EV Architecture Overview: Motor Controllers, BMS & Sensor Systems Explained (2026 Guide)
By DIYguru · 11/18/2025 · 17 min read
A Complete Breakdown of DIYguru’s EV Architecture Webinar with Ashutosh Dehury The electric vehicle (EV) industry in India and globally is entering a high-growth phase in 2025. However, despite massive demand, companies still face a severe shortage of engineers skilled in BMS, mo
<p><strong>A Complete Breakdown of DIYguru’s EV Architecture Webinar with Ashutosh Dehury</strong></p>
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<p>The electric vehicle (EV) industry in India and globally is entering a high-growth phase in 2025. However, despite massive demand, companies still face a severe shortage of engineers skilled in <strong>BMS, motor control, embedded systems, firmware, and EV diagnostics</strong>.</p>
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<p>To address this skill gap, <strong>DIYguru hosted a live webinar on <em>EV Architecture Overview</em></strong> featuring <strong>Ashutosh Dehury (Sr. Embedded Developer, EV Expert)</strong>. The session focused on EV electronics, microcontrollers, BMS architectures, sensor systems, and real-world troubleshooting techniques used in the industry.</p>
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<p>This article compiles <strong>key takeaways</strong>, <strong>technical concepts</strong>, and <strong>career insights</strong> from the session and video lecture.</p>
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<h2><strong>EV Market Overview: Why EV Skills Matter in 2025</strong></h2>
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<h3><strong>India’s EV penetration has reached 7% (2024)</strong></h3>
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<p>This is a massive jump, and the <strong>Government of India targets 30% by the end of this decade</strong>.</p>
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<h3><strong>Global competition is intensifying</strong></h3>
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<p>Companies like Tesla face strong competition from Chinese manufacturers, especially <strong>BYD</strong>, which began its battery journey in the late 1990s.</p>
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<h3><strong>Why governments push EV adoption:</strong></h3>
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<li style="list-style-type: none;">
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<li>High pollution from IC engines (Delhi as an example)</li>
</ul>
</li>
</ul>
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<li style="list-style-type: none;">
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<li>India spends billions in foreign exchange importing fuel</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>EVs reduce dependency on fossil fuels</li>
</ul>
</li>
</ul>
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<p>The market is growing rapidly — but <strong>skilled engineers are lacking</strong>, making EV talent extremely valuable right now.</p>
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<h2><strong>The Skill Gap: Why Engineers Struggle in EV Industry</strong></h2>
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<p>Ashutosh highlighted that India's engineering curriculum is still outdated:</p>
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<li>Students learn 8051 while industries use <strong>32-bit controllers</strong></li>
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</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>Very limited hands-on training in BMS, CAN, or EV sensors</li>
</ul>
</li>
</ul>
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<li style="list-style-type: none;">
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<li>OEMs report a shortage of trained manpower in emerging EV domains</li>
</ul>
</li>
</ul>
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<h4><strong>High-demand EV Domains (2025–2030):</strong></h4>
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<li style="list-style-type: none;">
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<li>Battery Management Systems (BMS)</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Motor control & motor algorithms (BLDC, PMSM)</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Embedded systems (ARM Cortex-M, TriCore, RISC-V)</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>Software Defined Vehicles</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>AUTOSAR</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>ADAS</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>EV Testing, Validation & Diagnostics</li>
</ul>
</li>
</ul>
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<p>This gap is exactly what the webinar aimed to address.</p>
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<h2><strong>EV Architecture Explained: Core Components You Must Understand</strong></h2>
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<p>An EV’s architecture consists of:</p>
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<h3>✔ <strong>Battery Pack & BMS</strong> – The brain of the vehicle’s energy system</h3>
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<h3>✔ <strong>Motor & Motor Controller</strong> – Converts electrical power → mechanical power</h3>
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<h3>✔ <strong>Embedded Electronics (70+ ECUs)</strong></h3>
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<h3>✔ <strong>Sensor Ecosystem</strong> – Temperature, current, Hall, IR, IMU</h3>
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<h3>✔ <strong>Communication Protocols</strong> – CAN, UART, I2C, SPI</h3>
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<p>Understanding how these systems communicate and integrate is crucial for any EV engineer.</p>
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<h2><strong>32-Bit Microcontrollers in EVs: Industry Standard</strong></h2>
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<p>Ashutosh emphasized that EVs rely heavily on <strong>32-bit microcontrollers</strong>, not the outdated systems many students still learn.</p>
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<h3><strong>Common MCU families used in EVs:</strong></h3>
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</ul>
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<li style="list-style-type: none;">
<ul>
