Dc-Dc Conversion TRIZ Cases

A circulating-current reducing circuit uses passive diode and resistor networks to suppress current flow between parallel transformer primary coils.

A voltage multiplier circuit uses feedback bias control to regulate pumping capacitor current and amplitude.

A USB-PD IC regulator uses load-dependent biasing to maintain stable internal supply voltage across varying input conditions.

A driver circuit adjusts rising and falling times via pull-up and pull-down transistors to control signal slew rate.

Battery banking in touch-free dispensers uses a control circuit to fully deplete one cell before switching, preventing operation failure from low voltage.

Modular low dropout regulator circuitry combines digital and analog blocks for programmable power supply rejection ratio.

A digitally-assisted voltage regulator digitizes load profiles to adjust gate driver strength and regulated voltage levels.

A digital slope compensation module stabilizes the current loop in switched-mode power supplies by pre-calculating the comparator switch-off threshold.

A power supply device extends output holding-up time using a comparator and transformer-based control circuit.

A control circuit monitors hard commutation parameters to maintain high-impedance states in resonant converters.

Opposing magnetic fields in a dual anti-wound inductor reduce net flux, preventing core saturation while maintaining efficient voltage boosting.

Constant loop gain control stabilizes the regulator across wide output voltages by canceling divider gain variations via feed-forward filtering.

Thyristor-based short-circuiting prevents overvoltage delivery to modules, eliminating costly double protection and certification requirements.

An adaptive slope compensation circuit injects a DC correction current to eliminate offset errors that degrade line rejection in valley current mode converters.

Integrating a switching regulator into the linear stage eliminates the output transistor, reducing power loss while maintaining signal integrity.

Randomized phase activation in a multi-phase power supply reduces control circuitry complexity while maintaining low ripple voltage.

A power supply unit generates alternative supply voltages by connecting supply-side regulators to external voltage sources.

Adjustable capacitor circuit dynamically modifies equivalent capacitance to accelerate error signal compensation in DC-DC controllers.

A boost regulator uses circuit logic and a comparator to adjust switch activation based on reference voltage thresholds.

A phase dividing circuit generates distinct detection signals from a single switching signal to manage independent protection functions.

Segmented switching elements lower surge voltage and extend surge absorber life without waiting for AC zero crossing.

Synchronizing an active shunt with low-frequency dimming signals reduces operational amplifier saturation time and maintains noise filtering efficacy.

Timing generator uses error signal and delay circuit to adjust pulse width, stabilizing output voltage and reducing oscillation duration during load transients.

Dual ramp generators produce independent PWM signals to manage four power transfer states in a buck boost converter circuit.

A power supply controller uses a SenseFET to generate current sense signals for adjustable ramp compensation on the semiconductor die.

A remote sensing circuit uses a switching unit to control feedback connections for high-power supply apparatuses.

A transformer secondary winding supplies parallel half-wave rectifiers and cascade circuits to generate distinct outlet voltages from a single inductive coupling.

A control circuit dynamically adjusts the duty cycle and reference voltage in switching converters.

A switching power converter controller regulates average output current using primary peak voltage.

A switching power supply circuit uses current mode control to generate precise drain and source signals for feedback.

A multi-port buck-boost converter integrates ripple current limiters to manage power delivery across multiple loads.

A self-resonant voltage boost circuit uses a depletion mode JFET to initiate oscillations without external excitation.

Zero-crossing detection isolates the load during switching, preventing distortion from finite transition times and parasitic losses.

A voltage converter uses a sample and hold circuit to emulate load current for closed-loop regulation.

Switchable voltage sensors measure the pre-charge resistor to diagnose power relay functionality without charging the DC link capacitor.

A closed-loop switch-mode boost converter amplifies time-varying signals through integrated switching and filtering stages.

A DC/DC converter uses a dynamic charging transistor to control current flow into the power supply capacitor.

A power converter regulates output voltage by dynamically selecting between remote and local detection signals for precise current control.

A power converter controller translates pulsed radar demands into constant source draw, eliminating ripple currents that destabilize shipboard generators.

A switching power supply control circuit detects external resistor values during initialization to configure operation parameters without adding dedicated terminals.

Transformer leakage inductance generates control signals to eliminate optical couplers, reducing board space and extending device lifetime.

A discontinuous switching voltage regulator adjusts on-time using digital timers to measure tristate and switch durations.

A current sense circuit tracks PWM driver signals using a shared successive approximation register ADC.

An emulator and compensator generate an emulated output current value for precise power supply regulation.

A dynamic reference voltage increases gradually after overcurrent events, preventing output voltage overshoot that damages connected loads.

An SMPS inverter with isolation transformer regulates cathode heater power via voltage and current monitoring, reducing bulky transformer weight.

Independent voltage loops allow a slow master phase for low-load efficiency and fast slave phases for transient current delivery.

Independent charging paths reduce switching losses and overvoltages by utilizing series resonant circuits to control intrinsic capacitance voltage levels.

Calibrated ripple injection prevents negative average current sinking from other power rails during prebias startup.

A DC-DC converter balances series capacitor voltages using a control circuit that adjusts switching duty ratios based on detected voltage differences.