Principal Power Architect

11 hours ago

Bengaluru Karnataka, India Larsen & Toubro Full time

Principal Power Architect

LNT/PPA/1545753

LTST-L&T Semiconductor Technologies LimitedBengaluruPosted On
- 12 Nov 2025-
- End Date
- 11 May 2026-
- Required Experience
- 12 - 15 Years**Skills**:
Knowledge & Posting Location
- DC POWER SYSTEMS (DCPS)

Minimum Qualification
- MASTER OF SCIENCE IN ENGINEERING (MSC ENGG)

**Job Description**:
**Principal Power Architect**:
**Areas of Responsibilities**:

- Architect advanced high-voltage, high-power DC-DC converter topologies (e.g., LLC, PSFB, interleaved buck/boost, flyback) specifically tailored for use with SiC/GaN-based power modules in energy systems.
- Define scalable and modular power architectures that supply and interface with wide-bandgap-based converters for solar inverters, battery energy storage systems (BESS), grid-tied systems, and DC fast chargers.
- Lead design of isolated and non-isolated DC-DC supplies with wide input/output ranges (e.g., 100 V-1500 V), supporting fast transient loads and high switching speeds inherent to SiC/GaN technologies.
- Own development of analog and digital control systems, ensuring fast, stable response and integration with wide-bandgap switching dynamics.
- Direct the selection and specification of magnetics, isolation techniques, and thermal strategies suitable for high-frequency, high-efficiency power stages.
- Ensure full compliance with safety (UL, IEC), EMI/EMC (CISPR/IEC 61000), and grid-interconnect standards relevant to energy platforms.
- Collaborate across functions—including SiC/GaN switch designers, packaging engineers, and system architects—to co-optimize performance and reliability.
- Provide technical leadership, mentoring, and system-level oversight throughout architecture, design, validation, and productization.
- Drive IP generation, architecture documentation, and technology roadmaps aligned with the company’s energy product strategy.- Technical Skills:
Expert in DC-DC converter topologies: Buck, Boost, Flyback, Forward, PSFB, LLC, Interleaved, Multi-phase.
- Expertise in wide-bandgap semiconductors (SiC/GaN) and digital power control.
- Proficiency in control loop design: voltage/current-mode control, Type II/III compensation, digital control.
- Strong knowledge of magnetics design: transformer and inductor design for high efficiency and low EMI.
- Proficient in high-voltage isolation techniques and safety-compliant designs (UL1577, IEC 62109).
- Deep understanding of EMI/EMC suppression, filter design, and compliance to IEC 61000, CISPR.
- Skilled in thermal modeling, derating, and power density optimization for harsh environments.
- Simulation tools: LTspice, SIMPLIS, PSIM, PLECS, MATLAB/Simulink.
- Familiarity with digital power controllers, firmware interaction, and telemetry features.
- Knowledge of grid interface standards, MPPT algorithms, and power module integration.
- Knowledge of MPPT, multi-port converters, and BMS interfacing

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