This solution is a low-voltage BLDC drive solution developed using Renesas' dedicated MCU in response to the functions and requirements of the humidifier.

Terminology analysis: BLDC - Brushless DC motor, as the name suggests, is a motor that uses DC drive but does not have mechanical commutation brushes.

2. Advantages

[**]) Single-sided PCB design, effectively reducing costs;

B) High energy efficiency, up to 95%;

C) Main control MCU: R7F0C807, a brushless DC motor dedicated MCU from Renesas, ensuring product stability and reliability;

D) Excellent software design, with advanced soft-start technology and intelligent accidental self-protection function.

3. Scope of application

A specific solution developed for the functions and requirements of humidifiers. It can be applied to humidifiers and products with similar functions.

4. Characteristics of Penglida BLDC drive solution

1) DC 24V power supply, power supply range: 13.5-28V.

2) The use of soft start technology is conducive to smooth startup and reduces fluctuations in the power supply system.

3) It has automatic protection functions such as overload/undervoltage/overcurrent/stall/phase loss.

4) Speed regulation mode: analog voltage or PWM optional.

Five: List of main parameters

6: Sample diagram of motor with driver board installed