Motor control ICs achieve high energy efficiency

5th July 2018
Mick Elliott

The IMC100 series which is a new family of iMOTION motor control ICs from Infineon Technologies is now being shipped by Mouser Electronics. These ready-to-use solutions for high-efficiency, variable-speed drives integrate both the required hardware and control algorithm for a permanent magnet synchronous motor (PMSM).

The motor control ICs are based on Infineon’s Motion Control Engine (MCE), which implements field-oriented control (FOC) and eliminates software coding from the development of motor control algorithms. The FOC uses single- or leg-shunt current feedback and space-vector PWM with sinusoidal signals to achieve high energy efficiency.

Protection features including over- and under-voltage, over-current, rotor lock  safeguard the motor and power stage. The IMC100 devices provide highly flexible communication interfaces, including UART, SPI, I2C, analog input, frequency input, and CAN.

Support comes in the shape of the iMOTION Modular Application Design Kit for motor control (iMOTION MADK), EVAL-M1-101T evaluation control board, and EVAL-M3-102T evaluation board.

The iMOTION MADK is a compact and flexible evaluation system that provides a scalable design platform for three-phase motor drives ranging from 20W to 300W.

The EVAL-M1-101T evaluation control board and EVAL-M3-102T evaluation board connect to the iMOTION MADK and are capable of providing three-phase modulation or type 3 of two-phase modulation.

Applications for the ICs include motor control applications in home appliances, air conditioning units, fans, and pumps.

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