Infineon’s new MOTIX SoC family for motor control enables compact designs
Infineon is expanding its MOTIX 32-bit motor control SoC family with new solutions for both brushed (BDC) and brushless (BLDC) motor applications. The new products are tailored for small to medium sized automotive motors, ranging from functions such as battery cooling in electric vehicles to comfort features such as seat adjustment. The number of such motors continues to grow in modern, especially electric, vehicles and they are used in an increasing number of safety-critical applications. Therefore, car manufacturers require reliable, compact and cost-effective solutions that integrate multiple functions. The new SoCs combine advanced integration with functional safety and cybersecurity-relevant features.
The three-phase TLE995x (BLDC) is ideal for pumps and fans in thermal management systems, while the two-phase TLE994x (BDC) targets comfort functions such as electric seats and power windows. Both devices integrate advanced diagnostic and protection functions that support reliable motor operation.
By combining a gate driver, microcontroller, communication interface, and power supply in a single chip, Infineon’s SoCs offer functionality with minimal footprint. The new LIN-based devices feature an Arm Cortex-M23 core running up to 40 MHz, with integrated flash and RAM. Field-Oriented Control (FOC) capability ensures efficient and precise motor operation. Compared to the established TLE986x/7x family, the TLE994x/5x offers enhanced peripherals, flexible PWM generation via the CCU7, and automatic LIN message handling to reduce CPU load. All devices comply with ISO 26262 (ASIL B) for functional safety. Additionally, the integrated Arm TrustZone technology provides a foundation for improved system security.
With the TLE994x/5x series, Infineon introduces a new generation of the MOTIX MCU family based on the scalable TLE99xx platform. This unified approach enables hardware and software synergies across future products, simplifying design and improving development efficiency. To accelerate evaluation and design-in, Infineon also provides a comprehensive development ecosystem, including evaluation boards, configuration and simulation tools, and dedicated software packages. A 150 W water pump reference design and application optimised FOC motor control software further support rapid prototyping, robust performance, and faster time-to-market.
