Efficient Power Electronics Conversion TRIZ Cases

A controller adjusts inverter frequency to match plasma generator resonance, maintaining stable power delivery.

A power circuit adjusts drive signal frequency to handle rapid load changes.

A shift register unit uses a switch circuit to dynamically control auxiliary transistors for temperature adaptation.

Bridgeless power factor improvement converter uses dead time control to manage node voltage shifts during AC zero-cross transitions.

Symmetrical interleaving of multiple transformers and rectifiers around common output capacitors balances electrical paths.

A switch controller uses a zero current prediction unit to maintain high-side and low-side switches in a turn-off state during unstable voltage conditions.

Self-biased buck regulator uses a flying capacitor and low-voltage diode to generate bootstrap voltage.

Alternatingly-switched parallel circuit reduces conduction losses by segmenting bridge arms and distributing current across multiple paths.

A power converter uses a series resonant circuit with an auxiliary diode to enable zero-voltage switching.

A power supply controller calculates a compensation value based on output capacitance and voltage change rate to adjust control signals.

A switching regulator adjusts its upper current threshold based on the number of current pulses in each burst to maintain output voltage stability.

A fly-forward switched mode power supply uses a single secondary winding to provide a common current path for forward and flyback phases.

A buck converter circuit adjusts minimum off-time proportionally to duty cycle to maintain fixed switching frequency in pulse frequency modulation mode.

Segmenting the primary winding into series-connected segments reduces conversion losses and system volume compared to cascaded multi-stage converters.

A lighting system device synchronizes power factor correction modules with operational states to minimize energy waste.

Segmenting main regulators with ultra-low-power switched capacitor converters minimizes leakage while maintaining voltage stability during standby.

An integrated transformer merges a power factor correction inductor with primary and secondary coils on a shared magnetic core.

High-frequency switching in the switch converter maintains stable average voltage without chopping, achieving conversion rates above 90%.

A power supply controller segments output capacitance to manage voltage levels through PWM switching.

Capacitor-diode-transistor circuit generates pulse signals for zero-crossing detection.

A power conversion system uses a dedicated start-up circuit to pre-charge flying and output capacitors before main operation begins.

A DC-DC converter adjusts switching frequency based on output voltage to maintain high efficiency across varying loads.

A power factor correction circuit adjusts switch-on time based on capacitor voltage to regulate current flow.

A power switching system selects pulse width modulation or pulse frequency modes based on real-time signal quality and load demand.

A dual output controller generates common mode and differential mode signals to linearize control inputs for resonant converters.

Segmented ground electrode pattern with narrow bridge absorbs magnetic flux to prevent switching noise leakage from the ground line.

A control circuit adapts switching modes to maintain accurate sense voltages during power conversion.

A multi-phase switching power conversion circuit uses a symmetrical resonant network to manage output voltage and current ripple.

A power converter operates as a virtual synchronous generator using phase estimation for single-phase systems.

A PFC boost converter disables during light loads to pass rectified input directly to a DC-DC stage.

Synchronized periodic action reduces DC link capacitor size while maintaining stable output voltage and lowering leakage current.

A battery saver mode dynamically adjusts device features based on remaining energy levels.

Primary-side regulation via reflected voltage sensing eliminates opto-couplers, reducing size and cost while lowering output voltage at light load.

Parallel primary windings in resonant switching power sources reduce effective current through individual transformer coils.

Dynamic thresholds anticipate load transients to prevent output voltage undershoot and limit ripple magnitude in hysteretic buck converters.

A synchronous rectifier controller uses current sense thresholds to manage minimum off time timers and prevent false triggering.

A switching converter adapts output voltage levels using distinct comparators for run and sleep modes.

A power control system detects overcurrent events using output voltage and power utilization factors without sensing output current.

An auxiliary winding provides proportional voltage signals filtered by peak detectors to reduce ripples and improve power factor in primary side regulators.

A buck converter design transitions power supply domains to reduce quiescent current drawn from the battery source.

A power supply replaces electrolytic capacitors with film capacitors and uses a control circuit to detect pulsating DC voltage peaks.

A synchronous rectifier controller varies the active voltage level of the drive signal using a clamp voltage generator circuit.

A PFC signal generation circuit adjusts switch timing based on zero current detection to maintain stable phase difference between control pulse signals.

A power converter uses a dead time mechanism to prevent simultaneous switch conduction.

Secondary-side controller IC induces dynamic detection signals on primary windings, resolving output voltage undershoot during low load conditions.

Segmenting the power supply with a power factor correction unit reduces laser oscillator size and manufacturing cost.

A power supply controller switches between synchronous and asynchronous modes to optimize current flow paths.

A switching regulator control circuit adjusts compensation voltage to manage duty cycle during peak current mode operation.

A jitter inducer alters peak current sensing to spread switching frequency, resolving EMI concentration at specific frequencies.

Hybrid event and time driven control reduces power consumption while improving response and settling times in digital low drop-out regulators.