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The Core of Efficient Thermal Management: EC Fan Electronic Control Applications
Common application areas of EC fans include:
•Industrial Applications: Industrial machinery, refrigerated logistics.
•Medical equipments: Refrigeration and cold storage equipment, laboratory devices
•HVAC systems: Air conditioning, ventilation, and heating equipment
•Others: Energy storage systems, charging stations, electric buses, server cabinet cooling, etc.
In response to these wide-ranging demands, Megawin Technology has introduced the MDF151A motor control IC, specifically designed for EC fans, to help customers rapidly develop competitive end products.
Key Features of the MDF151A IC:
The MDF151A provides a low-cost, compact BLDC motor control MCU solution. It integrates a high-speed Arm® Cortex®-M0 32-bit MCU with a maximum operating frequency of 60 MHz. The chip includes 32 KB high-speed Flash memory and 4 KB SRAM, along with up to 26 GPIO pins (20 configurable as outputs and 6 dedicated for internal pre-driver control), enabling flexible system configurations and meeting diverse application requirements.
In addition, the MDF151A integrates a wide range of peripherals specifically designed for brushless motor control, including:
• 1 × 12-bit / 1 MSPS ADC, supporting software-based FOC control
• 2 × analog comparators (COMP)
• 2 × operational amplifiers (OPAMP)
• 1 × 32-bit general-purpose timer
• 3 × 16-bit basic timers
• 1 × 16-bit advanced timer
• 1 × USART interface (supporting UART / SPI communication)
Application Function Block:

MDF Series Spec:

*Also, you can browse the BLDC product page on Megawin Technology's official website:
MDF Series: https://www.megawin.com.tw/products-sub/BLDC-ARM-Cortex-M0-Line
Feel free to contact one of our dealers, or request one of our sales representatives (sales@megawin.com.tw)。
Megawin Technology Co., Ltd.
