TDK Micronas has introduced a new generation of embedded motor controllers, aimed at reducing system size and component costs in automotive and industrial electronics. The HVC 5222D integrates a 32-bit ARM Cortex-M3 core, motor driver, LIN transceiver, ADC, PWM, DAC, and other peripheral functions within a single chip.
The device, part of the company’s HVC 5x family and a successor to the HVC 4x series, supports currents of up to 2 A for DC motors and 1 A for BLDC and stepper motors. It is designed to operate across temperatures ranging from -40 °C to +125 °C and meets the AEC-Q100 Grade 1 standard, making it suitable for automotive-grade applications.
With 32 KB flash memory, 4 KB SRAM, and 2 KB EEPROM, the HVC 5222D allows developers to implement more complex motor control algorithms.
Integrated half-bridges enable direct drive of DC, BLDC, and stepper motors, controlled via Hall sensors or back EMF signal evaluation. The SoC also features 12-bit ADC resolution, 16-bit timers, PWM generators, SPI interface, and seven general-purpose input/output pins.
Protection mechanisms including current limiting, overtemperature protection, and diagnostic functions are built into the device, which operates in a voltage range from 6 V to 18 V DC, with transient tolerance up to 40 V. The controller provides a 3.3 V auxiliary supply for peripherals and LIN-ISO compliance for integration into vehicle networks.
Rutronik, the distributor, highlighted the HVC 5222D’s compact QFN-24 (5 × 5 mm) package, which reduces thermal constraints and external component requirements. Applications include body and convenience systems, HVAC controls, and industrial motor electronics.
