Dc-Dc Conversion TRIZ Cases

A DC/DC converter controller maintains a constant duty cycle difference between buck and boost sections.

A power converter circuit extends charge cycles using uncompensated inductor current comparisons to enhance voltage regulation accuracy.

A peak-delivered-power controller monitors output voltage and current to dynamically adjust the duty cycle of a voltage regulator.

A switching AC-DC power converter adjusts its frequency based on measured output electrical quantities to reduce conduction and switching losses.

A fuel cell converter uses differential output limiting based on thermistor data to optimize reactor performance.

A bi-directional AC/DC converter uses a neutral voltage lift capacitor to enable single-stage power conversion.

Calculating capacitor current from inductor and output measurements enables faster transient response without direct sensing hardware.

Segmented AC feedback loops suppress overshooting variations during high-speed current changes without increasing power consumption.

A switch-mode power supply controller adjusts output current via feedback signals to manage startup conditions.

A power supply circuit trims output voltage using existing enable and feedback pads without extra trim terminals.

Segmented inductors reduce self-inductance while maintaining current ratings and isolating secondary energy storage during faults.

An integrated PWM controller merges startup bias generation with primary side transistor driving.

A transistor switch control circuit generates a delay signal with adjusted pulse width to manage low-side transistor timing.

A switch-mode power supply controller measures feedback voltage charging time to set a timer value.

A line compensation circuit adjusts power supply output current limits using a compensation capacitor to sense inductor current slope.

A regulator circuit generates voltage from input current to power functional circuitry that produces a signal for isolation.

Dual differential amplifiers replace Zener diodes to reduce power losses in submarine optical amplification systems.

Current-based mode selection eliminates voltage comparator latency, enabling accurate extreme duty cycles and reducing output ripple in the transition region.

An RC sampling circuit minimizes current flow through the feedback path, ensuring stable voltage output despite varying load resistances.

Dynamic slope adjustment reduces operational jitter and sub-harmonic oscillations at the 50% duty cycle point in DC-DC converters.

A power converter controller generates gate signal jitter to reduce electromagnetic interference peaks.

Control circuit reduces output current when voltage drops below a threshold to prevent battery over-discharging damage.

A switching control circuit adjusts gate signal timing to minimize derivative differences in drain voltage.

Time-sharing a single inductor between buck and boost converters reduces circuit board space and component costs.

A voltage boost circuit shifts node voltages using capacitance and clock signals to generate levels beyond supply rails.

A single transformer gate driver amplifies and transmits pulse width modulation signals to high-power switching devices.

A power converter adjusts transformer switching frequency via secondary side voltage signals to enter energy-saving mode.

A single controller device configures separate digital filters to regulate multiple outputs independently.

Flyback controller samples output voltage at a fixed time during the secondary flyback decay period using an auxiliary winding.

A step-down conversion circuit assembly uses a heat dissipation element and fan to move thermal energy from the enclosed space.

Variable on-time generator extends timing periods to limit switching frequency and reduce power loss in constant-on-time converters.

A switching regulator control circuit reduces frequency to maintain output voltage during abnormal conditions.

A DC/DC power supply system with parallel converter units uses a monitoring unit to detect connection states and adjust output setpoints.

A converter control device adjusts drive phases to manage power flow between a secondary battery and a fuel cell.

Balanced hysteretic control dynamically adjusts peak and valley currents through an inductor to maintain average output.

Segmenting the converter into modules minimizes self-inductance and insulation stress while reducing high-frequency switching losses.

A controller reduces peak output current by lowering DC bus voltage and increasing inverter duty cycle during high-load transients.

A power supply apparatus selectively switches between constant voltage and constant current modes using environmental feedback circuits.

Switchable secondary windings adjust the transformer winding ratio to prevent oscillations and overheating during voltage regulation.

A control circuit adjusts a ramp signal slope to prevent output voltage ringing and maintain stable inductor currents despite small parasitic resistance.

A predicted ripple signal compensates the reference voltage to cancel feedback noise in a switching converter error amplifier.

Segmented feedback offsets and feed-forward signals adjust error amplifier inputs to prevent saturation during large load transients.

A voltage regulator detects source fluctuations to increase constant current for faster substrate switching.

Auxiliary winding and capacitor structure reduces switch voltage stress and input current ripple to minimize electromagnetic interference.

A sensing FET connected in parallel with a power transistor measures channel voltage to generate an output signal representing load current.

A piezoelectric transformer system uses drive frequency feedback to stabilize output voltage levels.

Reverse-arranged plate-shaped facing portions cancel opposing magnetic fields, reducing surge voltage and electromagnetic interference in SiC power devices.

A power converter controller generates an intermediate voltage to represent the secondary side average output current.

A half-bridge control circuit generates pulsed signals from digital feedback to regulate output voltage.