Stellar E automotive MCUs boost electrification applications

Arm-based ASIL-D MCUs with full ecosystem

Boost your electrification designs with ASIL-D MCU featuring high-resolution PWM and advanced analog

Boost your electrification designs with ASIL-D MCU featuring high-resolution PWM and advanced analog

Designed to meet the enhanced digital control and high-performance analog requirements for the latest wide bandgap power technologies (SiC and GaN), Stellar SR5 E1 actuation MCUs are ideal for power conversion applications including on-board chargers and DC/DC converters as well as advanced motor control (traction inverter) applications.
The first microcontroller in the series, the SR5E1E7 is available in eLQFP176 package.

Unique scalable performance

Fast acquisition, actuation & protection

Entire system control in ONE MCU

Safe and secure

SR5E1E7 Stellar electrification MCUs

SR5E1E7: SR5 E1 line of Stellar electrification MCUs

SR5E1E7: SR5 E1 line of Stellar electrification MCUs

  • AEC-Q100 qualified
  • 2x split-lock Arm® Cortex®‑M7 cores
  • 2-Mbyte on-chip flash memory
  • High resolution timers up to 102ps resolution
  • 12-bit SAR ADC with 2.5 MSPS sampling rate

Designed for a wide range of applications

On-board chargers (OBC)

DC-DC converters

DC-DC converters

Traction inverters

Traction inverters

Small electric vehicles

Small electric vehicles

Automotive battery management system (BMS)

Automotive battery management system (BMS)

48V to 12V bidirectional DC/DC converter

48V to 12V bidirectional DC/DC converter

Stellar E ecosystem overview

SR5E1-EVBE7000P CPN

Standalone evaluation board for the Stellar E1 MCUs in a 176-pin QFP package

Standalone evaluation board for the Stellar E1 MCUs in a 176-pin QFP package

Ready-to-use, socket-based solution lets developers quickly start prototyping automotive applications including OBC, DCDC, motor control and many more.

Easily access high-resolution timers, DAC, SAR-ADC and SD-ADC connectors to evaluate the SR5 E1's control loop performance as well as FD-CAN, LIN, UART, I²C and SPI standard communication interfaces in addition to user LED and control buttons.

SR5E1-EVBE7000P CPN

Integrated Development Environment for embedded SW development on Stellar E1 MCUs

Integrated Development Environment for embedded SW development on Stellar E1 MCUs

ST’s StellarStudio provides a complete framework to design, build, and deploy embedded applications. With its user-friendly graphical user interface (GUI), engineers can quickly develop embedded software using predefined software components. An application wizard module automatically resolves dependencies with error-free syntax.

StellarStudio is available for free download and includes real-life application example code.

SR5E1-EVBE7000P CPN

Cost-effective USB-to-JTAG debugger and programmer for quickly prototyping automotive applications

Cost-effective USB-to-JTAG debugger and programmer for quickly prototyping automotive applications

Supporting all SPC5 and Stellar automotive MCUs, this compact in-circuit debugger/programmer reduces development cycles thanks to easy-to-use hardware and software fully integrated into StellarStudio and SPC5-STUDIO IDEs. StellarLINK provides an easy connection to our automotive MCUs and evaluation boards via the JTAG interface and comes with a virtual COM port interface for communicating with the MCU through a UART.StellarStudio is available for free download and includes real-life application example code.

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SR5 E1 line - Resolver sensor in electric motor control demo

This application note helps developers calculate electric motor speed and angle values for electric vehicles where sensing and/or controlling speed and rotor position are a fundamental requirement. It describes in detail how to configure Stellar E1 MCU peripherals for speed and rotor position calculation, using a resolver sensor, implemented in the SR5 E1 motor control tool kit. 

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Artificial Intelligence (AI) plug-in for StellarStudio helps create innovative edge AI automotive solutions

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