BLDC Water Pump


12V power supply BLDC water pump for automotive. No carbon electronic commutation. 6-step square wave control with hardware protection. Wide voltage operation with characteristics low noise, smaller size, high stability and reliable performance and long life.


  • 8-bit MCU with low cost
  • The half-bridge driver L99ASC03 with BEMF detection
    and ardware protection
  •  The MOSFET with small size and low Rds-on

Target Applications

  • For automotive application, such as small BLDC fan, water pump and oil pump.

Block Diagram/Evaluation Board/Photo


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