Dc-Dc Conversion TRIZ Cases

Directly coupled inductors merge power-switching phases, reducing physical footprint and eliminating complex current sensing requirements.

A digital voltage regulator system uses self-calibrated threshold monitoring to detect power supply droop and adjust the system clock.

A switching regulator uses adjacent wiring portions carrying opposite currents to reduce effective inductance.

A digital pulse frequency modulation system adjusts control signal durations to minimize inductor current ripple variations during high-frequency switching.

A DC-DC converter forms a permanent current path between solar modules and the intermediate circuit during transitional phases.

Integrating sense voltage over a switching period generates an input sense voltage that maintains constant input current and reduces zero crossing distortion.

An asymmetric controller adjusts duty-cycle phase angles and current allocation across multiple converter stages to improve overall power conversion efficiency.

A two-stage power converter uses a PVT compensation circuit to adjust output voltage or clock frequency, mitigating efficiency loss from process variations.

A secondary voltage regulator supplies extra current during turbo mode, reducing the need for bulky output capacitors and oversized primary regulators.

Integrating a current meter into the PMIC supplies real-time load current information, enabling dynamic power management and reducing thermal throttling.

A switching mode power supply uses a sense capacitor to combine real and virtual current signals for controller feedback.

An auxiliary circuit with a capacitor and diode provides stable voltage to the control signal generator, reducing power dissipation from linear regulators.

A power adapter converter unit switches between step-up and direct transmission modes based on real-time voltage detection to prevent over-current damage.

Parallel boost converter modules adjust input signals to increase output current without enlarging inductors.

A power conversion apparatus monitors PWM duty cycle and current sensing voltage to stop switching during abnormal feedback conditions.

Adjusts inductor current limit reference via previous duty cycles to prevent subharmonic oscillation and stabilize operation.

A current-mode switching regulator uses a slope compensation unit to generate a signal proportional to the inductor current falling slope.

Multi-input voltage converter uses segmented transformers to maintain optimal efficiency across varying input voltages while reducing circuit size.

Dynamic skew control minimizes shoot-through currents by equalizing dead times, resolving efficiency losses from drive circuit asymmetries.

A minimum pulse-width assurance circuit extends narrow pulses using logic and one-shot feedback paths to maintain signal integrity.

A flyback converter generates a negative base voltage using an enhanced winding configuration to control high-side switches in inverters.

An intermediary circuit with a parallel capacitor and series resistor transforms weak output voltage ripples into detectable signals, improving DC regulation.

A buck-boost converter uses a ripple emulator circuit to generate hysteretic control signals for precise voltage regulation.

Segmenting parallel generation from serial conversion lowers clock frequency requirements while enabling flexible protocol support.

A voltage converter introduces a supplemental voltage step to overdrive the switching regulator and accelerate output transitions.

A one-shot device generates precise pulse width modulated signals using coarse and fine control inputs.

A DC-DC converter uses a ripple signal generator to produce in-phase signals for stable operation.

Processing circuits control monitoring units to perform built-in tests, preventing unexpected shutdowns caused by undetected internal failures.

A power supply controller disables up conversion control to stabilize primary voltage generation during battery voltage fluctuations.

A ladder-based switch regulator uses multiple comparators to control pass elements for fast voltage regulation.

Parallel transistors with varying widths manage switching dynamics to reduce voltage ringing at the switch node while minimizing power dissipation.

Peak detection circuits power series-connected switches, reducing thermal dissipation across wide voltage ranges.

A hysteretic power converter synchronizes switching frequency by injecting a periodic disturbance signal into the feedback network.

Variable ON period timer detects sudden load changes and adjusts pulse width to resolve the trade-off between noise immunity and rapid current response.

A wide bandgap isolated converter circuitry drives switching components to generate high power density DC output.

A compensation circuit generates a profile current to counteract load capacitor recharging.

Oversampling input and output voltages suppresses ripple while feed-forward signals eliminate feedback delay for precise regulation.

A dual constant time switching regulator extends ON time dynamically to maintain stable output voltage during rapid load changes.

A DC voltage converter adjusts coil inductance via a control winding to maximize energy transfer efficiency across varying load conditions.

Delaying the latch set signal against the slope voltage start reduces the minimum pulse width, enabling wider input voltage step-down ranges.

A p-type iridium oxide channel layer on a gate electrode side wall enables efficient high-voltage operation in gallium oxide semiconductor apparatuses.

Automated controller measures input DC and output RF power to dynamically adjust supply voltage, eliminating manual setup while maintaining waveform integrity.

An upward convex average positive charge density curve in the super junction structure reduces switching irregularities and feedback capacitance.

A PWM short circuit protection circuit uses a frequency multiplexer to switch switching frequencies during fault events.

A spread spectrum PWM controller modulates switching frequency to distribute energy across a wider bandwidth.

Primary side regulation eliminates optocouplers by sensing reflected current, resolving bandwidth and reliability bottlenecks.

Dynamic mode selection reduces switching losses by limiting active PWM switches, maintaining over 90% efficiency when input and output voltages are close.

A phase reconfigurable switching power supply uses multiple inductive elements to optimize electrical performance.