Dc-Dc Conversion TRIZ Cases

A buck regulator and current sensor pre-charge a supercapacitor DC bus to limit in-rush current, cut dissipation, and store energy fully.

Unique phase ID codes on shared monitoring and current-sense pins enable per-phase temperature tracking and fault detection.

An insulating separator lets the X-ray tube and HV generator share one case, cutting interference, cable bulk, and output delay.

Raising the common bus voltage lets a PV inverter detect and isolate a shorted boost diode without fuses or manual fuse checks.

Voltage sampling across two detection resistors enables real-time inductor current detection in H-bridge buck-boost circuits with lower cost and latency.

Pre-turning on a unidirectional conduction path lets the diode recover before switch activation, cutting reverse recovery loss and voltage-spike damage.

Switching between asynchronous and synchronous converter modes improves low LED current control while reducing dimming flicker and audible noise.

Multi-frequency control in a dual active bridge DC/DC converter cuts magnetic size and component stress while supporting vehicle HV/MV/LV conversion.

Matching the clock to the nearest rising edge reduces voltage drop and capacitor discharge during async-to-sync power supply transitions.

Dynamic PWM frequency and duty-cycle control keep a flyback harvester near optimal power points for better energy capture and storage.

A feedback offset lets a direct-feedback buck converter enter 100% mode before VREF amplifier dropout, cutting quiescent current.

Matched paths and variable delays align gate-driver edges, preventing DC-DC converter instability during low duty-cycle operation.

One power circuit switches from inrush suppression to DC boost output by sharing a choke coil and smoothing capacitor to cut parts cost.

An early warning signal pre-charges inductor current in a switching converter, cutting battery surge during sudden load increases.

A PMU redirects residual energy from domain storage back to main or other domains, cutting bleed-out waste and stabilizing embedded power supply.

Selecting the nearest rising edge from a clock or its complement cuts voltage drop when a switching power supply returns to synchronous mode.

Using two identical transformers with reversed winding connections, this case cancels line-to-ground capacitance imbalance and cuts common-mode noise.

Clock recovery circuits preserve interleaved multiphase switching at low PFM frequencies when PLL locking is disrupted by parasitic capacitance.

Dynamic boost off-time adjustment uses input and output voltage feedback to limit inductor current during short circuits without losing regulation.

Secondary current thresholding plus temperature sensing determines isolated power supply state more reliably while supporting LPS compliance at lower cost.

By integrating command and feedback paths, this level shifter removes pulse generators, cuts power use, and improves DC-DC switching reliability.

A daisy-chain PWM control scheme synchronizes multiphase converters and auto-counts control stages to maintain proper load current.

Preloaded rise, fall, and repetition-period tables let DMA vary PWM frequency and pulse width for sinusoidal power converter output.

A two-stage flyback LED driver uses low-frequency startup testing and variable gating to prevent shorts, overshoot, and flicker.

Peak-voltage sampling presets the error amplifier after dropout, speeding PWM converter recovery while limiting overshoot and transients.

Pre-bias detection and delayed PWM enable prevent negative current flow, allowing soft startup of a power converter without component damage.

Current feedback turns a Class D stage into a true transconductance amplifier, keeping output current proportional to input voltage across load changes.

A skip clamp injects cancellation current to reduce voltage undershoot and prevent premature skip-mode exit in DC-DC converters.

Adaptive LED voltage or current feedback shifts the low-side switch-off threshold to keep negative current peaks stable despite delay.

A Y-capacitor divider lets an isolated LED driver detect AC or DC input on the secondary side without opto-isolators, cutting circuit complexity.

A snooze mode lowers SMPS quiescent current by reducing monitoring frequency when output voltage stays within regulation bounds.

Dynamic DC bus grounding and voltage control limit PV module polarization, reducing PID-related power loss and extending service life.

An added transformer, switch, and diode let a phase-shifted full-bridge converter transfer energy below the usual voltage threshold and discharge the DC-link capacitor.

Prestored module-specific correction values balance parallel DC-DC converter currents, preventing unequal loading and excessive current rise.

Primary-voltage sampling tied to transformer current on-timing improves load regulation and keeps switching frequency constant.

Adaptive quick-response timing in a multiphase buck converter limits load-transient overvoltage by restoring total inductor current without energy buildup.

A start-up circuit shapes inductor current to deliver zero net output current, stabilizing regulated loads without LDO losses or complex compensation.

A dual-voltage switch circuit lets memory arrays move to a higher supply level for faster read and write operation with transition confirmation.

A timed delay after switching lets the controller sample converter parameters away from edge noise, improving measurement accuracy.

Pending PWM pulse control, tri-stating at zero current, and truncated pulses curb overshoot and undershoot in multiphase regulators.

Digital FLL and feedforward control keep a single-inductor dual-output converter at quasi-fixed frequency, cutting noise and analog trimming.

Inner-coil current control balances three-phase flux in a planar magnetic coupling reactor to cut DC flux and avoid core saturation.

A frequency locked loop adjusts on-time pulses in a COT converter to hold reference switching frequency and reduce harmonics during transients.

Dynamic threshold compensation adjusts overtemperature protection to input voltage and load, avoiding false trips and delayed shutdown.

A semi-conducting insulating plate separates primary and secondary units to reduce module height, ease assembly, and improve heat dissipation.

Transient output voltage waveforms feed an ML model to identify loop gain non-invasively and speed compensation tuning in power supplies.

Distributed DC-to-DC converters sense and regulate local power-plane voltage to cut parasitic losses and handle high-current transients.

A two-die isolated transmission structure with electromagnetic shielding cuts die area and cost while preserving electrical isolation.

Secondary-side bridge timing creates current to pre-charge switch capacitance, avoiding hard switching losses in discontinuous DC-DC operation.

Pseudo abnormality signals let a vehicle load drive circuit verify diagnosis circuit failures without disrupting normal load control.