Efficient Power Electronics Conversion TRIZ Cases

Impulse-driven resonance tracks susceptor temperature in real time, improving aerosol heating consistency without direct thermal sensors.

A loading detector and configurable regulator cut light-load switching loss and heat by adjusting high-side drive voltage.

A resonant three-level rectification stage enables bidirectional high-voltage DC/DC conversion while lowering secondary switch stress and EMI.

Variable-frequency resonance control ignites atmospheric plasma while smoothing impedance shifts that would otherwise trigger damaging current surges.

An air-core resonant supply uses ZVS and variable capacitance to cut high-voltage switching loss and avoid MRI magnetic interference.

Load feedforward from the DC/DC controller lets the PFC stabilize Vbulk during high step loads without sacrificing power factor or THD.

A resonant branch generates counter-current for soft switching, cutting SST switching losses while enabling higher operating frequency.

An LC interconnecting branch drives opposite current before turn-on, cutting switching losses while allowing higher operating frequency.

A MOSFET-based synchronous rectifier with variable voltage regulation improves low-voltage flyback converter efficiency and reduces heat.

Valley-triggered high-side timing generates negative inductor current so the switch node reaches zero volts with lower converter losses.

Four switching paths between charge pump stages cut capacitor voltage mismatch, reducing conduction losses in DC voltage conversion.

Staggered turn-on and turn-off timing across parallel switching elements equalizes switching loss, cuts heat generation, and avoids added manufacturing cost.

Locks switching to a selected voltage valley in quasi-resonant power supplies to prevent random valley bouncing and abnormal noise.

A pre-charging switch soft-starts the output capacitor while GaN synchronous rectification cuts reverse recovery loss and supports higher-frequency boost conversion.

A transformer-based dual conversion circuit keeps load voltage below its rated level, preventing damage even during switching element faults.

Half-duration entry and exit pulses let an LLC converter switch burst modes smoothly, limiting ripple, stress, and light-load voltage rise.

Dynamic switching among full-bridge, half-bridge, and hybrid resonant modes extends voltage and wattage range while reducing losses.

A resonant switched capacitor circuit balances split-phase or three-phase loads while cutting switching losses, EMI, and autotransformer use.

Feedback control adjusts switch turn-on time cycle by cycle to maintain ZVS in asymmetric half-bridge supplies and cut switching loss.

A clamp capacitor with diode-guided reverse excitation blocks excess secondary energy transfer, cutting peak current and EMI.

Adaptive transistor on-time correction limits negative inductor current, cutting switching loss while maintaining high power factor.

Dynamic transformer winding reconfiguration expands LLC converter output range while supporting high-frequency soft switching and better power density.

A passive resonant gate network sustains transistor switching beyond 30 MHz while cutting resistor-driver losses in DC/AC conversion.

An adaptive UVP threshold tied to output voltage prevents flyback restart after input loss and helps cut standby power in fast charging.

Node-voltage feedback delays switch turn-on in a flyback converter to stop body diode cross conduction and reduce switch stress.

Monitors synchronous rectifier current slope to vary gate discharge current, cutting reverse current and drain voltage spikes in DCM.

A single isolation device coordinates primary and secondary switching to prevent shoot-through while preserving drive voltage and efficiency.

A PFC control circuit uses RMS and input-voltage-square calculations to keep AC input current sinusoidal and in phase with line voltage.

Zero-crossing updates and hybrid nonlinear control let a PFC converter raise gain and frequency while preserving stability and near-unity power factor.

A control circuit sets boost voltage levels and switches resonant converter bridge modes to keep conversion efficiency high across input voltages.

Duty-cycle-based frequency jitter spreads EMI energy in a resonant converter while closed-loop control maintains output voltage stability.

A hybrid hysteric controller with current feedforward lets LLC converters use smaller output capacitors while limiting load-step undershoot and overshoot.

An auxiliary charge-discharge module enables soft switching in isolated and non-isolated power supplies while cutting switching loss at higher frequency.

Drain-source voltage sensing lets a totem-pole PFC shut off switches during surges, limiting reverse current without extra sensing loss.

A tuned secondary-side voltage enables zero-voltage MOSFET turn-on in flyback converters, cutting switching loss and temperature rise.

A common drift region and dual-gate layout cut conduction losses while preserving bidirectional voltage blocking in power converters.

A built-in PN diode and metal drain connector create a current discharge path that prevents high-voltage breakdown without enlarging gate-drain spacing.

A multiplexer lets one comparator handle turn-on and turn-off references, cutting rectification circuit area, power use, and error buildup.

Pre-charging a parallel capacitor enables zero-voltage switching in converter legs, cutting switching losses at high frequency.

A segmented three-port DC-DC converter uses soft switching and independent full bridges to cut switch voltage stress and improve efficiency.

A magnetic filter separates regulation from charge transfer in a DC-DC converter, cutting die area and switch-related power losses.

Asymmetric RSCC switching sequences expand voltage regulation range, reduce transient current spikes, and preserve ZCS across load levels.

Valley-voltage switching times the main transistor conduction to cut adapter energy loss while supporting compact, high-density charging.

Dynamic ZCD and reverse-current comparators improve buck-boost USB-PD voltage stability during line transients and cut efficiency loss.

Parallel capacitor units and isolatable conductive lines let GOA shift registers contain particle-induced shorts and keep output operation stable.

Vertical stacking of switch and blocking transistor dies cuts parasitic loss and improves switching regulator conversion efficiency.

Stacking the inductor and capacitors above an embedded PCB IC shortens current paths, cutting parasitics for faster, smaller DC-DC conversion.

Current-threshold control replaces switch-voltage detection in a bridgeless PFC circuit, easing sampling delay and improving noise immunity.

Transmit coil Q-value sensing detects stylus attachment without a Hall assembly, reducing hardware cost and enabling wireless charging only when aligned.