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EV/BMS Application

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Objective

With the rapid electrification of vehicles, a global Tier-1 supplier partnered with AVIN Systems to develop and validate Battery Management System (BMS) ECUs. The goal was to improve SoC/SoH estimation accuracy, optimize performance, and ensure safety compliance.

Solution

Requirement Analysis & Configuration

Defined BMS architecture for accurate SoC/SoH estimation. Customized configurations for EV platforms.

Network Management and Development

Built CAN-based communication modules for real-time battery data exchange.

Memory and Bootloader Integration

Integrated flash memory and bootloaders for secure firmware updates.

Security Enhancement

Applied ISO 14229 diagnostics and encrypted data logging.

Testing and Validation

Used HIL testing and automated validation to ensure reliability and safety.

Impacts

  1. Improved BMS reliability and SoC estimation accuracy by 20%.
  2. Reduced validation effort through automated testing.
  3. Achieved compliance with ISO 26262 and ASPICE standards.

Tech Stack

  1. AUTOSAR R4.x
  2. C
  3. Python
  4. CAN
  5. ISO 14229
  6. S32K
  7. TriCore
  8. DOORS
  9. Peak CAN
  10. HIL Testing

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