Dc-Dc Conversion TRIZ Cases

A measurement system derives average output currents from accessible input signals and timing control data.

A switch-mode power supply circuit uses a blanking switch to isolate the feedback path during transistor switching transitions.

A power supply boost circuit uses a voltage limiter to constrain feed forward loop signals for stable output.

A dual-mode buck converter uses a threshold generator circuit to nonlinearly calculate an adaptive signal for switching frequency control.

A switched mode power supply circuit connects HEMT substrates to a high voltage node via controller switches.

A DC-DC converter control circuit supplies current to a phase compensation capacitor when the drive signal pulse width reaches its minimum value.

A PWM controller integrates a phase locked loop and slope generator circuit to produce a frequency-proportional compensation ramp signal.

Permanent magnet saturation blocks transformer power transfer, preventing unsafe conditions without complex relay maintenance.

A Buck-Boost converter limits inrush current during power-on and extends voltage hold-up time during power-off using a helper capacitor.

A control device selects the smaller voltage or current difference value to generate a unified operation amount for power supply regulation.

A power converter controller generates mixed sine wave signals to maintain continuous output current during phase transitions.

A digital-to-analog converter recycles energy stored in capacitive loads using separate charging and discharging circuits.

Segmented protection circuit allows temporary surge output power while preventing damage to the power converter.

A switching power supply control circuit uses a negative voltage source and PMOS switches to drive activation elements.

A controller applies secondary power to a circuit location between a low-side transistor and capacitor to detect charge levels.

An isolated switching power supply uses intermediate primary winding coupling to reduce common-mode noise in implantable medical device programmers.

A multi-phase voltage regulator adjusts active phases using master phase control and PWM duty cycle modulation.

A switching regulator control circuit constrains the gain of peak current signal variation between contiguous switching cycles.

Active clamp circuit sinks transistor drain current to output capacitor, limiting voltage spikes and minimizing power loss in resonant converters.

Bypass circuitry redirects inductor current during non-overlapping switching intervals to charge a boost capacitor, reducing energy loss.

Stacked boost and inverter circuits balance bus voltage, reducing switching losses and component stress while adapting to different input voltages.

A pulse width modulation unit segments control signals into positive and negative periodic waveforms to generate precise driving pulses.

A DC/DC converter places a freewheeling MOSFET in parallel with the inductor to enable independent current circulation stages.

A feedback signal generator processes inductor current rise and fall times to produce a proportional control signal for accurate output current monitoring.

A voltage converting device uses a determining unit to detect input voltage levels and switches the DC/DC converter between step-down and bypass modes.

Multi-segment soft-start waveforms adjust level variation rates to keep load switches within the safety operation area during over-current protection tests.

A gate driver circuit adjusts drive strength based on current transitions to control ringing voltage.

Square wave control in a four-quadrant converter achieves reliable arc ignition while reducing electromagnetic interference.

A UPS uses a coupled inductor and single switch to merge AC to DC, DC to DC, and inverter functions into one circuit.

A triangle topology multi-level converter uses series capacitors and complementary switching tubes to generate multiple output voltage levels.

A semiconductor circuit detects abnormal feedback voltage from disconnected external resistors and switches to a normal signal output.

A power control mechanism switches to bypass mode during light loading conditions.

Replacing LDO regulators with a Zener diode and dynamic switching reduces power consumption while maintaining accurate undervoltage lockout detection.

A semiconductor booster circuit connects a current source in series with an inverter to slow transistor transitions and reduce high frequency noise.

Parallel linear regulator counters parasitic inductance to maintain voltage stability during load current transients.

A voltage regulator circuit disconnects a coupling capacitor path to eliminate output noise from the reference voltage.

A digital-to-analog converter generates a variable-frequency output signal to control the ramp-up phase of power converters.

A rigid-flex substrate design integrates a coil element across distinct regions to reduce module height and enable flexible mounting.

A switching regulator droop amplifier incorporates a boost circuit to increase transconductance during reference voltage transitions.

A ringing frequency changing circuit shifts switching node resonance below board levels, reducing electromagnetic interference without efficiency loss.

A universal interface circuit switches between linear current control, high-side on/off, and low-side drive modes using controlled switching elements.

A pseudo-constant OFF time control approach stabilizes voltage converter switching cycles by dynamically adjusting timing parameters.

Slow VCC discharge dominates re-startup period, decoupling timing from input voltage fluctuations.

Controller calculates inductor and capacitor energy differences to adjust switch duty cycle, decoupling bandwidth limits from ripple reduction.

A DC-DC converter adjusts switching duty ratios via feedback signals to maintain stable output voltage levels.

Modulating switching frequencies in multiple output stages prevents magnetic coupling-induced synchronization, ensuring stable LED lighting performance.

Active output compensation circuit bridges independent outputs via voltage difference detection, enabling energy transfer between power sets.

A SIMO switched-mode power supply controller compares inductor current against three thresholds to select operating states.

A boost converter reduces common mode noise using a Wheatstone bridge circuit configuration with specific capacitor connections.

A transponder evaluates its coupling factor to adjust resistive load and oscillating circuit detuning for stable remote supply.