Efficient Power Electronics Conversion TRIZ Cases

A hybrid dc-dc converter merges a full-bridge inverter with an LLC resonant circuit to achieve wide zero-voltage-switching range.

Abnormality detection circuit monitors drain pin voltage to identify open-circuit faults in synchronous rectification transistors.

A pulse skipping detecting circuit preemptively switches off the low-side element in a DC-DC converter to stop backward current flow.

A resonant power converter controller dynamically adjusts switching and resonant frequencies to maintain stable output voltage across varying input conditions.

Hysteresis current control synchronizes parallel inverter switching to resolve thermal stress and chaotic electrical performance.

A bidirectional AC/DC H-bridge converter uses high-frequency switching to remove rectifying diodes and low-pass filters.

Zero current estimation circuit monitors voltage differences across inductors to generate precise switching signals for resonant power converters.

Second oscillator maintains consistent switching frequency to suppress acoustic noise in DC/DC converters during light load states.

Auxiliary inductance and switches modify switching node voltage to enable zero voltage switching across the converter leg.

A controller dynamically switches an inrush current prevention resistor based on output power levels.

Pre-charging comparator capacitors eliminates RC delay during inactive-to-active transitions, maintaining stable internal voltage.

Dynamic timing control reduces energy loss and voltage stress across multiple switches, improving power efficiency and thermal management.

A multi-path control circuitry switches between pulse width modulation and pulse frequency modulation modes to manage dynamic load changes.

A power factor correction circuit switches to overvoltage operation mode to maintain diode conductivity.

Electronic circuit controls bidirectional switches via hybrid commutation using high-frequency reference signals.

A charge balancing capacitor prevents avalanche breakdown by ensuring full discharge of drain-source parasitic capacitance before internal turn-on.

A resonant power conversion topology divides the circuit into high-frequency DC and low-frequency AC stages to minimize gate-drive losses.

A switch driver manages switching patterns to control current direction in power conversion devices.

Modulating average off-time across intermediate resonant valleys spreads electromagnetic interference while maintaining power processing efficiency.

A resonant converter circuit uses light-load control sequences to manage transistor drive patterns and non-switching intervals.

Forward-flyback converter with active-clamp circuit topology ensures zero-voltage-switching under heavy and light loads.

A gate driver stabilizes GaN switching using a parallel capacitor-resistor circuit and a short-circuit unit.

Decoupling a component via switches isolates it for precise aging analysis without disrupting voltage stability or power consumption in the electrical assembly.

Compensation circuit maintains fixed voltage gap across switching frequencies to improve line transient response during mode transitions.

A power converter system monitors voltage at a compensation node to cease transistor switching and allow inductor current decay.

Bootstrap circuit maintains high-side transistor conductivity in discontinuous conduction mode by charging a capacitor during low-side conduction.

A redundant power supply circuit uses a step-up converter to maintain capacitor voltage above input levels during relay switching.

A series-parallel active clamp flyback converter recovers leakage inductance energy via a snubber capacitor to maintain zero voltage switching.

A flyback converter uses a wake-up circuit to manage power transmission during low-load burst-mode operation.

A multiplexing pin detects peak current across three intervals, resolving signal transfer delays that compromise control accuracy in traditional designs.

A transformer-less AC-AC power converter topology merges PFC and inverter stages into a unified circuit with a single DC bus.

A driving control device calculates inductor current slope parameters using historical data to enable high-accuracy digital control at low sampling frequencies.

A switched-mode power supply uses a digital control unit to adjust switching frequencies and duty cycles for optimized energy conversion.

A switching power supply device incorporates an input low-voltage detection circuit to generate signals for overload protection activation.

A DC-DC converter suppresses current backflow by turning off the rectification transistor when backward current is detected.

A switching regulator topology uses a low-value inductor to enable zero-voltage and zero-current switching transitions.

An ON-period setting circuit adjusts timing intervals in switching power supplies to manage load conditions.

A detection circuit compares diode conduction time with a threshold to generate a signal indicating inductor current reaches zero.

Predictive diode emulation controls GaN FET switches in a PFC boost converter, reducing reverse-recovery losses and maintaining unity power factor.

Adaptive timing circuits adjust dead times and clamp switch ON times to optimize zero-voltage switching, reducing power losses from fixed control methods.

An adaptive synchronous switch adjusts comparator offset and delay to optimize power conversion efficiency.

A single-stage DC-DC converter uses series input windings and parallel output windings to transfer energy efficiently.

A switch mode power supply control circuit adjusts switching signals based on voltage feedback and current thresholds to reduce quiescent current consumption.

A universal LED lamp uses bridge rectifiers to accept power from AC mains or ballasts without retrofitting.

An LED driver switches between regulated current and voltage modes to supply auxiliary power during standby.

A buck-boost converter paired with a resonant stage circuit processes DC signals to deliver stable power output.

A 7-switch flying capacitor converter selects operation modes to maintain high power processing efficiency across varying input and output conditions.

Diodes redirect charge during AC half-cycles to discharge capacitors, eliminating the X-resistor that increases standby power consumption.