Electrification is key to transforming mobility and energy systems, while having a positive impact on climate change. EVs require changes in car architecture to reduce energy consumption while maintaining performance, communication, and comfort. Competitive EVs must offer longer driving ranges, faster charging, and take vehicle weight into consideration.
Stellar E microcontrollers are designed for new vehicle architectures to meet the specific needs of electrified vehicles. They ensure efficient power conversion and e-drivetrain applications, utilizing faster control loops to optimize silicon carbide (SiC) and gallium nitride (GaN) power technology. Electric vehicles require robust hardware for effective power conversion, high performance, and enhanced safety and security.
Regular over-the-air software updates are essential for feature enhancement, unlocking services, and providing crucial safety updates throughout the vehicle's lifecycle. Smart overnight upgrades improve user experience with range, performance, and safety enhancements.
Built around 32-bit Arm Cortex®-M7 automotive MCU cores, Stellar E MCUs ensure faster and improved charging cycles. ST also provides a rich development ecosystem to simplify and shorten development time.
Electrification is key to transforming mobility and energy systems, while having a positive impact on climate change. EVs require changes in car architecture to reduce energy consumption while maintaining performance, communication, and comfort. Competitive EVs must offer longer driving ranges, faster charging, and take vehicle weight into consideration.
Stellar E microcontrollers are designed for new vehicle architectures to meet the specific needs of electrified vehicles. They ensure efficient power conversion and e-drivetrain applications, utilizing faster control loops to optimize silicon carbide (SiC) and gallium nitride (GaN) power technology. Electric vehicles require robust hardware for effective power conversion, high performance, and enhanced safety and security.
Regular over-the-air software updates are essential for feature enhancement, unlocking services, and providing crucial safety updates throughout the vehicle's lifecycle. Smart overnight upgrades improve user experience with range, performance, and safety enhancements.
Built around 32-bit Arm Cortex®-M7 automotive MCU cores, Stellar E MCUs ensure faster and improved charging cycles. ST also provides a rich development ecosystem to simplify and shorten development time.
Applications

Integration for electrification

Combo OBC+DCDC

Motor control and traction Inverter converter

Optimized battery management
Discover our Stellar E product portfolio
Our Stellar E automotive microcontrollers, SR5E1E3, SR5E1E5 and SR5E1E7, are designed to guarantee the highest power efficiency of on-board charging (OBC) and DC/DC converter applications .
Benefits
Stellar E electrification MCUs are the ideal control companion chip for ST’s SiC and GaN products thanks to:
- Built on Cortex®-M7 cores with split-lock technology
- State-of-the-art safety features for efficient ISO 26262 ASIL-D implementation
- High-performance analog components, including fast ADCs and highly precise PWM
- Vertical ecosystem with OBC reference solution
- Enhanced EVITA Full security capability with cryptographic engines in lockstep to support secure ASIL D functions, providing high-speed security cryptographic services and safe network authentication to further protect manufacturer firmware as well as end-users’ data.
- FD-SOI technology inherently offers a quasi-immunity to radiation and provides superior protection against system unavailability while ensuring compliance with the most stringent safety standards.