Dc-Dc Conversion TRIZ Cases

A secondary current loop and switchable current source limit output overvoltage when a buck converter terminal becomes disconnected.

An auxiliary inductor winding feeds input-filter voltage across isolation to damp DC-DC converter oscillations without added damping parts.

An LCR parallel resonance circuit adds a gain peak at LC resonance to offset regulator gain dips and keep the power filter loop stable.

A flyback transformer and rectifier monitor high-voltage DC bus levels with galvanic isolation, lower EMI, and reliable aerospace motor drive sensing.

An inversion-layer capacitor integrated beside a MOSFET cuts parasitic gate-drain capacitance while preserving breakdown voltage and low switching loss.

Lowest-cathode-voltage feedback stabilizes multi-channel LED output and adds overcurrent, overvoltage, and short-circuit protection.

Adaptive overload control switches between latch stop and timed restart to stabilize output voltage and reduce restart-related wear.

Voltage-threshold control routes DCDC current to under-supplied SoC loads and adds regulator support only when needed to cut oversizing losses.

Output voltages are adjusted at constant power to keep neutral wire current within cable limits without reducing energy yield.

Inductor current direction sensing stops switching and discharges residual current to prevent power-off instability and PMIC damage.

Dynamic period updates keep multi-phase converter signals near a target phase shift, cutting output ripple during frequency changes.

A combined step-up, step-down, and direct-coupling layout supplies the right voltage to heater, display, and vibration loads in one aerosol device.

A stepped voltage-drop protection circuit blocks fault current in a flying-capacitor DC-DC converter, protecting lower-rated switches.

Real-time voltage and current feedback lets the converter adjust target output voltage to match load changes and cut power waste.

A transformer and rectifier convert high-voltage pulses directly to a DC rail, cutting PCB space and thick copper power layers.

Adaptive current thresholds based on AC voltage level limit inductor surge current at startup and protect the power transistor.

An integrated bus-duct capacitor module with upper and lower coolers handles high current while reducing PTU size and capacitor heat.

An auxiliary inductor winding feeds input-filter voltage across isolation, damping DC-DC converter oscillations without added size or cost.

A programmable controller coordinates isolated DC-DC gate-drive supplies for tunable voltage regulation, sequencing, and fault monitoring.

A state-aware ON-timer switches between variable and fixed reference voltages to keep DC/DC converter switching frequency more stable.

Programmable control of isolated motor drive power rails adjusts switching behavior to improve EMI compliance while maintaining output voltage.

Dynamic switching control shifts EMI peaks in isolated motor-drive DC-DC converters while maintaining precise output voltage.

Stored energy drives the bypass switch when self-supply voltage drops, preventing chattering and speeding failed cell converter short-circuiting.

A diagnostic current and bidirectional rectifying path expose IC ground-line openings reliably despite load changes or stopped drive circuits.

A driver-controlled ramp switch blocks ramp injection during DCM tri-state, eliminating group pulsing and reducing ripple in COT buck regulators.

Clock-disable detection shuts down PMIC switching during display blanking periods, reducing unnecessary power conversion and energy waste.

A current-limiting charging circuit keeps switching frequency within safe bounds when an external resistor shorts or opens, improving converter stability.

A negative inductance circuit varies transformer inductance to cut SMPS ripple at steady state and speed transient response.

A vacuum diode, ceramic coatings, and a parallel magnetic field replace switching circuitry to cut AC-DC conversion losses.

A separate over-voltage terminal backs up feedback sensing, letting the regulator reset the controller or power down before damaging over-voltage.

Inherent inductors balance dual bus capacitor voltages in a DC/DC converter, avoiding extra balance circuits and preserving power density.

Synchronized PFC and regulator stages cancel high-frequency ripple while preserving power factor and allowing smaller capacitors in LED drivers.

An integrator-derived pseudo-output voltage lets a switching regulator detect input-output voltage differences without an output sensing terminal.