Dc-Dc Conversion TRIZ Cases

A ripple suppressor circuit stabilizes output voltage using edge-triggered sampling of peak and valley values.

A power converter circuit generates a correction current to reduce slope compensation errors in the control loop.

A power supply control device switches between boost and step down controllers to regulate output voltage.

A power circuit uses a fifth switching element to discharge inductor energy during shutdown.

Parallel auxiliary windings reduce cross regulation in multi-output transformers, stabilizing voltage under unbalanced loads.

A power supply circuit applies elevated gate and back gate voltages to PMOS transistors during sleep mode.

Multiple cold plates conduct heat from power magnetics devices into a shared coolant reservoir, preventing thermal failure and efficiency loss.

A PWM controller uses a two-level limiter to generate distinct limit signals for high-line and low-line input voltages.

A phase doubler driver circuit uses dynamic PWM signal routing to balance currents between output phases.

Dynamic threshold adjustment via current injection stabilizes control loops in pulse frequency modulation converters without increasing output capacitance.

Segmented converting units boost voltage via phase-shifted clocks, maintaining stable output under high current loads.

An external inductor and conduction element supply the control circuit during startup, eliminating a high-voltage extraction module that increases complexity.

A Delay Locked Loop modifies the zero current detector output via a Voltage Controlled Delay Line to eliminate energy losses from non-zero inductor currents.

Controller turns off OR-ing transistor during unloading transient to suppress output voltage overshoot and achieve rapid current ramp-down.

Frequency control module configures switching frequency based on input voltage indication, reducing switching losses while maintaining dynamic response.

Multi-stage frequency control reduces electrical stress and audible noise during startup by varying frequencies through a dedicated transition phase.

Segmented gate electrodes eliminate charge over accumulation regions, lowering switching losses in voltage regulators.

An over-power compensation circuit dynamically adjusts current sense thresholds to regulate power delivery in switched mode power supplies.

Dynamic crossover frequency control resolves the stability versus loop response time trade-off in DC/DC converters by adapting gain to switching frequency.

Secondary switch control circuit detects load changes during discontinuous conduction periods in switching mode power supplies.

A power supply controller uses a single input terminal to detect over-voltage and over-temperature conditions via a zener diode and NTC resistor.

A measurement system estimates inductor current using parasitic resistance and filtering modules.

An active electromagnetic interference reduction circuit regulates voltage across a current source to maintain constant average converter current.

A power converter controller adjusts drive signal magnitude to slow switch transitions and lower electromagnetic interference.

A multiphase DC-to-DC converter uses a current detector circuit to adjust duty cycles across phases.

A PWM clock generation circuit modifies window voltage to reduce pulse delay during load step transients.

Auxiliary winding voltage generates a pseudo current sense signal for the power supply controller.

A third transformer winding powers the secondary control circuit during startup, ensuring reliable operation when output voltage remains insufficient.

Segmented switching stages with dedicated decoupling components reduce circulating currents and parasitic effects while simplifying control logic.

AC-coupling circuits remove DC offsets from current feedback signals, ensuring accurate voltage regulation stability in DC-DC converters.

A power conversion device adjusts driving resistor resistance to control transistor conduction time and switching current.

Phase hopping in power converters reduces electromagnetic interference peaks without increasing switching loss or device complexity.

Segmented low-voltage DC circuits enable simultaneous parallel operation, resolving insufficient output power and lack of pulse function in traditional systems.

Adaptive on-time control maintains constant switching frequency while delivering fast transient response, simplifying EMI filtering design.

Duty cycle detection triggers period adjustment in switching regulators, extending input voltage range while maintaining reliable switching operation.

A power control circuit uses a single pin with an internal current source to generate a time-dependent set voltage for over current protection.

Dual timer circuits modify charging currents to resolve the contradiction between high delay precision and low circuit complexity in switching converters.

A voltage output circuit disables when operational voltages reach desired levels to reduce power consumption.

Parallel step-down converters ensure equal current contribution during energy feedback, reducing losses in high-bay warehouse drives.

A scaled transistor replica monitors high-side FET current, reducing electrical losses from voltage drops.

A pulse skip circuit masks clock signals during overcurrent events to prevent switching operation breakdown.

Embedding a p-type oxide shield deeper than the gate reduces reverse leakage current in gallium oxide devices, solving manufacturing reliability trade-offs.

Dynamic detection voltage thresholds prevent overcurrent activation while reducing output voltage ripple in boost converters.

Controller segments high voltage switching from low voltage control using transistors to reduce manufacturing cost and enable quick start-up.

A parallel power supply system uses individual controller voltage droop to balance load distribution across multiple units.

A power converter controller adjusts output current via reference voltage thresholds to maintain stable line and load regulation.

A power converter system randomizes delayed comparison signals to control inductor current during charging and transfer states.

Open detection circuit detects open feedback terminal and adjusts reference voltage to keep transistor in OFF state, preventing abnormal output voltage damage.