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New Products

  Date: 17/05/2015

Embedded motor controller for driving multiple types of electric motors

Micronas has developed a new family of motor controller chips HVC 4223F designed for driving different types of motors used in cars. HVC 4223F is designed to be flexible enough to drive multiple type of motors such as BLDC, BDC and stepper motors directly. The immediately available all in-one device can drive motors used in applications such as HVAC flaps, active grille shutters, pumps, air cooling fans, mechanical actuators in bending lights, and more.

"The small footprint of the only 6x6 mm leadless QFN40 package with a minimum of additional external components required as well as the low software invest reduces the cost-of-ownership for Micronas' customers significantly", says Dirk Behrens, Vice President Automotive at Micronas. "Together with its industry standard ARM Cortex-M3 core and state-of-the-art development toolchain, the new motor controller device guarantees the efficient implementation of the customers' automotive qualified production software enabling a fast time to market."

High-Voltage (HV) CMOS technology based HVC 4223F integrates comparators with virtual star point reference, diagnosis and protection functions, programmable gain amplifier, A/D converter, embedded voltage regulators with up to 40 V load dump, and also six identical half bridges to drive high currents. The HVC 4223F is designed to be directly connected to the motor windings without the need for external MOSFETs and furthermore can be directly supplied by the 12 V board net without the need for external voltage regulators. The internal LIN transceiver allows the direct connection to the LIN bus. On top, the ARM Cortex-M3 core facilitates the implementation of complex motor commutation schemes for an optimized size-torque ratio of the motor. This enables Micronas' customers the compact design of complex motor control applications, explains Micronas.

Micronas is displaying the HVC 4223F from May 19-21 at the Sensor+Test exhibition in Nuremberg, Germany, at booth 302 in hall 12.

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