Dc-Dc Conversion TRIZ Cases

A driving device uses a resistor to speed up transistor rising time and extend the controllable duty-ratio range.

A controller measures feedback voltage changes over time to determine the rate of change and transmit a fault indication signal.

A regulated switching converter uses a dynamic compensation network to accelerate error voltage recovery.

An adaptive current reversal comparator adjusts offset voltage to synchronize synchronous transistor switching with inductor current reversal.

A hysteretic control conversion circuit employs a negative feedback module to clamp output voltage, eliminating errors from parasitic series resistors.

A differential hysteretic comparator circuit simultaneously monitors output voltage and load ground potential to enhance signal integrity.

A phase frequency detector aligns a narrow sampling window with the turn-on signal midpoint to capture accurate inductor current.

A PWM controller dynamically enables or disables driving circuits based on load capacity to balance operational stress.

Average current mode control with parabolic slope compensation decouples output power from boost voltage to prevent subharmonic oscillations.

A current output circuit holds peak load voltage via a detector to prevent oscillation from noise and signal fluctuations.

Analog current mirror circuit modulates phase ON-times to balance multi-phase converter currents.

Controller distinguishes transient inrush current from sustained faults using dynamic thresholds to prevent unnecessary circuit shutdowns.

A windowless H-bridge buck-boost converter uses logic circuitry to manage mode transitions between buck and boost states.

Soft-start module pre-charges output capacitor to prevent inrush currents that damage components and cause voltage drops.

Feedforward clamping stabilizes current differences without feedback oscillations, reducing settling time and improving accuracy.

A DC-DC power supply control circuit uses a voltage stabilizing diode and transistor network to manage enable signals.

A flyback converter uses a comparator and error amplifier to adjust switching times.

Merging high-side and low-side converters eliminates the isolation barrier, reducing structural space and costs.

A modular power supply circuit segments high-voltage DC conversion into multiple stages to reduce transformer size and heat loss.

Alternating high-ohmic and low-ohmic driver outputs protects MOSFETs from hard commutation damage while maintaining switching efficiency.

A PWM regulator recovers energy from transformer leakage inductance voltage spikes, limiting transistor stress while eliminating snubber dissipation.

Adaptive clock frequency adjustment resolves slow transient response by dynamically modifying inductive current during load changes.

An adaptive compensator generates a current based on input and output voltages to adjust switch operation in power converters.

Integrating driver units with power switches on a shared semiconductor substrate reduces parasitic noise generation in power management chips.

A power conversion device adjusts duty commands using estimated phase currents derived from a sampling cycle distinct from the carrier wave frequency.

A switching regulator circuit uses a single transistor to operate in both switching and passive modes via controller logic.

Coarse feed-forward compensation rapidly adjusts duty cycle upon detecting input voltage transients, reducing output voltage ripples and improving stability.

An automatic zero voltage switching mode controller adjusts dead-time in Class D converters to prevent shoot-through currents and minimize heat losses.

Tunable resistor circuit adjusts resistance values to maintain stable output currents despite Process Voltage Temperature variations.

A resistor bypass discharges residual energy to prevent open circuit voltage damage without adding non-return valves.

A buck-boost regulator controller manages output voltage within a predetermined window to enable direct pass-through operation.

Test controllers drive switching circuits to assess ideal diode status, resolving the trade-off between power efficiency and fault detection.

A buck switcher shares a single inductor to generate boost voltage without adding series-coupled switches.

A photovoltaic inverter system regulates the DC link voltage to accommodate high open-circuit voltages from solar arrays.

A bootstrap circuit charges an output capacitor to compensate for leakage without reducing the main output voltage, preventing loop breakage.

Active line filter regulates input current to a set DC level, attenuating ripple current above 30 dB for cryocooler power systems.

Dynamic pulse width adjustment prevents abnormal peak current increases and reduces electromagnetic interference in single-inductor dual-output power circuits.

A group IV control switch cascodes with a depletion mode group III-V transistor to enable enhancement mode operation.

Voltage superposition circuit adds compensation voltage to sensing signals, enabling accurate overpower protection across varying output voltages.

Dynamic series-parallel reconfiguration reduces charging time for capacitive loads while maintaining manageable device complexity.

An adaptive reference correction mechanism iteratively converges actual AC side signals to desired values, resolving instability under varying loads.

Dynamic switching frequency adjustment increases surge power delivery without transformer saturation or short-circuit damage.

Dual-mode feedback control in DC/DC converters switches between linear and non-linear operation to manage output voltage stability.

Parallel power switches with distinct gate widths resolve fixed-width efficiency drops by minimizing capacitive and resistive losses across broad load ranges.

Emulated flywheel current injection replaces physical resistance in feedback paths, eliminating energy losses and reducing output voltage ripple.

A charging device reduces standby power loss by switching energy supply to secondary windings via a pulse width modulation module and second voltage regulator.

Redundant monitoring circuits detect feedback signal validity across isolation barriers, suppressing high-voltage excursions during startup faults.

A buck-boost converter controller selects operation modes by monitoring inductor current duration, eliminating complex analog comparators.