Ac-Dc Conversion Without Reversal TRIZ Cases
- Power Supply IC Switching Control for Smooth Overload Transition
Dynamic oscillator and overcurrent control smooth overload switching transitions to keep power supply output voltage stable.
- Flyback AC-DC Converter Control for Dead-Time Loss Reduction
A controlled current source and bulk capacitor layout extend AC-line energy extraction, cutting dead-time loss, ripple, and rectifier RMS current.
- AC Power Supply Circuit for Stable Radiation Heating in Dryers
A zero-amplitude control signal stabilizes radiation-source frequency under AC input, improving heating consistency in drying devices.
- Reactive Power Compensation Assembly for HVDC Converter Threshold Control
A dynamic reactive power source supports HVDC converters when reactive current thresholds are crossed, cutting losses and preserving active power capacity.
- LED Driver Circuit With Switched Capacitor Flicker Suppression
A switched input capacitor powers the LED load only below the turn-on threshold, cutting flicker while improving input harmonic rejection.
- Parallel Rectifier and PFC Converter for Unity Power Factor
A diode rectifier carries most input power while a higher-frequency PFC path corrects line current, cutting losses and maintaining unity power factor.
- Two-Wire Thyristor Dimmer for LED and CFL Phase-Cut Control
A thyristor gate-coupling circuit enables two-wire phase-cut dimming for LED and CFL loads without a neutral connection or complex control circuitry.
- DC Conversion Module Layout for High-Density Power Supplies
Integrated PFC, DC conversion, and isolated modules with parallel copper bars cut PSU volume and raise power density.
- String Inverter IV Scanning With Ripple Current Control
Dynamic DC-DC voltage control keeps power flowing during IV curve scanning while reducing inductor ripple and overcurrent trips.
- Quasi-Resonant Flyback Synchronous Rectification Dead-Time Control
Sampling switch-transistor voltage sets adaptive dead-time for synchronous rectification, cutting flyback converter conduction loss.
- PMOS Bus Capacitor Control for Smaller AC-DC Adapters
A PMOS-switched bus capacitor extends AC mains support, cutting adapter capacitor size while maintaining output power and charging efficiency.