Perovskite Tandem Cells: Topcon vs HJT Bottom-Cell Comparison
Comparison of perovskite tandems with HJT bottoms: HJT offers better front-contact compatibility, higher voltage and passivation; integration requires a tunneling junction.
Power & New Energy Solutions
LLC Resonant Converter Simulation Principles
LLC circuit resonant converter overview: principle, pros/cons, full-bridge PowerExpert setup and simulation results demonstrating 400V→167V output behavior.
Three Compact Solutions for High Step-Down Converters
Analyzes why buck converters struggle at very high VIN/VOUT ratios and outlines three compact high step-down approaches: LT3748 flyback, LTM modules, and LT8641.
EMC and Protection Design for Module Power Circuits
Comparison of voltage-mode and current-mode control in switching power supplies, detailing their advantages, disadvantages, and selection guidance for designers.
Switching Power Supply PCB Layout Optimization
Guide to PCB layout for switching power supplies: placement, current-loop minimization, grounding, routing rules, design checks, and fabrication output recommendations.
Annealing Processes for Perovskite Solar Cells
Annealing strategies for perovskite solar cells: how thermal annealing time and temperature affect film crystallization, morphology, carrier mobility, and manufacturing challenges.
Solid-State Battery Development Still Faces Major Challenges
Technical overview of all-solid-state batteries, semi-solid routes and Honeycomb Energy's progress, highlighting sulfide electrolyte advances, 20 Ah cells and materials challenges.
Three Charger Circuit Designs for Improved Performance
Overview of high-voltage charger designs using synchronous buck ICs for lead-acid, lithium-ion, and supercapacitor systems; CC/CV, precharge, and protection features.
Why Parallel Large and Small Capacitors for Power Filtering
Explains why large and small capacitors are paralleled for broadband filtering, covering ESL effects, high-frequency performance, and decoupling capacitor placement.
Adaptive Mode for Buck Converter Efficiency
Technical overview of buck converter conduction modes (CCM vs DCM) and adaptive mode switching to optimize efficiency, stability, and transient response.
Factors Limiting EV Growth Related to Power Batteries
Analysis of IoT, blockchain, and big-data solutions for power battery systems: continuous state monitoring, safety risk prediction, residual value and V2G integration.
BUCK Converter Design Explained
Buck converter design using AD780 to generate regulated 2.5 V or 3.0 V outputs from 15 V input, with comparator protection and low-headroom operation.
