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EV/BMS Application

AVIN Systems provides comprehensive BMS services for 12V and 48V battery systems, covering protection, thermal control, State of Charge (SOC) / State of Health (SOH) algorithms. The development process will be ASPICE and ISO 26262 safety standard.

Service Highlights

AVIN Systems provides comprehensive BMS development services from concept to SOP, tailored for both 12V and 48V systems.
Application Development, Integration, and Testing for 12V & 48V BMS
End-to-end development, integration, and validation of robust 12V and 48V BMS software ensuring safety, accuracy, and reliable performance across vehicle environments.
Protection and Thermal Control mechanisms
Automotive-grade protection and thermal management strategies designed to safeguard battery systems, optimize performance, and extend battery life.
Support from initial sample development to SOP
Comprehensive lifecycle support from early prototyping through production readiness, ensuring smooth validation, compliance, and SOP success.
Battery Algorithms & Energy Management
State of Charge (SOC) estimation using model-based and adaptive technique and State of Health (SOH) estimation and aging analysis
Diagnostics, Fault Handling & Monitoring
Comprehensive fault detection and classification mechanisms and Diagnostic Trouble Code (DTC) management and reporting
Manufacturing, Calibration & Commissioning Support
Manufacturing mode implementation and plant-level diagnostics and End-of-line (EOL) test support and test strategy definition  

Service offerings

Application Development, Integration & Testing (12V & 48V BMS)

We engineer high-quality BMS applications that ensure safe, reliable, and optimised battery performance.

  • Development of functional BMS software, including monitoring, diagnostics, cell balancing, communication, and safety logic.
  • Integration with MCAL drivers, hardware interfaces, communication stacks (CAN, LIN), and system-level components.
  • Testing and validation across HIL, SIL, and real vehicle environments.
  • Algorithm refinement for voltage, temperature, and current accuracy under dynamic operating conditions.
Protection & Thermal Control Mechanisms

Our BMS implementations include automotive-grade safety and thermal strategies to protect battery health and prolong battery life.

  • Overvoltage, under voltage, overcurrent, and short circuit protection logic
  • Cell/pack level thermal management including thermal derating, cooling/heating control, and real-time thermal monitoring
  • Fault handling, limp home strategies, and safe state transitions
  • Compliance with safety standards and OEM-specific protection requirements
Support from Initial Sample Development to SOP

We deliver complete lifecycle support through all automotive development phases.

  • Prototype and early sample development for hardware bring up and concept validation
  • Design refinement, production software development, and feature enhancements
  • Support during DV/PV testing, compliance audits, quality gates, and certification
  • Full readiness for SOP, including documentation, traceability, tooling, and release management

AVIN Systems uses industry-standard tools and platforms to deliver robust and safety-compliant BMS solutions.

Programming & Standards:
  • Embedded C
  • MISRA
  • CERT-C
Microcontroller Platforms:
  • NXP S32Kxx
  • Renesas RH850
  • Infineon TC3xx
  • Microchip SAM
Model-Based Development & Design Tools:
  • Simulink
  • Enterprise Architect
  • IBM Engineering Rhapsody
Quality & Security Standards:
  • ASPICE
  • ISO26262 (up to ASIL D)
  • ISO21434 (Cybersecurity)
Major Features:

The following major features of BMS can be implemented based on the customer's refined requirements.

  • Monitoring & Measurement: Voltage, Current, Power, Energy, Temperature
  • Charge & Discharge Control
  • Cell Characterization & Aging Analysis
  • SOC (State of Charge) & SOH (State of Health) Estimation Algorithms
  • Cell Balancing & Monitoring
  • Battery Protection Systems
Development Capabilities:
  • Agile and Model-Based Development (MBD)
  • MIL / SIL / HIL Testing
  • Development of HIL Systems
  • Automated test system development

Download Service Flyer

Explore features and specifications in our service flyer.

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Our Experience

Our team brings deep technical expertise and a commitment to quality in every project.

Deep Expertise in 12V & 48V Battery Management Systems
Deep Expertise in 12V & 48V Battery Management Systems
Strong Competency in Protection & Thermal Control Algorithms
Strong Competency in Protection & Thermal Control Algorithms
AUTOSAR & Non-AUTOSAR Platform Integration Proficiency
AUTOSAR & Non-AUTOSAR Platform Integration Proficiency
Hands-On Experience from Prototype to SOP Delivery
Hands-On Experience from Prototype to SOP Delivery
Advanced BMS Application Development & Validation Skills
Advanced BMS Application Development & Validation Skills
Robust Testing Expertise Across SIL, HIL & Vehicle-Level Validation
Robust Testing Expertise Across SIL, HIL & Vehicle-Level Validation
Experience with Safety-Critical BMS Logic & Compliance Processes
Experience with Safety-Critical BMS Logic & Compliance Processes

Tool Chain

AVIN Systems uses industry-standard tools and platforms to deliver robust and safety-compliant BMS services.

EV/BMS Application
EV/BMS Application
EV/BMS Application
EV/BMS Application
EV/BMS Application

Case Studies

Frequently Asked questions

A Battery Management System (BMS) monitors, protects, and optimizes the performance of EV battery packs by managing voltage, temperature, current, SOC, SOH, cell balancing, and safety functions to ensure reliable and efficient operation.

AVIN Systems provides services for end‑to‑end BMS application development—including monitoring, diagnostics, protection logic, thermal management, communication integration, and complete testing on MIL/SIL/HIL platforms for 12V and 48V battery systems.

Yes. All BMS development follows ASPICE, ISO 26262 (up to ASIL‑D), and ISO 21434 cybersecurity standards to ensure functional safety, reliability, and secure operation.

Absolutely. We provide services to design and refine algorithms for State of Charge (SOC), State of Health (SOH), cell aging, characterization, and real‑time performance prediction under dynamic operating conditions.

We provide services for 12V and 48V battery systems, including lithium‑ion, LFP, NMC, AGM, and other emerging chemistries used in EVs, hybrids, and auxiliary automotive systems.

AVIN Systems supports leading automotive MCUs such as NXP S32K, Renesas RH850, Infineon TC3xx, and Microchip SAM etc.

Yes. We provide services to implement overvoltage, undervoltage, over‑current, short‑circuit, and thermal protection mechanisms along with cooling, heating, derating, and real‑time temperature monitoring strategies.

We provide services to validate through MIL, SIL, HIL, and vehicle‑level testing, including automated test scripts, scenario testing, failure mode testing, and environmental stress validation to ensure robust performance.

Yes. We provide services to tailor the BMS architecture, communication strategy, protection limits, algorithms, and diagnostics based on OEM specifications, safety goals, and hardware constraints.

Yes. We provide services to support the complete lifecycle—from early sample bring‑up and prototype testing to production software development, DV/PV testing, documentation, audits, compliance, and SOP readiness.

OEMs, Tier‑1 suppliers, electric vehicle manufacturers and battery manufacturers seeking reliable, safe, and scalable BMS software solutions for 12V/48V battery applications.

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