Dc-Dc Conversion TRIZ Cases

A welding controller analyzes weld waveforms to calculate compensated stud voltage for precise arc control.

Decentralized modular control segments static converter functions into local units that generate triangular carriers and balance currents independently.

Microcontroller generates phase-shifted timing signals to control load points, enabling adaptive phase switching without hardware redesigns.

A phase shift double forward converter circuit dynamically adjusts output voltage by manipulating duty cycles and phase shifts in response to load demands.

A simulation current signal generation circuit replicates output waveforms using a switching mechanism to select signals from an impedance component or power stage.

A DC-DC converter uses a comparison circuit to regulate output voltage between reference levels.

A buck-boost circuit monitors inductor current slope to determine mode transitions without relying on voltage comparisons.

A switching power supply controller uses a multifunction voltage to dynamically suspend chopping operations based on primary current and voltage thresholds.

A multi-port converter topology merges buck cells with a shared filter inductor to enable bidirectional energy exchange.

A buck-boost power supply controller segments the switching cycle into three phases, including one with a fixed duration to manage ripple current.

A control circuit uses a peak-detection mechanism to generate reset signals for power supply protection.

A pulse width modulation algorithm maintains maximally flat voltage during current transients.

A switching regulator adjusts its reference voltage using an error amplifier to correct output deviations.

A flyback converter control circuit detects ringing signal valleys to synchronize primary switch turn-on timing.

Current direction sensing prevents shoot-through conditions during zero crossover, protecting semiconductors while reducing magnetic structure weight.

Auxiliary switch shorts secondary winding to establish free ringing, enabling direct feedback control that replaces bulky magnetic coupling.

Unified feedback control adjusts output voltages against a threshold value to resolve the trade-off between circuit size and voltage regulation accuracy.

Dynamic compensation coefficients prevent oscillations during output voltage changes in switching regulators by adapting control parameters to load conditions.

Series converter modules use interleaved phase offsets to raise effective switching frequency, reducing switching losses and electromagnetic interference.

A local sense control loop dominates a remote sense loop to maintain regulated output voltage.

Dynamic leading edge blanking logic adapts to real peak currents by ending the blanking period upon detecting a falling edge in the current sense signal.

A controller generates a digital sensing signal from feedback current duration to adjust output voltage.

A DC-DC converting circuit uses a voltage limiter to constrain control signal levels below a threshold value.

Phase-shifted PWM control synchronizes switch timing to reduce ripple current losses while maintaining constant inductor current.

Capacitive coupling isolates the comparator from common mode voltages, resolving offset issues and improving measurement precision.

A dual-mode charger circuit dynamically switches between pass-through and buck-boost operations to manage voltage conversion.

System controller calculates optimized digital filter coefficients via serial data bus, reducing system complexity and size in distributed power supplies.

A power converter uses a center-tap switch to reduce secondary conduction losses across varying input voltages.

A control circuit generates a Hershey's Kiss modulating signal to spread switching frequency energy.

A zero-pole compensator circuit integrates transconductance amplifiers and buffers to reduce component count.

RC circuits sense analog voltage droop while digital controllers modify PWM duty cycles to compensate for PCB asymmetries and inductor differences.

A converter control device switches feedback gains to match drive phases.

A feedback-controlled stabilizer provides positive real impedance via reactive components, preventing oscillation without increasing power loss.

A primary-clocked switching power supply uses a monitoring unit to trip a switchable element on the primary side.

A photovoltaic inverter discharges port capacitor energy through a dedicated circuit to achieve rapid voltage reduction.

A power converter controller deactivates a second switching section based on node voltage measurements.

Pre-charging the inductor stabilizes output voltage when input levels approach the target threshold.

A dual-mode regulator circuit detects an inductor between output terminals to switch between linear and switching modes.

Integrated control logic detects short circuits and maintains a tri-state condition to prevent in-rush currents without external components.

Boot refreshing pulses prevent duty cycle saturation and reduce output voltage ripple when input and output voltages are close.

Delaying voltage and current transitions via capacitance and inductance units minimizes power losses during switching operations.

An adjustment amount generation device counters output voltage changes to maintain stable load voltage despite input fluctuations.

A flyback converter uses a tapped secondary winding to generate multiple output voltages.

A power converter switches between dual switch and bridge forward topologies to maintain output voltage stability.

A power conversion device isolates faulty switching elements and current sensors to maintain continuous operation.

Switching apparatus integrates current and temperature detectors to identify overcurrent states, resolving detection delays during open failures.

Multiple comparators detect input current anomalies and constrain switch on-time, preventing damage when primary sensing fails.

Primary side voltage sensing detects full charge while an auxiliary switch reduces diode reverse recovery time for faster capacitor charging.

A selection driver circuit uses a biasing capacitor to lower gate-source voltage, allowing cheaper MOSFETs in high-side secondary switch applications.