Search Results - pritam+das

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Integrated Three-Core Nanocrystalline Planar Magnetics for Ultra-Efficient Power Conversion
This innovation integrates transformer and resonant inductors into a single nanocrystalline three-core planar structure for high-frequency CLLC resonant converters. By eliminating discrete magnetics and enabling precise inductance control with reduced losses, it delivers high power density, compact form factor, and exceptional efficiency for next-generation...
Published: 12/3/2025   |   Inventor(s): Sunil Dube, Kalyan Yenduri, Pritam Das
Keywords(s): CleanTech, Technologies
Category(s): Campus > Binghamton University, Technology Classifications > Engineering
Ultra-compact Single-stage 48 V-to-Sub-1 V Converter with Adaptive Soft-switch Control
This invention presents a single-stage half-bridge converter that efficiently converts 48 V to sub-1 V using adaptive soft-switching control. By combining quasi-peak cycle-by-cycle current regulation with sensorless droop control, it achieves high efficiency, compact design, and rapid transient response for next-generation data-center, telecom, and...
Published: 11/12/2025   |   Inventor(s): Tuhin Sasmal, Pritam Das
Keywords(s): Technologies
Category(s): Campus > Binghamton University
Advanced Matrix Transformer Architecture for High-Efficiency 48V-to-Sub-1V Power Conversion
This invention introduces an advanced four-pillar matrix transformer architecture that doubles magnetizing inductance, reduces core volume, and minimizes circulating currents for compact, high-efficiency 48 V-to-sub-1 V conversion. Its optimized diagonal core geometry and parallel winding design improve thermal balance and efficiency, enabling scalable...
Published: 11/12/2025   |   Inventor(s): Tuhin Sasmal, Pritam Das
Keywords(s): Technologies
Category(s): Campus > Binghamton University
Compact Multilevel Bidirectional Converter for High-Efficiency EV, Grid, and Aerospace Systems
This invention introduces a compact bidirectional AC-DC converter that merges power factor correction and resonant conversion into a single multilevel stage. By reducing device count, passive size, and DC-link capacitance while achieving soft switching and >98% efficiency, it enables scalable, high-density power conversion for EV charging, grid storage,...
Published: 11/12/2025   |   Inventor(s): Kalyan Yenduri, Sunil Dube, Pritam Das, Benson Chan
Keywords(s):  
Category(s): Campus > Binghamton University, Technology Classifications > Electronics
High-Efficiency, Long-Lifespan LED Driver with Independent Channel Dimming
This invention introduces an electrolytic-capacitor-free LED driver that achieves >94% efficiency, extended operational life, and independent multi-channel dimming in a single compact unit, enabling reliable, energy-optimized lighting for industrial, architectural, and entertainment applications. Background: High-power LED systems require long...
Published: 11/12/2025   |   Inventor(s): Pritam Das
Keywords(s): CleanTech
Category(s): Campus > Binghamton University, Technology Classifications > Electronics, Technology Classifications > Engineering
Robust Fused Deposition Modeling (FDM) of Polymers with High Metal Inclusion Content
This invention introduces a metal-polymer filament with up to 70% metal content for FDM 3D printing, enabling durable, precise, and customizable magnetic and metallic parts directly from desktop printers. Background: Magnetic component manufacturing faces challenges with traditional techniques such as air gap variability in transformer cores and...
Published: 11/12/2025   |   Inventor(s): Scott Schiffres, Pritam Das, Oscar Abundez, Jacob Goodman
Keywords(s): Technologies
Category(s): Campus > Binghamton University, Technology Classifications > Engineering
9-Switch Bidirectional AC-DC Power Converter for Ultra-Efficient EV, Grid, and Aerospace Systems
This invention introduces a compact three-phase bidirectional AC-DC converter that integrates PFC and high-frequency isolation into a single 9-switch stage. By reducing device count, eliminating capacitor DC bias, and enabling soft-switching at >200 kHz, it achieves >98% efficiency with smaller filters and lighter hardware—ideal for EVs,...
Published: 11/12/2025   |   Inventor(s): Kalyan Yenduri, Sunil Dube, Pritam Das
Keywords(s): CleanTech
Category(s): Campus > Binghamton University, Technology Classifications > Electronics