Evaluation board for motor pre-driver IC and external FET drive board

This reference design provides circuit diagram, BOM and PCB data (Gerber data) of the evaluation board for 3 phase brushless DC motor pre-driver IC (TC78B009FTG/TC78B027FTG) and connectable external FET drive board.

Block diagram of evaluation board for motor pre-driver IC and external FET drive board.


  • The kind of MOSFET which can be mounted on the top side and the bottom side of the PCB is different, and it corresponds to two kinds of MOSFET packages (Top: TSON Advance, Bottom: UDFN6B). 
    (TSON Advance: TPN11003NL/TPN8R903NL etc., UDFN6B: SSM6K513NU/SSM6K504NU etc.)
  • Only by mounting 6 MOSFETs and right angle connector on the PCB, it is possible to connect to the evaluation board of TC78B009FTG/TC78B027FTG.


  • Evaluation board of pre-driver IC (TC78B009FTG/TC78B027FTG) for 3 phase brush-less DC motor and external FET drive board.
  • FET drive board consists of PCB, 6 MOSFETs and right angle connector (board to board connector).
  • FET drive board is connected with the evaluation board of TC78B009FTG/TC78B027FTG by a right angle connector.

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.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Brushless motor driver IC
Brushless motor driver IC


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