BLDC motor driver with wide voltage support and compact form factor Key benefits Wide input voltage range 626V suitable for common small threephase brushless motors power output relative to its small size for compact applications Simple control with a singlebutton potentiometer for easy operation 100level acceleration and deceleration with switchable ramp performance Belt power memory function provides repeatable startup and operation 04.5V analog input for stepless speed regulation via potentiometer governor Hallfree control board enables sensorless threephase brushless motor control Specifically designed for industrial control tools and common pump and fan applications What this product is A threephase brushless motor driver built around a Hallfree control board Compact and powerful controller that works with BLDC motors without Hall sensors Includes a singlebutton control interface and an integrated potentiometer for throttlestyle control Key specifications and capabilities Voltage range: 626V Control interface: singlebutton potentiometer; 04.5V analog signal for stepless speed regulation Acceleration/deceleration: 100level, switchable Memory function: belt power memory (for consistent startup or operation) Motor compatibility: threephase brushless motors (Hallfree sensorless capable) Target applications: suitable for air pumps, water pumps, oil pumps, fans, and other industrial control tools that use threephase brushless motors Size and design: compact, power performance for its small volume Compatibility and usage notes Works with threephase brushless motors designed for sensorless (Hallfree) operation Ideal for equipment that requires straightforward control, quick ramping, and reliable repeatable performance The 04.5V analog input enables an easy throttlestyle control when paired with a compatible potentiometer governor Use scenarios Air pump or cooling fan in industrial equipment: use the 100level ramp and analog control for smooth startup and precise speed regulation Water or oil pump systems in compact machinery: leverage the belt power memory for repeatable operation and the wide voltage range for flexible power sourcing DIY or factory automation projects: sensorless BLDC drive for small automation tools and test rigs that require simple singlebutton operation and reliable motor control Functional summary This driver provides reliable, compact, sensorless threephase BLDC control with a straightforward singlebutton interface and analog speed control It is designed to support a range of small pumps and fans and other industrial tools that utilize threephase brushless motors, offering practical speed control, ramping, and memory features without added complexity