Engineering Perspective_
Technical
Knowledge Base_
In-depth research and engineering insights from our power electronics lab at IIT Palakkad.
Custom OBC vs Off-the-Shelf OBC: A Decision Framework for EV OEMs
Custom OBC vs off-the-shelf OBC: A decision framework for EV OEMs evaluating customization, cost, timeline, and performance trade-offs.
Single-Phase vs Three-Phase On-Board Chargers for EV Platforms
Single-phase vs three-phase on-board chargers for EV platforms: grid requirements, power levels, cost, and application fit for OEMs.
When Does an Integrated OBC + DC-DC Architecture Make Sense?
When does an integrated OBC + DC-DC architecture make sense? Packaging, cost, efficiency, and integration trade-offs for EV OEMs.
What OEMs Should Look for in an EV Power-Electronics Engineering Partner
What OEMs should look for in an EV power-electronics engineering partner: technical capabilities, manufacturing, validation, and support.
EV Charger Design for Three-Wheelers and Commercial Fleets
EV charger design for three-wheelers and commercial fleets: 11 kW–20 kW OBC selection, three-phase charging, durability, and fleet operations.
EV Charger Design for Two-Wheelers: Battery Voltage, Packaging and Thermal Constraints
Complete guide to EV charger design for two-wheelers: 48V–96V OBC selection, packaging, thermal, AIS-138 compliance, and cost optimization.
400V vs 800V EV Architecture: Implications for OBC and DC-DC Design
Understand 400V vs 800V EV architecture and its impact on onboard charger, DC-DC converter, and power electronics design.
How to Select an EV DC-DC Converter for Auxiliary Power Systems
Complete guide to selecting EV DC-DC converters: voltage conversion, power rating, isolation, efficiency, and automotive compliance.
3.3 kW vs 7.2 kW vs 11 kW On-Board Chargers: An OEM Selection Guide
Compare 3.3 kW, 7.2 kW, and 11 kW onboard chargers for EV OEMs: charge time, grid requirements, cost, and application fit.
How OEMs Should Select an EV On-Board Charger: Complete Engineering Guide
Complete OBC selection guide for EV OEMs: power rating, topology, thermal, EMI, cost, and production considerations.
AIS-138 Explained: What EV Charger Engineers Need to Know
AIS-138 is India's primary technical standard for EV charging equipment. Here is what the standard requires, explained in engineering terms.
Planar Transformer Design for High-Frequency EV Chargers
Planar magnetics are becoming the standard for compact, high-frequency EV charger designs. Advantages, trade-offs, and design rules.
GaN vs SiC: Which Semiconductor for Which EV Application?
Both GaN and SiC outperform silicon in power electronics. But they are not interchangeable. Here is a precise engineering framework for choosing between them.
Thermal Management in EV Chargers: From Junction to Ambient
Thermal design is not an afterthought in EV charger development. It is the constraint that shapes every other design decision.
LLC Resonant Converter Design: A Step-by-Step Engineering Guide
The LLC resonant converter is the dominant isolated DC-DC topology in modern on-board chargers. Here is exactly how to design one from first principles.