3-phase bridge drive circuit for automotive and industrial BLDC motors

This reference design provides examples of application circuit and simulation for TPD7212F / FN which features overcurrent protection, reverse power connection protection and others.

3-phase BLDC Motor Drive Applications (U-phase) of 3-phase bridge drive circuit for automotive and industrial BLDC motors.

特性

  • 3-phase BLDC motors drive circuit using TPD7212F/FN and power MOSFET TPW1R104PB
  • Various protection circuits using TPD7104AF for automotive and power MOSFET TPW1R104PB
  • Input voltage : 12V
  • Over current detection function
  • Power supply reverse connection protection function
  • Output cutoff function
  • Output-voltage monitoring function
  • Charge pump circuit voltage monitoring function

說明

  • Introduction of application to 3-phase brushless motor drive circuit combining TPD7212F/FN and TPD7104AF and power MOSFET
  • Explanation of overcurrent detection function and power supply connection protection function using TPD7104AF
  • Explanation of protection function using TPD7212F/FN
  • Operation confirmation by spice simulation
Simulation waveform for overcurrent protection of 3-phase bridge drive circuit for automotive and industrial BLDC motors.
Simulation Waveform for Overcurrent Protection

設計文件

設計・文件 包含以下文件。

設計數據

設計數據包含以下內容。

使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
Intelligent power device (High side power-MOSFET driver with built-in charge pump) 4 Automotive Gate driver for High-side switch, PS-8
Intelligent power device (3phase full bridge power-MOSFET driver with built-in charge pump) 1 Automotive Gate driver for 3 phase full-bridge, WQFN32
Intelligent power device (3phase full bridge power-MOSFET driver with built-in charge pump) 1 Automotive Gate driver for 3 phase full-bridge, SSOP30
Power MOSFET (N-ch single 30V<VDSS≤60V) 11 N-ch MOSFET, 40 V, 120 A, 0.00114 Ω@10V, DSOP Advance(WF)M

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