Dc-Dc Conversion TRIZ Cases

Comparator timing during switch conduction stabilizes PSK-CCM transitions, cutting output oscillation and avoiding coil recharging losses.

Comparator timing during switch conduction cuts output voltage oscillation and energy loss when shifting from pulse suppression to continuous mode.

A single transistor handles ripple suppression and PWM dimming in an LED voltage regulator, cutting circuit size, cost, and flicker.

Remote-side current modulation cuts supply current below shock thresholds during DC faults without low-latency communication links.

Dynamic offset and ramp threshold correction stabilizes PWM current control under varying input-output voltages and limits subharmonic oscillation.

Current-sensed ZC_DF and pre-PFM control cut rectifier and switching losses in three-level boost converters across wide loads.

Programmable offset feedback helps a PWM converter switching stage stay stable at light loads without sacrificing voltage regulation.

An enhancing circuit boosts feedback or reference signals so DC-DC converters maintain control precision without high-gain, high-bandwidth comparators.

A parallel switch across the smoothing capacitor speeds DC voltage bucking through amplifier-based feedback without complex control algorithms.

Magnetically coupled bridge circuits widen buck-boost conversion range while cutting switching and conduction losses in high-power DC-DC converters.

A current mirror limit circuit caps leakage compensation current as transistor temperature rises, protecting connected circuits and preserving efficiency.

A variable dummy load tied to input voltage keeps a boost converter out of skip mode while limiting current waste under light load.

An overshooting detector and inductor-current sensing scheme turn off the LS switch early to stabilize buck converter output during load drops.

Mode switching and transformer parameter optimization cut secondary current and conduction loss in dual-active-bridge micro-inverters.

Battery modules on floating DC buses remove DAB converter stages, cutting losses while improving AC-DC interface stability and reliability.

Multiple PWM duty cycles with AC feedback help a DC-DC converter hold output voltage during sudden load changes and undervoltage events.

Variable phase-shifted analog control stabilizes multi-phase converters without digital clocks, improving reliability in space environments.

A load-current proxy from capacitor dV/dt and split-band dual converters cuts ripple during rapid load changes in wireless power rails.

Real-time load power calculation adjusts auxiliary switch duty to cut freewheeling loss and improve DC-DC converter efficiency.

Temperature-triggered phase activation spreads load current in a multiphase converter to cut I2R heating while preserving voltage regulation and telemetry.

A GaN auxiliary switch moves leakage inductance energy to the secondary side before turn-on, cutting spike voltage, EMI, and switching loss.

Dynamic detection of connected power terminals lets charging chips rebalance power paths for efficient battery charging and system load supply.

Shared auxiliary power and a common secondary winding simplify bi-directional DC-DC conversion while cutting component count, size, and cost.

Modular GaN half-bridges and isolated digital control shorten custom power development while preserving flexible power-stage configuration.

A quick-start and timer circuit pre-charge key capacitors so a switching regulator can shift from nano-amp low-power mode without output droop.

Series resonance in a multi-input micro inverter cuts transformer turn ratio and volume while improving conversion efficiency and stability.

Concurrent switching of dual primary circuits lets one converter supply stable controller power in either bidirectional operating direction.

A center-tapped transformer and existing switch loops balance inverter neutral point voltage without extra bridge hardware or complex control.

A phase-lead differential amplifier circuit replaces comparators and counters to keep switching regulators responsive with lower current draw.

Three-phase adaptive gate drive current damps switch node ringing and EMI while preserving fast transistor turn-on in switching regulators.

A shared current sense circuit on the return path balances multiphase converter currents while cutting isolated sensors, ringing, and heat.

A voltage-controlled auxiliary current path and DC blocking capacitor limit load voltage swings during fast output changes while reducing power loss.

Three rotating capacitors pre-charge and hold auxiliary-winding samples, enabling accurate output regulation in 125 ns discharge modes without a dummy load.

Switching between delta-wye and interleaved topologies helps a bidirectional DC-DC converter limit circulation currents while keeping high efficiency.

Closed-loop isolated feedback sends output status across the isolation barrier to regulate voltage accurately and prevent stress-related failures.

Dynamic threshold switching separates brief CPU load spikes from sustained overloads, protecting the input supply without unnecessary current limiting.

Dynamic high-side on-time extension helps DC-DC regulators overcome duty cycle limits and reduce output voltage undershoot during load steps.

A vertical depleted region with deep and shallow p-type regions preserves forward current, low resistance, and breakdown voltage in compact IC diodes.

Contactor drive current sensing lets the controller stop the converter before open failure causes excessive output voltage.

A controller switches between direct bypass charging and buck-boost conversion to handle batteries across different voltage ranges efficiently.

Uses inductor energy and a voltage generation circuit to create high dV/dt, speeding semiconductor tolerance and endurance evaluation.

Parallel charging paths, series resistors, and controlled switching speed startup, stabilize fluctuating input voltage, and cut no-load loss.

Decoupled contact pads let gate stress tests detect transistor defects while protecting control circuits and enabling parallel high-side and low-side testing.

Average inductor current control enables stable CCM-to-DCM/PFM switching in multi-level converters while reducing low-load energy loss.

By placing one HV junction box beside the fuel cell stack, this case cuts conductor routing, parts count, cost, and assembly time.

Toggle-based feedforward regulation stabilizes CMOS clock supply voltage against droop and overshoot with lower area and calibration burden.

By switching from limit mode to discontinuous operation, this flyback LED driver extends dimming range while keeping control circuitry simple.

Adjusting switching frequency to total load current helps PPE power supplies cut transformer losses and extend battery life.

A compensation inductor and filtered secondary-side measurement improve total current sensing in multiphase voltage regulators.

A shorting switch and voltage injection source enable zero-voltage turn-on in a buck converter, cutting hard-switching losses on 48V AI power rails.

Controller modulates switching frequency via a frequency staggering signal to manage electromagnetic interference in power supplies.

A voltage converter controller uses a sensing pin to sample and set parameters dynamically during operation.

Microcontroller regulates output voltage and current via secondary-side feedback circuits in a programmable power supply.

An asynchronous low dropout regulator adjusts active output stages based on real-time feedback signals to maintain stable power delivery.

A DC-DC converter circuit generates split rail supplies using a single inductor and four principal switches.

A window comparator structure generates control signals for buck and boost modes in a DC-DC controller.

An inductor current ramp generator produces a precise signal copy to eliminate sensing circuit distortion and improve detection accuracy.

Dynamic frequency modulation spreads current spectra to mitigate electromagnetic noise without saturating the insulating transformer.

A PWM voltage regulator control circuit adjusts duty cycle based on output voltage ripple frequency to improve transient response speed.

Boot-strapping circuits drive core transistors to overcome voltage limits, improving switching speed and efficiency.

A dual-mode AC/DC converter circuit adjusts peak current limits using feedback voltage thresholds to regulate switching transistors.

A reversible switched-mode power supply enables bidirectional energy transfer between USB Type-C devices using symmetric switching cells.

A synchronous buck regulator controller blocks the synchronous switch during unloading events to accelerate inductor current decay.

Detecting feedback voltage slopes, the control circuit pulses transient phase inductors to reduce output voltage droop and overshoot.

A reconfigurable charger feedback circuit selects error signals and adjusts damping impedance to support multiple power adapters.