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ON Semiconductor Introduces ecoSpin Series, Redefines Brushless DC Motor Control

ecoSpin™ BLDC motor control solution with embedded gate drivers and microcontroller engine for reliable operation up to 600 V with scalable power

ON Semiconductor (onsemi, NASDAQ: ON), a leader in smart power and smart sensing technologies, has launched a new ecoSpin™ series of brushless DC (hereinafter referred to as “BLDC”) motor controllers. ON Semiconductor simplifies the development of high-voltage motor control systems for applications such as heating, ventilation and air conditioning (HVAC), refrigeration and robotics by combining control and drive functions in a complete system-in-package (SiP).


The first device in the ecoSpin family is the ECS640A, a three-phase BLDC motor controller that operates reliably at high voltages up to 600 V. The small size of the ECS640A includes a reliable gate driver, an Arm® Cortex-M0+ microcontroller, three sense amplifiers, three boost diodes, and supports sensored or sensorless motor control architectures.


Michel De Mey, vice president of ON Semiconductor’s Industrial Solutions Division, said: “Using this highly integrated solution can shorten the time to market because it eliminates the design cycle on the application and simplifies solution reuse when expanding the power class of BLDC motors. This solution replaces Many larger, more complex devices, improved reliability, and about 20 percent smaller PCB routing area than discrete solutions, resulting in a smaller and more compact overall solution.”


This solution, integrated in a single IC package (10 x 13mm), optimizes power stage layout and reduces noise, thereby redefining the control performance of BLDC motors. The solution can be quickly reused on other platforms by simply replacing discrete power devices and updating software. A streamlined bill of materials (BOM) simplifies the challenges of sourcing many different discrete components.


For optimized performance, the ECS640A supports traditional motor control techniques, including trapezoidal control and vector control. In addition, the internal Cortex M0 platform can also support more advanced direct flux and torque control algorithms. These technologies can improve the control of motor flux and torque in a wide speed range, and the power supply energy efficiency can be increased by 3% to 5%.

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