<li>STMicroelectronics (STM32)</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>NXP</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>Texas Instruments</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Infineon TriCore</li>
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</li>
</ul>
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<h3><strong>Skills Needed:</strong></h3>
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<li style="list-style-type: none;">
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<li>C & C++</li>
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</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>RTOS basics</li>
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</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>Interrupts & timers</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>GPIO, ADC, PWM</li>
</ul>
</li>
</ul>
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<li style="list-style-type: none;">
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<li>Communication protocols</li>
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</li>
</ul>
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<h2><strong>Communication Protocols in EVs: Why CAN is the Most Important</strong></h2>
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<p>Among all EV communication protocols, <strong>CAN Bus is the backbone</strong>.</p>
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<h3><strong>Key concepts engineers must learn:</strong></h3>
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<li>CAN frame structure</li>
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</ul>
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<li style="list-style-type: none;">
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<li>Arbitration ID</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>Dominant & recessive bits</li>
</ul>
</li>
</ul>
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<li>CAN High & CAN Low</li>
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<li>Standard vs Extended CAN</li>
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<li style="list-style-type: none;">
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<li>CRC, DLC, SOF</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Physical wiring & termination</li>
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</li>
</ul>
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<p>You cannot work in BMS, motor control, diagnostics, or testing without mastering CAN.</p>
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<h2><strong>Motor Controller: The Most Common Point of EV Failure</strong></h2>
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<p>Ashutosh asked the audience which component fails the most:<br /><strong>The answer: Motor Controller.</strong></p>
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<h3><strong>Reasons for failure:</strong></h3>
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<li style="list-style-type: none;">
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<li>Overheating</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Overcurrent</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Phase imbalance</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Sensor mismatch</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Noise and EMI</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Low-quality components</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Software algorithm issues</li>
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</li>
</ul>
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<h3><strong>Tools required for diagnosing failures:</strong></h3>
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<ul>
<li style="list-style-type: none;">
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<li>Oscilloscope</li>
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</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Logic analyzer</li>
</ul>
</li>
</ul>
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<li style="list-style-type: none;">
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<li>Multimeter</li>
</ul>
</li>
</ul>
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<li style="list-style-type: none;">
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<li>CAN analyzer</li>
</ul>
</li>
</ul>
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<h2><strong>Battery Management System (BMS): The Heart of EV Safety</strong></h2>
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<p>This was one of the most detailed parts of the webinar.</p>
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<h3><strong>Key BMS parameters:</strong></h3>
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<li><strong>SOC (State of Charge)</strong><!-- wp:list --><br />
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</ul>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Voltage method</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>Coulomb counting</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
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<li>OCV</li>
</ul>
</li>
</ul>
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</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li><strong>SOH (State of Health)</strong></li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Cell balancing<!-- wp:list --><br />
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<li style="list-style-type: none;">
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<li style="list-style-type: none;">
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<li>Active</li>
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</li>
</ul>
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<li style="list-style-type: none;">
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<li>Passive</li>
</ul>
</li>
</ul>
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</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Thermal management</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Overcurrent/overvoltage protections</li>
</ul>
</li>
</ul>
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<p>BMS engineers with 3–5 years experience earn <strong>20+ LPA</strong>, due to the difficulty of the domain and shortage of talent.</p>
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<h3><strong>Types of BMS architectures:</strong></h3>
