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Embedded motor controller features extended flash

Embedded motor controller features extended flash

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By eeNews Europe



It is designed to satisfy the latest needs of the automotive industry to provide diagnostics capability newly introduced in the field of smart actuators. With an extension of the flash memory to 64 KB and SRAM to 4 KB, the HVC 4420F addresses OEMs’ increased functional and diagnostic demands. Thanks to its larger memory and the built-in diagnostic feature set, the HVC 4420F offers the storage capacity and processing capability to execute unique diagnostics tied to smart actuators. The HVC 4420F combines an ARM standard microcontroller core with a wide range of additional functions in order to enable particularly compact and cost-efficient system designs for use in automotive applications and beyond. Powered by a 32-bit CPU core (ARM Cortex-M3) with 64 kB flash memory, the HVC 4420F contains, amongst others, timers/counters, interrupt controllers, multichannel ADC, SPI, and enhanced PWMs with diagnosis functions, important for utilization in safety relevant applications.


An advanced LIN UART with a LIN 2.x transceiver as well as voltage regulators to connect the device directly to the automotive board net (5.4 to 18V) completes the all-in-one approach. Several power management modes help reducing the current consumption. Various integrated digital and analog circuit units, such as comparators with virtual star point reference, current scaling and an embedded programmable gain amplifier allow users to minimize the number of external components. The HVC 4420F supports complex motor control algorithms such as Space Vector Modulation (SVM) for permanent magnet synchronous motors (PMSM), six-step commutation with sensor feedback or sensorless control, as well as various stepper configurations. The HVC 4420F optionally comes with production-ready and highly flexible, parameterizable firmware with sophisticated communication, monitoring and power management functions (ASIL A ready) as well as a configuration tool.

TDK-Micronas- www.micronas.com

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