Dc-Dc Conversion TRIZ Cases

A power supply system adjusts individual converter currents to optimize composite efficiency.

Multi-input operational amplifier sums current from pilot devices across MOSFET sections to resolve non-uniform distribution and temperature variations.

A switching DC-DC converter uses a single oscillating unit to control power switch frequency via detected output voltage or amplified error signals.

A bi-directional DC converter reduces circuit complexity by merging buck and boost stages to supply large currents to loads like LEDs.

A voltage regulator circuit senses inductor current using a shared sense circuit to adjust control signals for stable operation.

Dual current mirrors isolate the detection pin from parasitic capacitor interference and reduce power losses in sampling resistors.

An offset cancellation circuit extracts ripple information to correct output voltage deviations caused by the artificial ripple signal.

A rectifying device uses a charging and discharging unit to generate smoothed DC power without electrolytic capacitors.

Integrating circuitry monitors time-accumulated average current to resolve linearity trade-offs in SIMO converters managing multiple LED lighting channels.

Segmented feedback paths separate DC stability from AC response speed, resolving the contradiction between circuit stability and rapid load change handling.

Forced isolation of underperforming battery modules balances state-of-charge, preventing premature shutdown caused by capacity mismatches in series strings.

A voltage regulator modulator synthesizes inductor current and error signals into a ramp node to control switch timing.

Temperature and voltage correction functions adjust the RDSON voltage drop to resolve measurement precision issues caused by device variability.

A DC-DC converter merges buck and boost functions into one inductor using an H-bridge circuit.

A digital controller adjusts the PWM duty cycle ramp rate during power-up to manage electrical conductivity and stabilize the output voltage.

A power supply regulator uses a switch-controlled capacitor to limit inrush current without separate limiting circuits.

Control circuit calculates output current exclusive of bypass capacitor to improve transient response without slowing voltage loop.

Dual feedback paths stabilize LED driving voltage, preventing circuit instability when the load switches off.

A transition mode controller regulates output voltage by integrating switch current to derive electric charge and activating switches at zero-crossing points.

Active compensation winding in distribution transformer manages magnetic flux and secondary voltage to resolve reliability versus adaptability contradictions.

A voltage supply circuit adjusts boosting frequency to stabilize output potentials across semiconductor memory cells.

A system controller detects temperature and voltage thresholds using a single terminal to protect power conversion systems.

Dynamic cycle adjustment enables fine duty ratio tuning, resolving stepwise voltage errors and reducing switching noise in vehicle power supplies.

A current detection circuit mirrors main power transistor current to determine input and output values without series resistors.

A DC-DC converter gate driver applies negative voltage to low side MOSFETs using a capacitor.

A flyback power converter uses a multi-function detection pin to route over current and valley voltage signals to the control chip.

A control circuit with a temperature-sensing device modulates switching signals to regulate output current in power converters.

A detection circuit monitors the power switch control signal to trigger immediate protection against short circuits in current sense resistors.

Dual transformer voltage balance circuit segments gate control to maintain accurate drain-source voltage distribution across series-connected semiconductor devices.

Configurable time delay circuits synchronize PWM control signals to power transistors, preventing current shoot-through and voltage spikes.

A voltage regulator uses a driver state discrimination circuit to control an overshoot suppression mechanism.

A switching converter uses a control circuit to manage supply voltage connection via transistor gating.

A voltage supply unit uses a cascode unit and absorption units to generate intermediate output voltages.

A digital startup timer replaces analog closed loops with time-based control, eliminating stability risks during integrated circuit power-up.

Segmented duty cycles resolve mid-cycle efficiency losses while maintaining stable voltage delivery across varying solar influx.

Dynamic pulse width adjustment of a free-wheeling diode prevents negative inductance currents and energy backflow during discontinuous current mode operation.

A resistance welder controller monitors welding current and usage rate to maintain inverter transformer operations within rated capacity.

Serially connected auxiliary windings in parallel converters form coupling loops that improve load current dynamic effect and operating efficiency.

Virtual ripple generator produces modulated reference voltage to resolve phase differences from low ESR capacitors in switching regulators.

A power management unit adjusts its input current limit dynamically to maintain stable operation under varying load conditions.

A semiconductor power supply clamp circuit adjusts drive transistor control voltage to stabilize internal voltage levels.

A step-down converter uses a leading edge blanking signal to reinitiate the slope generator for nearly 100% duty cycle operation.

An adaptive compensating ramp generator adjusts its slope based on input voltage, output voltage, and inductor values to eliminate sub-harmonic oscillations.

Dynamic pulse width modulation extends switching periods when input voltage drops below a threshold, preventing output voltage instability.

A transformerless photovoltaic power converter circuitry uses film capacitors and internal grounding to maintain constant power draw.

A power converter driver uses a negative voltage generator to produce a lower third operation voltage for PMOS control.

Delay control circuit sets propagation delay via amplifier and voltage reference, eliminating output voltage transients during PFM to CCM mode transitions.

A buck-or-boost switching regulator adjusts load current to manage power distribution across multiple client devices.

Droop logic adjusts module currents based on output voltage to resolve uneven lifespan and low efficiency in parallel power conversion systems.