Lead HW Engineer

About the role

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.

Responsibilities

• 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 10 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 basics.

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.

About L&T

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.