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Infineon Technologies MOTIX™ IMD70xA BLDC Integrated Controller and Smart 3 Phase Gate Drivers integrate a fully programmable XMC1404 ARM® Cortex®-M0 microcontroller and a 6EDL7141 60V three-phase smart gate driver with a power supply. The XMC1404 and 6EDL7141 allow an ultra-compact design for driving applications up to 60V. This design includes a complete power supply required in the system (synchronous buck converter and LDO), three current sense amplifiers, protections, and a remarkable set of configurations to adjust to specific needs.
The XMC1404 microcontroller delivers dedicated features to improve motor drive control. These features include the MATH Co-Processor, a hardware unit clocked at 96MHz, which enhances the calculation of divisions and trigonometric functions like ‘Arctan,’ commonly used in Field Oriented Control of PMSM. Furthermore, the XMC1404 inherits most of the high-end peripherals found in the XMC4000 family (ARM® Cortex®-M4), like PWM timers-CCU8 and CCU4-, Position interface (POSIF) or serial communication modules including CAN, ensuring best in class control.
The 6EDL7141 smart gate driver offers on one side a flexible gate driving scheme and on the other side the necessary robustness and protection features to avoid failures in demanding drives systems. The gate driver outputs are placed strategically to allow layout practices in power circuits.
The Infineon Technologies MOTIX IMD70xA BLDC Integrated Controller withstands voltage up to 90V, increasing robustness in drives applications, inverter, motor, and supply-related pins. The motor-related pins withstand negative voltage transients down to -8V without compromising functionality, enabling faster switching of the inverter MOSFETs, therefore reducing switching losses.
