L&

Power Electronics Design Lead -Traction

Accepting applications

Larsen & Toubro · Bengaluru, Karnataka, India

Full-Time Principal MATLABSiC
Estimated market salary
₹13-23 LPA

This is a SiliconBoard market estimate, not an employer-posted salary.

Posted
2d ago
Category
Manufacturing
Experience
Principal
Country
India
Power Electronics Design Lead – Traction Converter (Electric Vehicles) – P9

Role Overview

Power Electronics Design Lead is responsible to spearhead the end-to-end development and integration of high-voltage traction converter for electric vehicles.

The role involves defining system architecture, leading power electronics design, integrating motor control strategies, ensuring functional safety compliance, and driving certification readiness for automotive production.

The candidate must possess deep expertise in power electronics, system-level understanding, automotive software architecture (AUTOSAR), drive cycles, and OEM development processes.

Key Responsibilities

System Architecture & Technical Leadership
Define traction converter system architecture (HV inverter, AC-DC, DC-DC stages as applicable)
Select and justify converter topology (2-level, 3-level, SiC-based, multi-phase, etc.)
Develop system requirements, functional specifications, and interface control documents (ICDs)
Define electrical, thermal, mechanical, and communication interfaces
Perform trade-off analysis (efficiency, EMI, cost, reliability, scalability)
Power Electronics Design
Lead design of:
High-voltage DC-AC traction inverter
Onboard AC-DC converters
DC-DC converters in vehicle platforms
Semiconductor selection (SiC MOSFET / IGBT modules)
Gate driver architecture (dv/dt immunity, Miller clamp, short-circuit protection)
Switching loss & conduction loss modelling
Thermal modelling and cooling strategy definition
Magnetics and busbar design optimization
Motor Control & Drive Cycle Understanding
Strong knowledge of:
Field-Oriented Control (FOC)
Torque & speed control strategies
Regenerative braking integration
Sensorless control techniques
Understand and optimize performance across:
WLTP drive cycles
FTP-75
Indian MIDC drive cycle
Efficiency mapping and inverter-motor optimization across full torque-speed envelope
Support HIL validation and drive-cycle-based testing
AUTOSAR & Embedded System Integration
Good understanding of AUTOSAR architecture (Classic Platform preferred)
Define software-hardware interface architecture
Collaborate with embedded software teams on:
PWM implementation
Diagnostic services (UDS)
CAN / CAN-FD communication
Safety monitoring & state management
Support integration into vehicle E/E architecture
Functional Safety & Compliance
Lead ISO 26262 activities (ASIL C/D preferred)
Define safety goals, safety concepts, and hardware safety mechanisms
Implement diagnostic coverage strategies
Support FMEA, FMEDA, DFMEA processes
Ensure compliance with:
CISPR 25 (EMI)
ISO 11452 (Immunity)
UNECE R100 / R10
OEM-specific standards
EMI/EMC & Reliability Engineering
Define EMI-conscious layout and grounding strategy
Design input/output filters and shielding solutions
Lead pre-compliance and certification testing
Oversee validation testing:
Thermal shock
Vibration & mechanical shock
Power cycling
Environmental durability
Root cause analysis and corrective action implementation
Testing, Validation & OEM Engagement
Define DV/PV validation plans
Lead prototype builds and debug campaigns
Support APQP, PPAP documentation
Direct technical interaction with OEM engineering teams
Participate in design reviews and technical audits
Cross-Functional Collaboration
Work closely with:
Mechanical & thermal teams
Embedded software teams
Manufacturing & quality
Supply chain & sourcing
Drive cost optimization and DFM/DFMEA initiatives
Required Technical Skills

Experience: 10+ Years

Qualification: M.Tech in Power Electronics / Electrical Engineering / Drives & Control or equivalent

10+ years in high-power electronics design
Minimum 5 years in EV traction inverter or high-power automotive systems
Strong expertise in:
400V–1000V HV systems
SiC/IGBT-based traction inverters
AC-DC and DC-DC automotive converters
Motor drives and control
Knowledge of AUTOSAR-based system integration
Experience with drive cycle analysis and efficiency optimization
Proficiency in simulation tools (MATLAB/Simulink, PLECS, LTspice)
Strong hands-on lab debugging capability
Required Experience

Prior experience with automotive OEMs or Tier-1 suppliers
Experience in full product lifecycle (Concept → SOP)
Exposure to ISO 26262 processes
Experience in EMI/EMC validation and certification
Familiarity with automotive quality standards (IATF 16949 preferred)

Behavioral Competencies

Strong technical leadership
Structured system thinking
Ownership mindset
Excellent cross-functional communication skills
Ability to drive complex development programs

Preferred

Experience with 800V EV platforms
Experience leading multidisciplinary engineering teams
Exposure to system cost modelling (?/kW optimization)
Experience with integrated e-axle systems
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