Dc-Dc Conversion TRIZ Cases

Switching PV power devices between conversion, bypass, shutdown, and wakeup modes limits heat buildup and power losses while preserving output.

Phase-node threshold switching between constant-current and constant-voltage drive limits overshoot, surges, and power loss in regulators.

Sensing load current during low-side on-time extends the detection window for short PWM pulses and improves SMPS overcurrent protection.

Slope compensation shifts drive-signal timing from output-voltage feedback, improving buck converter response to changing loads.

Switching and bypass circuits let swap batteries discharge together with the main battery, cutting converter count while improving charging speed.

A diode bypass path and controlled switch divert reverse current, protecting the DC/DC power stage while limiting loss and switching-speed penalties.

Voltage polarity and current anomaly detection open a bus breaker to isolate reverse-connected or shorted DC/DC units and stop backfeed damage.

Extending current sensing into low-side on-time improves overcurrent detection during short PWM pulses and helps limit heat in SMPS gate drivers.

Window comparators track LED headroom and tune boost voltage, cutting power loss while driving all array segments simultaneously.

Slew-rate estimation lets a power converter react faster to load transients, cutting voltage overshoot and undershoot without extra capacitors.

A GMR core sensor tracks half-cycle flux in real time and steers PWM voltage to prevent toroidal transformer saturation and overheating.

Dual random spread spectrum PWM combines analog and digital dithering to cut peak EMI across low and high frequency bands.

A branch switch redirects drain current to charge a bypass capacitor, giving an isolated converter controller self-powered operation without extra sources.

Hybrid switching cells around a magnetic core create fractional turns ratios that cut copper loss and shrink transformers across wide voltage ranges.

Multiple buck, boost, and buck-boost regulators let each vehicle load receive stable voltage and current with lower energy use.

A ripple injector combines DC and ripple feedback in constant on-time buck control to cut jitter and improve voltage regulation.

A combined feedback pin lets one controller manage charging and LED driving, freeing pins for DALI and lowering emergency lighting PSU cost.

Blanking noisy turn-on ringing and reconstructing the missed waveform slope improves RDS(on)-based current sensing in switching converters.

Clamping the loop voltage before transients propagate helps power converters limit input current overshoot and protect against overcurrent damage.

A reference-voltage NPN switching scheme avoids false overheat alarms during intermittent operation while keeping IC current consumption low.

A local startup load pulls down fuel cell voltage before DC/DC connection, cutting converter oversizing, cabling, and space use.

Pulse-width detection and output feedback adjust the primary gate ramp to curb secondary voltage spikes while preserving flyback power transfer efficiency.

A bridge circuit switches between PWM and analog current control to cut ripple noise and improve secondary battery charge-discharge evaluation.

Blending simulated and sensed current signals preserves waveform accuracy in smart power stages when high-frequency PWM leaves too little sensing time.

Cascading power module and inverter voltages cuts current, cable size, and wiring count in grid-connected photovoltaic power systems.

A solar and USB-C hybrid charging scheme uses boosted input and capacitor cell balancing to prevent overcharge while extending remote life.

Shared low-side switching and variable sense resistance cut backup power circuit count while improving charging capability and sense accuracy.

Gate-signal sensing tracks slew and end-of-slew events in cascode power switches, enabling deadtime control for zero-voltage switching.

Multiple parallel-input, series-output converter stages let a catheter ablation circuit reach target voltage quickly while widening treatment range.

A high-resistance internal path precharges external energy storage, limiting inrush current before a low-loss primary path takes over.

A copper backplane equalizes MOSFET path resistance in a bi-directional DC/DC converter, supporting high-current battery charging and fast reversals.

A tuned mix of crystalline and amorphous particles helps inductors keep permeability, cut iron loss, and sustain DC bias at high frequency.

An isolated feedback signal helps an LED load controller regulate current and voltage for stable dimming across a wide intensity range.

A dual-path LDO uses pulsed feedback and a charge pump to speed voltage regulation while limiting silicon area and quiescent current.

A boost-triggered regulator booster counters DDR load-transient voltage droop with an impulse circuit, improving supply stability during burst current spikes.

Variable output impedance improves current sharing in parallel power converters while preserving load regulation at start-up and steady state.

PWM-controlled series-parallel switching with low-pass filters extends constant power output across a wide DC voltage range while smoothing current.

Local and remote voltage sensing triggers a resistive discharge path to curb load-release overshoot without adding output capacitors.

A shallow signal switch triggers no-load disconnection before HVDC electrode separation, preventing arcs while supporting both AC and DC inputs.

High-frequency isolated transformer switching enables microsecond bus transfer between power sources without large UPS batteries.

A digital nonlinear feedback transform keeps power-converter bandwidth stable across input voltages, cutting ripple without extra sensing hardware.

Built-in galvanic isolation in hybrid MMC submodules removes the need for external transformers, cutting converter weight, volume, and cost.