Efficient Power Electronics Conversion TRIZ Cases

A controller minimizes power loss in switched-capacitor converters by adjusting gate drive voltage based on input voltage and output current.

A DC-DC converter manages power voltage transitions using controlled precharging to maintain stable output levels during mode switching.

Secondary load detection generates an alert signal for primary-side control, minimizing voltage drops during dynamic load changes.

An adaptive insulating DC/DC converter provides stabilized voltage and galvanic isolation for modular LED driving circuits.

A primary side control power supply controller adjusts switching frequency via auxiliary winding feedback to regulate output voltage.

Predictive analysis of independent switching legs balances capacitor voltages while minimizing harmonic distortion and computational complexity.

Replacing transistor switching with electromagnetic induction suppresses power loss and electromagnetic noise during high-frequency signal transmission.

A controller uses a shared current-sense device to sample switched terminal signals for interleaved boost regulators.

Disabling synchronous rectifiers before current zero-crossing reduces electromagnetic interference while maintaining power supply efficiency.

Flying capacitors in a hybrid converter reduce inductor current ripple, improving efficiency at small voltage ratios.

Dual control modules switch dynamically to reduce quiescent current and extend battery life in IoT devices.

A rectifier circuit manages current flow through voltage comparators and switching units to enable high-frequency operation.

A free-running oscillator circuitry generates adjustable frequency signals to drive switching elements in a synchronous buck power converter.

A bridgeless power factor corrector uses a single choke element and dual switches to perform rectification without bridge diodes.

A synchronous rectifier controller manages turn-on and turn-off thresholds to reduce body diode conduction losses in discontinuous current mode converters.

Measuring transformer direct current allows a controller to adjust diagonal dead times, preventing saturation from asymmetrical bridge operation.

A power converter topology uses matrix integrated magnetics with a current multiplier rectifier to reduce switching ripple and core losses.

A boost converter clamps output diode voltage via a dedicated unit to lower element stress.

A gate driver circuit modulates control signals using voltage and current time derivatives to optimize switching transitions.

LC resonant circuit enables zero crossing switching to reduce energy loss and prevent component breakdown.

A resonant DC/DC converter adjusts turn-on frequency and duty ratio to stabilize output voltage.

Dynamic slope adjustment minimizes ineffective switching regions and audible noise while maintaining efficient energy transmission.

A single isolation device carries feedback signals to a controller that manages power switches.

Subtraction circuit cancels TON/T(θ) term in current sense signal, ensuring sinusoidal primary current draw and reducing THD.

A constant voltage constant current control circuit manages flyback switch operation using direct electrical feedback signals.

A flyback controller uses an offset corrector to compensate for switching delays in the primary peak current circuit.

Adaptive burst generation adjusts switching pulses per cycle based on load levels, preventing audible noise while improving light load efficiency.

An inductor between bypass capacitors sets a resonance frequency below the switching frequency, suppressing noise amplification from parasitic inductance.

A switching converter uses a voltage regulation stage to set target voltages across the input stage before main switching events.

A synchronous switching regulator integrates rectification with regulation to generate pulse signals for efficient power conversion.

A DC converter controller measures inductance currents to enable passive commutation via zero crossings.

A driving circuit generates reference voltages based on operating frequency to control field effect transistor switching states.

A switching regulator controller estimates capacitor current from sampled inductor data to adjust PWM signals.

Asymmetric dual bridge arms in a bridgeless PFC circuit lower on-state loss under low voltage full load by combining fast switches with slow-recovery diodes.

A switching mode power supply branches current to a dummy resistor only when needed, minimizing standby energy consumption.

A detecting circuit converts current flowing into a boot voltage input pin into a detecting voltage to generate an adjusting signal for control parameters.

Dynamic charge rate adjustment shortens the Miller period and suppresses surge voltage, reducing switching loss in mass-produced switches.

VCO and frequency divider split complex poles to reduce output voltage overshoot during load transients.

Cycle-by-cycle predictive control detects voltage minimums and compensates for timing errors to reduce switching losses and electromagnetic interference.

A switching circuit directs current between an inverter and a power factor correction stage.

A multi-output power supply device uses a single smoothing inductor with individual FETs to adjust current for each output terminal.

Sensors detect user approach to transition a computing device from hibernation to active state, reducing resume latency.

A DC-DC converter uses full-bridge circuits with a control circuit to perform soft switching operations.

Modular control units divide the converter into segments, optimizing device utilization and reducing heat loss during 2:1 voltage conversion.

A fold-back circuit monitors low-side transistor voltage to detect parasitic body diode current in switched mode power supplies.

A two-stage power supply module positions the second stage under an integrated circuit chip to reduce mainboard space occupation.