Dc-Dc Conversion TRIZ Cases

An inrush current comparator monitors primary winding current against thresholds to prevent hard switching losses during startup phases.

A bootstrap circuit charges a capacitor using a stable current module and cascode transistor structure.

A step-down converter inserts a series protection device to prevent overvoltage damage from high-side switch shorts.

An RC network provides complete current data for coupled inductors, resolving the trade-off between measurement precision and circuit complexity.

A second Buck regulator derives input current from duty cycle and output voltage signals.

Shared magnetic cores equilibrate inductance across interleaved converter cells, eliminating ripple current peaks and reducing filtering requirements.

An artificial ripple injection circuit compensates for low ESR capacitors, stabilizing the output voltage of a buck converter.

A double-swing clock generator produces dual-phase signals to drive charge pump circuits.

A switched mode power converter adjusts primary switch duty cycles based on secondary side signals to optimize energy transfer.

A switch controller adjusts intended on-time based on previous cycle measurements to compensate for total switching delays.

A constant on-time converter uses a digital controller to adjust a compensation signal for stable operation.

A voltage converter integrates a feedforward circuit to generate compensation signals that adjust drive operations for stable output.

A slope detector circuit processes inductor current waveforms to estimate input current without external sense resistors.

A boost-buck converter dynamically switches between buck and boost modes to minimize conduction losses.

A compensation ramp generator samples the offset value to create a corrective current that balances phase currents in DC-DC converters.

Resonant oscillation switches the DC-to-DC converter at wave troughs, minimizing turn-on and turn-off losses while enhancing power density.

Segmented transistor modules with freewheeling diodes prevent magnetization and short circuits without increasing installation space.

Electronic control unit manages switching timings across parallel boost converters using a superimposition prohibition table.

A control circuit increases operation frequency during load transients to adjust sampling rates and drive converter channels.

A switching power supply controller shuffles phase sequences to distribute peak loads evenly across phases.

A booster circuit increases battery voltage to high-voltage direct current for power conversion.

An isolated SEPIC converter uses discrete inductors to manage energy transfer.

Dynamic reference voltage generation expands the selection range for overcurrent detection while protecting control ICs from high voltage tolerance limits.

Control circuit injects disturbance signals into feedback networks to generate detection voltages during switch off periods.

A control device calculates estimated input voltage values using a polynomial function to determine converter parameters.

Microcontroller-based relay system energizes loads at the zero-crossing point to minimize inrush current.

An antiparallel second switch protects diodes from overcurrent without inserting series impedance, preventing voltage drops and preserving inverter output.

Cascaded transistors reduce individual voltage stress to enable cost-efficient mass production while suppressing leakage currents.

Stacked NMOS switches minimize switching losses at 10-100 GHz, reducing parasitic inductance to shrink device size while maintaining efficiency.

Stray magnetic field induction measures secondary current in a galvanically isolated circuit, resolving low dimming accuracy issues.

A DC-DC boost converter uses a three-state switching cell to reduce voltage and current stress on semiconductor switches.

A gate driving circuit monitors output signal integrity to detect faults and assert failure signals.

A control circuit generates a limit signal based on output voltage to regulate transformer switching current in programmable power supplies.

A current detecting circuit uses a time detecting circuit and sample and hold circuit to capture inductor current at precise intervals.

Stepwise current ramping enables closed-loop control across the isolation barrier, preventing voltage overshoot during startup.

A reset circuit supplies a pull-out lower limit voltage to stabilize the gate potential of a charge transfer transistor during mode transitions.

A DC-DC converter uses pull-up and pull-down circuits to inject currents proportional to inductor current for controlled charging.

A multimode controller circuit selects signal sets to generate switching signals with picosecond resolution.

Auxiliary apparatus clamps loop control voltage via current mirror and amplification unit, preventing excessive under-drop during sharp load current decreases.

A switch control circuit manages error amplifier states to reduce output voltage ripples during mode transitions.

Shield wiring conductor mitigates power supply noise propagation to transistor gates, improving PSRR without increasing power consumption.

Parallel switched-mode DC-DC converters use controlled phase delays to cancel clock frequency harmonics, reducing interference in sensitive RF circuits.

A current-sharing circuit balances power delivery across parallel DC-DC converters using sampled voltage feedback.

A synchronous voltage step-up circuit manages vehicle emergency call backup power.

A spurious components cancellation circuit generates a compensation signal to modify supply voltage.

Segmented controllers eliminate vulnerable cabling between bridges, reducing physical damage risk while maintaining signal transmission reliability.

A power conversion device synchronizes carrier wave frequencies and shifts phase to reduce high-frequency ripple current in smoothing capacitors.

A DC-DC converter adjusts control voltage ramping speed via an external terminal to manage power conversion dynamics.