Efficient Power Electronics Conversion TRIZ Cases

A semiconductor device integrates a DCDC control unit to generate PWM signals that regulate switching transistors.

Replacing expensive transformers with inductors, this 6-pin controller reduces converter cost while maintaining safety through redundant overvoltage detection.

Charging current changing circuit adjusts oscillator slope for stable PWM generation across varying load conditions.

An asymmetric switching capacitor regulator generates a wide output voltage range using an inductor to create voltage differentials across capacitors.

Segmented gate electrodes reduce response delay while maintaining large current capacity in power transistors.

Bridgeless insulated power factor adjustment circuit reduces conduction loss by extracting the rectifier and merging control stages for compact design.

Lookup tables eliminate detection delay in high-frequency DC-DC converters, enabling precise phase alignment for low-loss operation.

A DC-DC converter adjusts pulse width to maintain high operating frequency.

A non-isolated AC-DC rectifier topology segments output filtering into two capacitors charged alternately during positive and negative half cycles.

Dynamic voltage adjustment at the current detection terminal optimizes burst mode transitions, reducing switching losses and audible noise in light load states.

A clocked electronic energy converter adjusts switch-on and supplementary switch-off times to control power transmission across a wide range.

A control method monitors half-bridge voltage slope to adjust switching phase and frequency, preventing capacitive mode operation in resonant converters.

A totem-pole bridgeless PFC control device monitors inductor voltage to generate soft switching signals.

Active clamp controller circuit recycles leakage inductance energy to reduce power losses and eliminate costly RCD snubber circuits.

Periodic dynamic comparison reduces continuous comparator activity, enabling rapid voltage regulation with current consumption below 1 μA.

A power factor controller synchronizes gate drive signals with drain-to-source voltage valleys to reduce switching losses.

Phase node sensing circuits feed difference signals to a PWM generator, balancing inductor currents despite component mismatches.

Protruding gate electrode portions distribute solder flow to prevent displacement and short circuits at high temperatures.

Variable dead time in a resonant converter maintains zero-voltage switching while preventing excessive power delivery at light loads.

A multi-mode buck-boost regulator adjusts current loop gain and compensation networks during mode transitions.

A voltage source converter synthesizes driving commutation voltage to manage current switching between diagonal pairs.

An active clamp power supply reduces light load consumption by alternating switching periods with stop intervals based on feedback voltage.

Prevents switch destruction under light loads by detecting winding voltage polarity and forcibly turning off the switch before resonant current inversion.

A modular multilevel dual-active-bridge converter uses periodic zero-voltage switching to minimize energy loss during power conversion.

A power supply merges power factor correction into a full bridge converter using shared switching elements and transformer resonance.

A multi-sense point voltage regulator system monitors local voltages across an integrated circuit die to generate a stable regulated output.

A single stage boost-asymmetric LLC converter uses combined PWM and FM to drive a main transformer for voltage regulation.

Controller senses oscillation waveform to adaptively adjust synchronous rectifier turn-off timing in isolated power supplies.

Third harmonic regulation in the PFC circuit reduces stored energy requirements, enabling film capacitor replacement for extended lifetime.

Dynamic parameter adjustment optimizes voltage regulator efficiency across full load ranges, reducing power loss at lighter loads.

A DC-DC converter control circuit adjusts the on/off duty ratio of burst mode operation to enhance driving efficiency during light-load conditions.

A resonant inverter lowers switch element operating voltage by tuning the secondary resonance frequency to a specific range relative to the driving frequency.

Dynamic mode switching reduces quiescent current in smart IPstages while maintaining FET driver readiness for rapid response to PWM signals.

A boost PFC controller monitors inductor current timing to distinguish cold start conditions from overvoltage faults.

A LED converter adjusts primary-side current targets using secondary voltage feedback to regulate output.

A regenerative drive controller balances upper and lower DC bus voltages using unipolar modulation techniques.

A single pin multi-VID interface circuit decodes voltage identification signals to control DC/DC converter output levels.

A controller manages relay starting sequences to reduce arc discharge frequency at contacts.

A consolidated electrical circuit eliminates transformer redundancy and standby power waste in consumer electronics.

A transformer uses a current induction device to detect load current and generate control signals for precise power regulation.

A 3-level UPS topology uses zero voltage switching to minimize energy loss during converter and inverter transitions.

A switching regulator adjusts pulse generation timing based on load conditions to optimize response speed and minimize current consumption.

A Power Control Module generates a modified control signal proportional to input power using feedback and voltage signals.

A power controller implements burst-mode operation in LLC resonant converters by alternating high-side and low-side switches between work and break periods.

Segmented inductor charging reduces switching losses while maintaining high power handling capability in compact electronic devices.

A voltage resonant inverter uses a secondary resonant circuit to absorb returning energy during negative output voltage regions.

A voltage regulation system detects external inductor presence via comparator logic to select the appropriate regulator mode.

A secondary side reflux circuit diverts load current to enable zero volt switching in power converters.

Phase-lock circuit reduces drive pulse width via feedback to lower power losses and EMI.

A multipurpose power supply circuit generates four distinct output voltages to drive various high-power transistors.