Dc-Dc Conversion TRIZ Cases

A switching converter drive circuit isolates from the supply line using a pre-charged capacitor, eliminating parasitic inductance noise and voltage drops.

N-channel MOSFET switch isolates boost converter from short circuits by allowing controlled inductor discharge before full isolation.

Adaptive reference current scaling via DC voltage feedback allows power converters to operate at maximum voltage limits without damaging switching devices.

Separating artificial ramp generation from current sensing reduces noise susceptibility and circuit complexity in switched-mode power supplies.

Synchronizes switching elements to reduce current flow before switch-off, eliminating snubber circuits and high withstand voltage devices.

A power converter circuit with a source impedance monitor adjusts control variables to stabilize operation across varying input conditions.

A voltage shifter module shifts output voltage to a low-voltage range for accurate processing by an amplification module.

An adaptive charge pump dynamically adjusts output voltage levels based on supply input.

Capacitors link sense nodes to isolate magnetic interference, enabling accurate peak current monitoring in coupled inductor DC-DC converters.

A voltage conversion unit adapts supply levels to stabilize mobile battery operation.

A DC/DC converter applies non-linear control to phase clock signals upon detecting fast load current changes.

A power supply circuit uses a buck-boost converter to adjust input voltage levels, enabling additive power combination from sources with different limits.

Monitoring transformer switching cycles detects voltage drops early, ensuring reliable switch-off capability without relying on separate signal paths.

A hold-off period mechanism prevents premature switching caused by slow feedback reaction with small ESR capacitors.

A switching power supply device injects ripple into a reference voltage to improve switching steadiness.

A DC-AC inverter control system regulates positive and negative supplies using error signals to maintain output voltage limits.

A variable compensation circuit adjusts switching regulator slope signals based on detected duty cycle percentages.

A buck converter paired with a polarity reversal module generates alternating current for railway signaling equipment.

A control circuit samples voltages from a sensing resistor to calculate real peak current, reducing output current errors caused by propagation delay.

Primary-side control flyback converter calculates secondary voltage drop using primary current to adjust PWM switching timing.

A boost converter uses a peak current adjustment circuit with a gain control comparator to regulate switch operation.

Interleaving control circuit adjusts slave switching turn-on moments based on phase zone judgments to reduce input ripple and improve EMC performance.

A half-bridge circuit uses bi-directional GaN HEMTs to conduct current in both directions without external diodes.

A variable output voltage regulator circuit conserves charge on isolated capacitors to accelerate voltage transitions.

A hybrid electrical energy storage system uses a push-pull forward converter to manage current peaks between electrochemical batteries and supercapacitors.

A waveform shaping circuit generates stable negative gate voltages for GaN-HEMTs using Zener diodes and rectifier networks.

A power conditioning circuit uses a boost converter and synchronous rectifier to step up voltage from renewable sources.

Reflected output voltage feedback eliminates opto-coupler propagation delay to maintain precise current levels in isolated power converters.

A capacitance multiplier circuit configures dominant poles to stabilize a buck-boost converter control loop.

A three-level converter feeds an auxiliary DC/DC circuit via a flying capacitor, reducing voltage stress on switches while maintaining efficient power delivery.

A PI compensation network clamp circuit stabilizes control voltage to enhance transient response speed in switching regulators.

Distinct switching frequencies per channel minimize output voltage ripple and component size while maintaining system synchronization.

A switching power converter detects output power using transformer reset time and auxiliary winding feedback for precise regulation.

Dual slope compensation currents prevent overshoot and stabilize DC-DC converter output.

An outer control loop dynamically adjusts the valley current limit reference voltage to regulate average inductor current.

A multiphase voltage regulator uses coupled inductors and dynamic phase shedding to optimize energy storage across varying load conditions.

Dead beat control in multi-phase interleaving power supplies prevents secondary oscillations by computing pulse widths from combined phase currents.

Dynamic switching frequency and peak current adjustments improve load response while minimizing power consumption at light loads.

Delay controller automatically adjusts clock delays based on channel on-times to prevent overlapping switching edges and reduce output voltage noise.

Auto-zero circuit estimates DC-DC converter power losses using output current and duty cycle data, enabling optimal phase mode switching to maximize efficiency.

Current mirror circuits form a positive feedback loop to reduce quiescent current and standby power consumption.

Segmenting high voltage transistors into serial low voltage units reduces switching loss and boosts driver efficiency up to 90%.

Sequential leg activation in parallel switching power supplies reduces conduction and switching losses.

A voltage converter adjusts external power supply levels to charge batteries directly without boosting circuits.

A switching power circuit senses node voltage before transistor turn-on to select phase compensation properties for the detected load state.

Closed-loop soft-start circuit eliminates overshoot in isolated switching regulators by regulating output voltage from 1.8V with a secondary side ramp.

Cascaded level shifter cells drive series switches with accurate node referencing, reducing propagation delays and improving switching efficiency.

An adaptive control circuit adjusts the SMPS duty cycle using input voltage references to damp oscillations during transients.

Masked over-current detection enables pulse skipping in buck converters, preventing inductor runaway while maintaining output voltage stability.