High speed air blower

Programme overview


Main control chip: LCM32F037K6T8 (LQFP32) + half-bridge IPM (low cost)
Voltage range: AC 220 V
Speed range: 30 000 ~110 000 r/min
Power range: 150 W
Control mode: non-inductive FOC closed-loop starting operation + heating wire temperature control and protection
Advantages of the scheme: closed-loop fast start, high-speed stable operation, low noise, optimal efficiency control, low cost, rich version, EMC testing

Scheme block diagram

Click to learn about the chip

experimental result


Starting current waveform


Steady state operating current waveform

Development learning & mass production kit

- Application package -
  • Schematic diagram of mass production
  • Mass production PCB diagram
  • Debugging documentation
  • Mass production board purchase

Technical articles