Efficient Power Electronics Conversion TRIZ Cases

A programmable power adapter uses a resonant converter to supply multiple DC output voltages.

A detection circuit monitors internal node voltage to infer inductor current state and control transistor switching timing.

A driving circuit pulls down the synchronous rectifier gate voltage using a MOS transistor body effect to ensure reliable turn-off.

A power converter adjusts gate drive current dynamically to reduce electromagnetic interference during switching transitions.

Controller extends the electronic switch on-period when storage gaps occur, resolving the trade-off between switching frequency and measurement precision.

Dual control loops in a target voltage generator compensate for load transients, maintaining stable output voltage regulation.

A switching power converter detects low load conditions using peak current ratios in constant voltage and constant current regulation modes.

An IPMM module monitors output values of multiple power supply units to adjust droop voltage and distribution impedance settings.

A driver circuit actuates parallel power MOSFETs with different voltage ratings in a specific sequence to protect lower-rated devices from aging degradation.

A quasi-resonant converter controller detects resonant waveform valley points to extend blanking times and reduce switching frequency.

A full-bridge series-resonant converter paired with an active voltage-doubler rectifier boosts input DC voltage to target levels.

A full-bridge converter uses a resonant inductor to enable zero voltage switching, eliminating reverse recovery losses under varying load conditions.

A gated over-voltage comparator circuit with a one-shot timer reduces output voltage overshoot in switching regulators.

A switching controller adjusts duty cycles across phases to equalize output currents in interleaved resonant converters.

Segmented contact structure manages current flow in silicon carbide MOSFET termination regions to suppress insulation breakdown during high-speed switching.

An AC winding voltage drives a secondary control circuit, eliminating DC power requirements and reducing noise.

A burst-mode controller clusters switching cycles within fixed-frequency windows to regulate output voltage ripple.

A power converter circuit estimates drain current using gate-source voltage to enable flexible overcurrent threshold selection.

A power switching voltage regulator adjusts gate voltages to control switch on-resistances.

A controller adjusts synchronous rectification switch timing using a baseline offset circuit and peak current detector to optimize power conversion.

A synchronous rectifier control apparatus adjusts gate drive voltage to reduce inrush current.

Adaptive zero voltage switching adjusts the freewheeling switch on-time based on active switch voltage sensing.

A load detection circuit monitors switching voltage during dead-time periods to determine load current polarity.

A switch control circuit sets dead time and protection modes via multi-voltage signals on a single pin.

An intelligent pulse control circuit disables power factor correction and PWM stages during light load conditions to reduce switching losses.

A bidirectional switching power supply performs synchronous rectification using an LC resonant circuit to minimize energy dissipation.

A controller adjusts switching frequency based on phase differences between resonant current and control signals to stabilize output voltage.

An undivided resonant circuit alternates connections to minimize earth currents while maintaining galvanic isolation across the capacitive coupling.

A transient enhancing circuit uses sample-and-hold and zero-current detection to manage voltage levels in power converters.

Controllable switch blocks leakage currents in LED light sources during standby mode, eliminating parasitic glow.

A switching control circuit uses passive elements between external terminals to set threshold voltages for function configuration.

Capacitor discharge enables zero voltage switching during low output, resolving efficiency loss from insufficient reactor current.

A power conversion apparatus detects circuit current using a virtual reference potential nearest to control ground.

A bi-directional multi-port power converter uses energy transfer reactance to convert electrical formats without transformers.

Magnetic coupling replaces opto-couplers to resolve feedback speed and isolation reliability contradictions.

A dipole oscillation tank circuit transfers energy between capacitors via an inductor to drive reactive loads efficiently.

Auxiliary winding polarity sensing eliminates costly current sensors and noise filtering while reducing conduction losses in LLC converters.

A drive module integrates zero-cross detection and logic level switching circuits within a single package to manage transistor states.

A current control circuit mirrors power transistor current using a sense transistor to generate a precise sense signal.

Segmented capacitor units with dedicated conductive lines isolate output transistors in shift registers, preventing foreign particle short circuits.

Control circuit manages synchronous rectifier switching states to stabilize output voltage in DC-DC converters.

Superimposing a 3N order harmonic component on AC voltages suppresses capacitor pulsation and reduces energy losses in active power control.

Delay locked loop phase control maintains efficiency at 30-300 MHz, preventing power density loss from switching frequency increases.

A charging pump module uses transistor switches to control flying capacitor units for generating an adjustable voltage.

A universal aircraft power supply merges AC and DC inputs through a switchover subcircuit to drive a power factor correction stage.

A resonant converter uses a regulation pulse to pre-adjust magnetizing inductor current and capacitor voltage during burst mode operation.

Autonomous secondary-side circuit drives MOSFETs based on switching half-cycle detection and current thresholds.

A bridge inverter circuit incorporates a dedicated freewheeling path to maintain power output during switching unit off-states.

Auxiliary converter generates soft switching waveforms, eliminating costly high-ripple capacitors and reducing switching losses.