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<li>Centralized</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Distributed</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Modular</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --></p>
<p><!-- /wp:list --><!-- wp:paragraph --></p>
<p>Distributed BMS offers high redundancy and improved safety — used in modern EVs.</p>
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<h2><strong>Sensor Systems in EVs</strong></h2>
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<p>EVs use various sensors for safety, motor control, and energy management.</p>
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<h3><strong>Important EV Sensors:</strong></h3>
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<li style="list-style-type: none;">
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</li>
</ul>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Hall sensors (current + position sensing in BLDC)</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Temperature sensors</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Accelerometer & Gyroscope (MPU6050)</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>Ultrasonic sensors</li>
</ul>
</li>
</ul>
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<ul>
<li style="list-style-type: none;">
<ul>
<li>IR sensors</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --></p>
<p><!-- /wp:list --><!-- wp:heading {"level":3} --></p>
<h3><strong>Causes of sensor failures:</strong></h3>
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<ul>
<li style="list-style-type: none;">
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</li>
</ul>
<ul>
<li style="list-style-type: none;">
<ul>
<li>EMI noise</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Moisture</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Mechanical vibration</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Thermal stress</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Calibration drift</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --></p>
<p><!-- /wp:list --><!-- wp:paragraph --></p>
<p>Sensors are foundational to ADAS, BMS, motor control, and vehicle safety.</p>
<p><!-- /wp:paragraph --><!-- wp:heading {"level":1} --></p>
<h2><strong>Career Opportunities & Salaries in EV Domain (2025–2030)</strong></h2>
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<h3><strong>High-demand EV job roles:</strong></h3>
<p><!-- /wp:heading --><!-- wp:list --></p>
<ul>
<li style="list-style-type: none;">
<ul><!-- wp:list-item --></ul>
</li>
</ul>
<ul>
<li style="list-style-type: none;">
<ul>
<li>BMS Engineer</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Firmware/Embedded Engineer</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Motor Control Engineer</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>EV Testing & Validation Engineer</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Protocol Engineer (CAN, UDS, LIN)</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>ADAS Engineer</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>AUTOSAR Engineer</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --></p>
<p><!-- /wp:list --><!-- wp:heading {"level":3} --></p>
<h3><strong>Skills companies expect:</strong></h3>
<p><!-- /wp:heading --><!-- wp:list --></p>
<ul>
<li style="list-style-type: none;">
<ul><!-- wp:list-item --></ul>
</li>
</ul>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Hands-on debugging</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Microcontroller coding</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Protocol understanding</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Sensor calibration</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Use of oscilloscope, logic analyzer</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Motor control basics</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>BMS fundamentals</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --></p>
<p><!-- /wp:list --><!-- wp:paragraph --></p>
<p>The shortage of skilled EV talent means this is the <strong>best time to switch careers into EV</strong>.</p>
<p><!-- /wp:paragraph --><!-- wp:heading {"level":1} --></p>
<h2><strong>DIYguru’s EV Architecture Webinar Benefits (As Announced During Session)</strong></h2>
<p><!-- /wp:heading --><!-- wp:paragraph --></p>
<p>Participants received:</p>
<p><!-- /wp:paragraph --><!-- wp:list --></p>
<ul>
<li style="list-style-type: none;">
<ul><!-- wp:list-item --></ul>
</li>
</ul>
<ul>
<li style="list-style-type: none;">
<ul>
<li>✔ Free <em>EV Architecture Guide Book</em></li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>✔ E-certificate</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>✔ Access to DIYguru Entrance Test (DIET)</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>✔ Up to 40% scholarship on PG programs</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>✔ Community access + learning resources</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --></p>
<p><!-- /wp:list --><!-- wp:heading {"level":1} --></p>
<h2><strong>Conclusion: Why EV Architecture Skills Matter in 2025</strong></h2>
<p><!-- /wp:heading --><!-- wp:paragraph --></p>
<p>EVs are no longer a niche — they are the future of mobility. As India moves toward <strong>30% EV adoption</strong>, companies urgently need engineers who understand:</p>
<p><!-- /wp:paragraph --><!-- wp:list --></p>
<ul>
<li style="list-style-type: none;">
<ul><!-- wp:list-item --></ul>
</li>
</ul>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Microcontrollers</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>BMS</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>CAN communication</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Sensor systems</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Motor controllers</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --><!-- wp:list-item --></p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>Diagnostics & testing</li>
</ul>
</li>
</ul>
<p><!-- /wp:list-item --></p>
<p><!-- /wp:list --><!-- wp:paragraph --></p>
<p>This webinar provided exactly the foundation needed for students, job seekers, and career switchers to enter the booming EV industry.</p>
<p><!-- /wp:paragraph --><!-- wp:paragraph --></p>
<p><!-- /wp:paragraph --></p>
<details id=" " open>
<summary data-accordion-index="1" tabindex="0" aria-expanded="true" aria-controls=" " >
What is EV architecture?
