Dc-Dc Conversion TRIZ Cases

A digital delay-locked loop controls switching signals in a synchronous DC-DC buck converter to manage dead time and frequency.

Digital counter logic ramps activation voltage to mitigate inrush currents during power supply initialization without adding external feedback loops.

A pulse frequency modulating circuit adjusts enable time based on logic state changes to stabilize output voltage.

A magnetic core with a thin part and thick part reduces coil turns in self-excitation push-pull converters.

A multiphase synchronous buck converter blanks current sense signals during transistor switching events to eliminate noise interference.

A digital control module regulates duty cycle and switching frequency in switch mode power supplies.

A frequency converter locks a DC/DC converter switching rate to an oscillator signal.

A power supply switching circuit uses differential control signals to isolate multiple voltage sources at a single output node.

A constant current high-voltage power supply detects leakage currents to adjust DC voltage output and control power delivery.

Charge pump transmits energy and data bidirectionally using coupling capacitance modulation.

A bias supply transformer modulates secondary voltage levels to transmit data across an isolation barrier without opto-couplers.

Dithering the oscillator signal prevents load synchronization, balancing currents and mitigating thermal runaway in multi-phase buck converters.

Bidirectional switch using reverse-blocking insulated gate bipolar transistors with active gate drive signals suppresses leakage current under reverse voltage.

High side switching device reduces silicon area by eliminating extra power devices while preventing unwanted conduction during boost mode transitions.

A voltage regulator controller switches between switching and linear modes to manage power regulation efficiently.

Modulating the switching frequency spreads input power across multiple frequencies, reducing peak conducted noise without adding passive filters.

A PWM signal generator uses a delay circuit and selector to produce output signals based on digital values.

A voltage regulator module uses a single capacitor to generate time-averaged signals.

An over-voltage comparator and shutdown circuit monitors primary winding voltage to limit output levels.

Monitoring circuitry controls pass devices to isolate faults, preventing thermal dissipation and current drain during sustained short-circuits.

A hybrid power converter switches between switching and linear control regions to optimize efficiency across varying load conditions.

Scaling circuitry generates a reference current from DC-DC converter inductor peak current to charge a capacitor for load measurement.

Wired-OR synchronization bus connects parallel power supply apparatuses for noise-free switching control.

A slope compensation peak detector adjusts clamp voltage to cancel current limit errors caused by high duty cycle operation.

Segmented half-bridge legs reduce switching losses and harmonic content by limiting individual switch voltage ratings.

Pulse width adjustment circuits enable smooth parameter changes during mode transitions, reducing power loss and simplifying system design.

A DC-DC controller adjusts PWM duty cycles via an override signal to manage load transients.

A multiphase interleaving converter control method activates all phases simultaneously to address load transients.

A switch mode power supply control circuit regulates output voltage by turning off the first switch for a predetermined time period.

A slew rate regulation circuit controls supply rail voltage transitions during power source switching to maintain system stability.

Converting means stabilizes reference potential by generating a predetermined output voltage, avoiding fluctuations caused by negative side insertion.

A predictive current feedback system adjusts hold signals to track inductor current levels accurately.

A switching converter control device uses an integrator circuit to regulate output voltage average values via transconductance amplification.

A pulse width modulated circuit generates signals with minimal pulse widths using a precharged ramp signal.

Dynamic parameter selection resolves the speed-reliability trade-off by suppressing overshoot and ringing while reaching target currents quickly.

Dynamic multi-mode control reduces required output capacitance while maintaining tight voltage regulation during high-current transients.

Symmetrical buck converter topology reduces electromagnetic interference and component stress while achieving 99% efficiency.

Protection circuit for power converters without input capacitors uses high voltage switches and detection circuits to regulate switching signals.

An auxiliary winding drives transistors via a pulse generating circuit, eliminating expensive PWM ICs and reducing device complexity.

Secondary-side control-loop processing generates a switching indication signal that reduces feedback distortion and improves power regulation accuracy.

A flyback power converter uses a multi-function detection pin to execute AC input voltage sensing and over temperature protection.

A level shifter adjusts cascode gate voltage based on load current to normalize voltage drops, preventing regulator output collapse at high currents.

A regulator IC soft start circuit gradually charges capacitors to delay error amplifier activation.

Dynamic inductor current limiting adapts upper bounds to switching periods, balancing power conversion efficiency against output voltage stability.

A control circuit adjusts the pulsewidth modulated drive signal duty cycle based on sampled output voltage feedback to stabilize power delivery.

Configurable switched mode power converter with controller manages multiple switch configurations to regulate output voltage.

A voltage pre-regulator circuit uses dynamic switching frequency control to adjust input voltages in a quasi straight-through state.