless motor driver) 1 600 V/2.5 A 3-phase Brushless DC Motor Driver IC built-in Power Device, SSOP30

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