Dc-Dc Conversion TRIZ Cases

A multi-string inverter uses a single current-compensated choke on a common core to suppress electromagnetic interference across parallel DC inputs.

Generalized Cuk-Middlebrook state-space averaging models coupled voltage outputs, enabling stable regulation through shared inductor current management.

A current balancing loop circuit adjusts duty cycles to match phase currents in multiphase buck converters.

A load drive control device adjusts pulse signals to suppress resonance in inductive loads.

Independent control circuits manage shared inductor energy to reduce component size while stabilizing multiple output voltages.

A constant current control unit stabilizes output by detecting reflective voltage and generating a delayed feedback signal.

Segmenting voltage regulation and load sharing loops prevents transient voltage sag while maintaining precise current distribution across parallel converters.

A switching controller adjusts leading edge blanking time and drive current to manage the turn-on and turn-off timing of a power supply switching device.

Overcurrent protection circuit adjusts MOSFET conduction times based on excess current to enhance current sharing in interleaved power factor correction stages.

A DC-to-AC converter system manages grid connections using a common DC bus and autonomous control modules.

Segmenting voltage conversion into two stages reduces capacitor volume and switching losses while maintaining precise dynamic regulation.

A switching voltage regulator uses core clock signals to drive switches at higher frequencies.

A multi-mode controller adjusts switching frequency and peak current limits in a power supply.

A power control device synchronizes switching activity via a time-framed bus to resolve instability from asymmetries and improve current distribution accuracy.

An energy recycle circuit recycles leakage inductance energy using an auxiliary switch and clamp capacitor.

A signal generation device uses a current compensation circuit to stabilize regulator output voltages across varying logic transition frequencies.

A switched mode power supply controller samples winding voltage using a fixed speed timer triggered by secondary stroke detection.

A segmented auxiliary power circuit design reduces power loss in inverter systems by isolating control and output stages.

Randomly varying carrier signal periods in a multi-level power converter spreads high-frequency noise, reducing electromagnetic interference peaks.

A flyback converter uses a proportional-to-absolute temperature voltage source to stabilize output voltage across varying thermal conditions.

A split partitioning power converter distributes switches and control logic across separate dies to minimize electromagnetic interference.

A voltage regulator uses a controllable current source and digital-to-analog converter to adjust output slope via digital signals.

A multiphase switching converter control circuit dynamically manages switching periods to reduce output voltage overshoot during load transients.

A switching regulator uses a selection circuit to control the PMOS substrate gate, preventing reverse current flow without dedicated diodes.

A switching current sampling circuit generates an inductor current reconstruction signal by tracking transistor currents and voltage changes.

A detection capacitor links an auxiliary coil to a switching controller, enabling prompt overvoltage protection before secondary side damage occurs.

Dynamic transformer turn ratio control manages bidirectional power flow, reducing size and cost while maintaining efficiency across varying battery voltages.

A hysteresis control circuit dynamically adjusts comparator thresholds during power supply startup to prevent output voltage overshoot.

A DC-DC converter uses segmented operational modes to achieve adjustable output voltage and faster inductor current rise rates.

A signal transmission circuit uses alternatively driven semiconductor switches to shift voltage levels between high and low side circuits.

Soft start circuit ramps oscillator frequency and duty cycle to minimize simultaneous conduction of power transistors.

Adaptive clamping circuits constrain error signals during feedback loop transitions, preventing output deviations under dynamic load changes.

A DC-DC converter control apparatus samples reactor current at specific intervals to estimate the center value.

Switching circuit pin outputs encoded fault instruction signals to identify specific phase faults without adding extra pins.

A power converter control unit uses a signal level predictor to establish current thresholds before switching cycles begin.

A dual active bridge converter adjusts diagonal switching periods to continuously change the step-up ratio.

Multiple switch conversion branches connect primary sides in series and secondary sides in parallel to form a unified high voltage input system.

A switching mode regulator adjusts clock frequency to switch between pulse width and pulse frequency modulation modes.

An active clamp circuit recycles transformer leakage inductance energy to enhance power converter efficiency.

A boost converter control section manages battery temperature by intermittently stopping and restarting power conversion based on current thresholds.

A DC coupled electrical converter combines boost and inverting buck-boost stages with capacitors to generate high output voltages.

A positive slope inductor coil estimator reconstructs current magnitude from low side switch sensing data.

A gate driver circuit uses a current amplifier to discharge control nodes during fault conditions.

Controller calculates duty cycle signals for a converter to optimize energy harvesting output voltage.

Dynamic dead time adjustment resolves the trade-off between switching reliability and energy loss while preventing enclosure condensation.

A low dropout regulator uses a switch to select control paths based on supply voltage thresholds.

An isolating power supply circuit separates analog inputting circuits from valve driving circuits to prevent electrical interference.

A buck-boost converter control unit transitions between modes to maintain stable output voltage.

A duty cycle balance module dynamically adjusts switch drive signal ON times to maintain magnetic flux balance in power converters.

A power supply control unit stops output when the Vcc terminal voltage exceeds a threshold defined by a zener diode and resistor network.