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
</summary>
<p>EV architecture refers to the integrated system of components that power an electric vehicle — including the battery pack, BMS, motor, motor controller, microcontrollers, ECUs, sensors, thermal management system, and communication networks like CAN.</p>
</details>
<details id="e-n-accordion-item-2391" >
<summary data-accordion-index="2" tabindex="-1" aria-expanded="false" aria-controls="e-n-accordion-item-2391" >
. Why is BMS important in an EV?
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
</summary>
<p>The Battery Management System (BMS) monitors the battery’s health, safety, temperature, SOC, SOH, and balancing. It prevents overcharging, overheating, and thermal runaway — which are leading causes of EV fires.</p>
</details>
<details id="e-n-accordion-item-2392" >
<summary data-accordion-index="3" tabindex="-1" aria-expanded="false" aria-controls="e-n-accordion-item-2392" >
What causes motor controller failures in EVs?
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
</summary>
<p>According to industry experts, motor controllers fail most frequently due to overheating, overcurrent, phase imbalance, sensor mismatch, EMI noise, or improper calibration.</p>
</details>
<details id="e-n-accordion-item-2393" >
<summary data-accordion-index="4" tabindex="-1" aria-expanded="false" aria-controls="e-n-accordion-item-2393" >
Which microcontrollers are used in electric vehicles?
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
</summary>
<p> Modern EVs use 32-bit microcontrollers, primarily from STM32, NXP, Texas Instruments, and Infineon TriCore. These are used for BMS, motor control, ECUs, sensors, and safety systems.</p>
</details>
<details id="e-n-accordion-item-2394" >
<summary data-accordion-index="5" tabindex="-1" aria-expanded="false" aria-controls="e-n-accordion-item-2394" >
What communication protocols should an EV engineer learn?
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
</summary>
<p>The most important EV protocols are: CAN Bus (most critical) UART I2C SPI LIN (optional) These are essential for diagnostics, ECU communication, and embedded programming.</p>
</details>
<details id="e-n-accordion-item-2395" >
<summary data-accordion-index="6" tabindex="-1" aria-expanded="false" aria-controls="e-n-accordion-item-2395" >
What are the best career opportunities in EV systems?
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
</summary>
<p>High-demand roles include BMS Engineer, Embedded & Firmware Engineer, Motor Control Engineer, EV Testing & Validation Engineer, CAN Protocol Engineer, AUTOSAR Developer, and ADAS Engineer.</p>
</details>
<details id="e-n-accordion-item-2396" >
<summary data-accordion-index="7" tabindex="-1" aria-expanded="false" aria-controls="e-n-accordion-item-2396" >
How can I start a career in EV architecture?
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
<svg aria-hidden="true" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z"></path></svg>
</summary>
<p>Start by learning: - 32-bit microcontrollers - C/C++ programming - CAN communication - BMS basics - Motor control fundamentals Hands-on projects and certification programs (like DIYguru’s PG Programs) accelerate employability.</p>
</details>
<p>EV architecture refers to the integrated system of components that power an electric vehicle — including the battery pack, BMS, motor, motor controller, microcontrollers, ECUs, sensors, thermal management system, and communication networks like CAN.</p>
<p>The Battery Management System (BMS) monitors the battery’s health, safety, temperature, SOC, SOH, and balancing. It prevents overcharging, overheating, and thermal runaway — which are leading causes of EV fires.</p>
<p>According to industry experts, motor controllers fail most frequently due to overheating, overcurrent, phase imbalance, sensor mismatch, EMI noise, or improper calibration.</p>
<p> Modern EVs use 32-bit microcontrollers, primarily from STM32, NXP, Texas Instruments, and Infineon TriCore. These are used for BMS, motor control, ECUs, sensors, and safety systems.</p>
<p>The most important EV protocols are: CAN Bus (most critical) UART I2C SPI LIN (optional) These are essential for diagnostics, ECU communication, and embedded programming.</p>
<p>High-demand roles include BMS Engineer, Embedded & Firmware Engineer, Motor Control Engineer, EV Testing & Validation Engineer, CAN Protocol Engineer, AUTOSAR Developer, and ADAS Engineer.</p>
<p>Start by learning: - 32-bit microcontrollers - C/C++ programming - CAN communication - BMS basics - Motor control fundamentals Hands-on projects and certification programs (like DIYguru’s PG Programs) accelerate employability.</p>
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