Dc-Dc Conversion TRIZ Cases

A single inductor with time-multiplexed switching generates multiple reversed-polarity rails while cutting loss and converter size.

Zener diodes, a MOSFET, and blocking diodes clamp input surges, stop reverse polarity, and let the inverter recover automatically.

Interrupting the feedback control signal enables fast safety shutdown without extra contactors, complex wiring, or contact welding risk.

Mutual-inductance detection coils compare transmit and receive power to spot small metal foreign matter without cameras or thermal imaging.

Current-triggered boost bypass cuts long-cable DC losses while maintaining radio voltage and avoiding low-load converter inefficiency.

PWM trigger delay limits total load current while keeping multi-phase output currents balanced and stable during current limiting.

Internal voltage harvesting and regulation let a GaN power switch run its driver without a fourth pin, enabling direct MOSFET replacement.

Feedback-based control switches a power converter across boost, LDO, and bypass modes to improve supply flexibility under varying voltage and current conditions.

Dynamic buck-bypass and variable-buck-input control helps a multiport USB-PD adapter cut voltage drop and keep stable output across ports.

Ton-min modulation lets a power converter keep constant switching frequency across Vin and load changes while improving low-load efficiency and EMI behavior.

A multiphase controller briefly enables maximum channels during load-current rises to suppress output-voltage drop and keep DC-DC loads stable.

Phase enablement is synchronized to TDD downlink and uplink timing, cutting converter power loss across changing radio loads.

Hysteretic average current mode control uses current sensing and offset thresholds to remove secondary compensation loops in digital voltage sources.

A tuned RLC snubber targets output rectifier ringing frequency to cut voltage peaking, EMI, and heat loss in switching power supplies.

Using a VCO and counter, this case tracks inductor current from inductor voltage to simplify converter sensing and cut power use.

Cycle-by-cycle inductor short detection uses decoupled voltage sensing and phase shutdown to protect DC-DC converters from heat and damage.

A reconfigurable active front end combines AC-DC charging and DC-AC power conversion to cut size and cost while supporting simultaneous use.

A relay-switched hold-up branch stores and transfers energy through the PFC choke to extend PSU ride-through while limiting inrush on power return.

Automatic AC and DC current-feedback mixing balances droop in DC-DC regulators to preserve loop stability and improve load transient response.

A learned load voltage guides capacitor charging and converter control to keep LED turn-on fast and consistent across voltage ratings.

Dynamic compensation scaling keeps output current consistent and reduces jitter during multiphase power supply phase switching.

Dynamic gate-drive voltage control helps LED switching power supplies avoid shoot-through and maintain efficient conversion across light and heavy loads.

Peak-triggered drain-voltage sensing improves inductor zero-cross detection in ultra-low power DC-DC converters while limiting power loss.

Adjustable driver resistance raises switch-tube loss to rapidly discharge stored energy without heat-damaging resistors.

A dual-loop VDS clamp speeds low-side transistor protection by cutting gate voltage during ringing, reducing damage risk and circuit area.

Charge from parasitic capacitances is redirected to an integrated capacitor to generate bias signals with lower power loss and smaller converter footprint.

Indirect mains sensing with voltage division, current transformation, and loss modeling improves supply power accuracy while preserving isolation.

Direct bare-die connection to lead-frame electrodes removes the external PCB, simplifying buck converter packaging and improving reliability.

Multiplexer-routed control and feedback let one PMIC switch between buck-boost and dual-buck modes, cutting variant cost and reuse waste.

Phase enable timing follows the TDD frame so the DC-DC converter cuts power loss while supplying downlink and uplink radio loads.

Two independent half-bridges with SiC MOSFETs generate high-frequency asymmetrical pulses while avoiding DC bus short-circuits.

Pseudo-random PFM timing spreads switching peaks into white-noise-like spectra, reducing audible buck regulator vibration and sound.

High-permeability regions between adjacent conductors redirect magnetic flux, cutting coupling and preserving inductor characteristics in compact arrays.

A calibrated inverter time base corrects aging and thermal drift to keep grid frequency measurement accurate and AC feed-in stable.

Voltage sampling and switched gate pull-down prevent false short-circuit trips from lamp inrush currents while avoiding afterglow.

Dual-loop variable resistors tune temperature coefficient and suppress load-driven voltage drift for a more stable reference output.

A separate flyback VCC circuit removes the auxiliary winding to keep controller supply voltage stable while improving converter efficiency.

Resonance current sensing replaces dual inductor voltage probes to detect resonant period with less noise, smaller circuitry, and accurate ZVS timing.

A detector and monitor processor cut ECU processing load during inductor short faults to keep multiphase supply voltage in range.

A parallel main and auxiliary GaN switch in a flyback converter cuts transistor stress and limits on-resistance growth over time.

A P-type high-side switch and PWM combiner cut resistor bias current, reducing resistive loss and improving IC efficiency.

Fixed-duty step-up switching and second-switch current sensing keep a step up/down regulator stable and responsive across varying battery voltages.

Selective phase activation matches converter output to the requested light beam, improving low-current efficiency in pixelated vehicle lighting.

Independent feedback loops and a primary controller let modular power units scale output flexibly while preventing oscillations.

By processing only a fraction of PV input power, this converter cuts cost, weight, and control delay while improving MPPT efficiency.

A dual-branch inductor circuit adjusts frequency and current direction to generate targeted therapeutic magnetic fields in body tissue.