Hardware Developer -EV
Larsen & Toubro Ltd
Work from Office
Full Time
Min. 3 yearsJob Description
Hardware Developer -EV
Job Description: Power Electronics Engineer – EV Drivetrains
Location: Bangalore
Experience: 3-10 years
About the Role
We are looking for a Power Electronics Hardware Engineer to support the development of high-voltage EV drivetrain electronics for our X-in-1 integrated powertrain systems. The role involves hardware design, component selection, schematic development, PCB design coordination, prototype bring-up, validation support, and system integration for 400 V and 800 V EV power electronics platforms.
The engineer will work on key subsystems such as the Motor Control Unit/Inverter, PDU, On-Board Charger, DC-DC Converter, DC bus architecture, gate driver circuits, sensing circuits, power supplies, protection circuits, and system-level hardware integration.
This role is suitable for candidates with strong fundamentals in power electronics hardware design, EV high-voltage systems, analog/digital circuits, semiconductor devices, and product development from concept to functional prototype.
Roles and Responsibilities
- Design and develop hardware for 400V EV power electronics systems including Motor Control Unit/Traction Inverter, Power Distribution Unit, On-Board Charger, DC-DC Converter, DC Bus interconnect architecture, X-in-1 system level integration
- Perform detailed hardware architecture definition based on system requirements, vehicle requirements, power ratings, thermal limits, safety requirements, and packaging constraints.
- Select suitable components for high voltage EV applications, including IGBT/SiC/MOSFET, Gate Drivers, DC Link Capacitors, Sensors, Sensing circuits, contactors, fuses, magnetics, EMI/EMC filters, Busbars, etc
- Carry out component derating analysis and prepare design calculations
- Develop detailed schematics for power stages, gate drivers, sensing paths, auxiliary power supplies, protections, control cards, comm interfaces, HVIL and safety circuits
- Work closely with PCB layout engineers for – high current layout, high voltage creepage and clearance, loop optimisations, EMI-EMC sensitive routing, isolation barriers, vias and copper balancing, groundings, etc.
- Carry out functional bring-up of prototype hardware boards and complete EV power electronics systems.
- Perform board level and subsystem level testing.
- Support integration testing with motor, gearbox, battery simulator, dyne, vehicle controller and BMS.
- Support integration of MCU, PDU, OBC, DC-DC, motor, gearbox, cooling system and control electronics into a compact X-in-1 EV drivetrain system.
- Support design reviews, schematic reviews, PCB reviews, prototype reviews and customer/OEM technical discussions.
- Coordinate with mechanical, thermal, software, motor, gearbox and vehicle integration teams.
Eligibility
- Total experience – 3 to 5 years in power electronics hardware design, preferably in EV, automotive, industrial drives, chargers, DC-DC converters, motor controllers or high-voltage systems.
- M.E. / M.Tech in Power Electronics and Drives.
- The candidate should have knowledge of power electronics fundamentals, HV EV systems, components selection, magnetics design, schematics designs, thermal and electrical derating, EMI EMC design basic
Desired Skills
- Understanding of automotive development processes
Experience working with suppliers, semiconductor vendors and PCB manufacturers
Hands-on approach to hardware bring-up and debugging
Willingness to work in fast-paced EV product development environments
L&T Company Overview / About Us:
L&T is a USD 30 billion Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing, and Services, operating across multiple geographies. A strong, customer–focussed approach and the constant quest for top-class quality have enabled L&T to attain and sustain leadership in its major lines of business for eight decades.
Given L&T’s capability in strategic electronics and leveraging its foray into semiconductor design and well-established capabilities in L&T Technology Services, the business is expanding its offerings to cover industrial electronic modules, products and systems in critical sectors of Power Electronics, Automotive Electronics, Industrial Robotics & Automation, Communication Platforms and Electronic Systems Design & Manufacturing (ESDM). The focus products under Automotive Electronics are ADAS, Electrification & Connectivity related products.
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