Dc-Dc Conversion TRIZ Cases

A voltage switching system uses a handover module to adjust regulator bandwidth during mode transitions.

Adaptive digital controller regulates secondary output voltage using primary-side current sensing to drive a BJT power switch without external line voltage feedback.

Segmented peak and average current protection manages inrush charging for large capacitors, preventing operation suspension.

An integrated power management apparatus combines a processor and booster to manage voltage paths within a single housing.

A VPP pumping circuit uses tripler and doubler stages to boost voltage levels efficiently.

A configurable power converter adjusts output voltage and current by switching isolated DC-DC converters between series and parallel topologies.

A control circuit monitors inductor current thresholds to regulate switch timing during power conversion cycles.

Adding a DC offset voltage during the main switch on-time enhances signal-to-noise ratio, eliminating leading-edge spikes that cause unintended pulse skipping.

A dual-bridge topology with small link capacitors suppresses double frequency harmonics without electrolytic components, improving reliability.

A computation circuit derives internal DC resistance from duty cycle and voltage signals to calculate converter efficiency.

A voltage conversion apparatus tunes output frequency using a delay circuit that adjusts signal timing based on a modulating signal.

Primary-side control via an auxiliary winding eliminates optical couplers, reducing power losses and component costs in flyback converters.

Merging dual DC inputs via a single switching element reduces component count, weight, and energy losses in photovoltaic inverters.

A DC-AC converter uses pulse density modulation to generate sinusoidal output directly from a single power stage.

A power conversion device cancels leakage currents using compensating currents generated via reactors and ground capacitors.

A zener diode dissipates stored magnetic energy to create a voltage pulse, enabling accurate short position identification without complex current measurements.

Monitoring current amplitude and direction isolates faulty power sources, preventing system-wide shutdowns during over-voltage conditions.

A switching device diffuses drive pulse harmonics using variable leading and trailing time intervals to reduce noise energy levels.

A switched-mode power supply uses a random number generator to spread clock frequency and reduce electromagnetic interference.

A low drop-out voltage regulator circuit uses a combined compensation scheme to enhance frequency stability and transient response.

A bypass circuit routes power directly to the load when voltage is low, skipping the boost converter stage.

Dynamic cable drop compensation scales offset voltage signals by output voltage and current ratios to maintain precise power delivery across varying load conditions.

A control circuit manages semiconductor duty cycles to maintain output voltage below input levels.

A power converter controller adjusts switching duty cycles based on monitored current polarity to optimize energy conversion efficiency.

Alternating magnetic circuit modes reduces flux ripples, enabling high-saturation Fe-Si materials that minimize iron losses.

A switching power supply uses a secondary-side voltage detecting circuit to adjust feedback signals during standby mode.

A control circuit generates a self-holding signal to maintain power supply after touch input release.

Narrow-range duty cycle adjustment with output feedback maintains stable output voltage while simplifying circuit design.

A planar transformer with a single secondary winding generates asymmetrical bipolar alternating voltage for gate drivers.

A battery assembly uses a controller to adjust converter parameters based on device requirements.

Segmenting conversion between a DC converter and transformer reduces system size while maintaining equal current sharing across parallel batteries.

A soft-start switching power converter uses a control circuit to adjust resistance levels during operation.

A transformer flux controller monitors magnetic flux to maintain or reverse polarity via switch devices.

Independent control of high and low side switch duty cycles ensures monotonic voltage startup, preventing undershoot and overheating in pre-biased converters.

A multiphase converter balances phase currents by sampling input current at a common node and adjusting switching intervals.

Automatic bandwidth control system adjusts error amplifier transconductance gain to match switching frequency changes.

A DC-DC converter timing signal generating circuit produces a PWM signal using a correction voltage derived from input and output voltages.

A power conversion system maintains constant DC voltage by compensating capacitor voltage variations during device stoppages.

A slope rate compensation circuit generates a constant increasing signal proportional to the duty ratio using a source follower level-shift amplifier.

Dynamic discharge control counters voltage rise during communication pulses, ensuring stable output regulation in flyback converters.

A digital auxiliary feedback path transmits multiple fault conditions through a single optocoupler in isolated power systems.

Lookup table maps supply voltages to control signal set values, eliminating feedback circuit costs and improving responsiveness.

Segmenting the transformer core allows partial saturation to trigger switching, reducing energy consumption and current spikes during light loads.

A buck-boost mode controller determines switching duty cycles based on control signal thresholds to regulate output voltage.

A mode control device generates switching signals using inductance current detection to manage voltage converter operation states.

A buck converter controller uses a modification circuit to generate correction signals that adjust comparator operation.

A switching power supply uses delayed signals across parallel inductors to shape combined current frequency response.

Offset ramp voltage generates linear PWM transitions in a buck boost converter, eliminating voltage overshoot and undershoot during mode switching.