Dc-Dc Conversion TRIZ Cases

Average current control in an H-bridge buck-boost LED driver enables sub-microsecond pulses while keeping inductor current continuous.

Opposing MOSFET temperature coefficients create a stable reference voltage with ±0.5% deviation and 1 μA or less current.

Connecting all HVNWs to supply voltage suppresses parasitic current and noise, enabling a stable ground-referenced reference voltage.

Quadrangular switching in a multilevel buck-boost bridge cuts inductor ripple, enables zero-voltage switching, and lowers common-mode EMI.

Reconstructs inductor current from inductor voltage differences and capacitor charging, avoiding transistor state sensing and switch-drop errors.

Asynchronous edge detection and dead time pulses prevent both switches from turning on together while cutting power use and delay.

Movable secondary coils vary magnetic coupling to adjust transformer gain without a bulky magnetic core, improving compact high-current power transfer.

Measured on-time and off-time adjust current thresholds to compensate loop delay and reduce overshoot, undershoot, and average current error.

Pulse-triggered level shifting and current mirrors cut stable-state current in a high-side transistor drive circuit for DC/DC converters.

A graft-polymer coating chemically bonds to carbon steel to resist corrosion, abrasion, and chemicals without detaching or disrupting manufacturing.

By comparing terminal impedance during output draw and pause, this case isolates fuel cell stack impedance from converter and auxiliary loads.

Built-in winding wires create a controllable Y-capacitor inside the transformer to suppress EMI while freeing PCB space.

A three-layer impedance reshaping strategy identifies and recovers instability across coupled multi-port energy router subsystems.

A model-based test fixture measures switching behavior through conductive I/O to calculate quiescent current quickly and accurately without external passives.

Separating peak and average current control limits boost-converter inductor current while reducing slope-compensation error and sub-harmonics.

Modular converter units share a trigger signal to scale phase count without controller redesign, reducing IC area and heat dissipation.

Phase-inverted dual power units cancel secondary-side high-frequency voltage in capacitor-isolated supplies, improving circuit stability.

Dynamic PWM edge and switching-period control improves output voltage regulation and phase current balance under changing loads.

Separating boost and buck stages under one controller cuts heat and simplifies vehicle power conversion for varied device voltages.

Cuts blocking capacitor banks in an isolated multi-phase DC/DC converter while preventing transformer saturation and improving power density.

Duty-cycle-based reference voltage control keeps switched-mode power supply output smooth and predictable across varying input voltages.

Dual voltage thresholds infer actual AC polarity despite phase shift, aligning full-bridge switching timing to suppress overcurrents.

A flying-capacitor DC-DC stage and SVPWM multi-level inverter deliver medium-voltage UPS output without a transformer, cutting losses and harmonics.

Drain-voltage sensing adjusts GaN HEMT gate bias during reverse conduction to cut voltage drop, conduction loss, and switching loss.

A buck converter with a steering leg cuts welding power losses by controlling inductor current decay and regulated AC output.

A charging IC doubles as the system power source for MCU, LEDs, and heater, cutting component count, size, cost, and USB inrush noise.

A shared auxiliary inductor and two series switches enable zero-voltage transitions in multi-level boost converters with fewer parts and lower weight.

An inductor-detecting multiplexer switches between sleep LDO and buck modes to cut leakage current and suppress output overshoot.

Real-time feedback and multilevel gate control help SiC power modules handle heat, current imbalance, and EMI with lower parasitics.

A boosted sensing supply isolates ripple from the induction heating circuit, enabling accurate susceptor temperature sampling and stable aerosol heating.

A single auxiliary inductor and two switches provide zero-voltage transitions across stages, reducing parts, losses, heat, and converter size.

A boost unit and source switching raise MOSFET drive voltage in non-isolated converters without extra windings, cutting loss and cost.

A coupled energy storage element and switch let battery modules exchange power and keep vehicle functions available during charging failures.

An overshoot detection circuit discharges the integrator during soft start to adapt voltage slope under changing load and output capacitance.

A hybrid MPU-plus-analog control scheme stabilizes multiphase DC-DC output voltage while improving load response and reducing control complexity.

Analog on-time extension keeps converter output stable as battery input drops, improving regulation and battery use under variable loads.

A variable compensation resistor or transconductance path cuts quiescent current while holding unity gain bandwidth stable in switch-mode power supplies.

A sampled-current compensation module adjusts the reference voltage to keep Buck driver output stable despite diode forward-drop changes.

An ON-timer clamp inside a DC/DC converter prevents false overvoltage detection caused by failed or disconnected output-side external elements.

A switched-RC slope compensation circuit tracks ripple-voltage slope to suppress sub-harmonic oscillation in power converters above 50% duty cycle.

A self-aligned gate poly silicide cuts trench MOSFET gate resistance without extra masking, enabling faster switching and simpler fabrication.

Peak-current and valley-current mode switching helps a power converter respond faster to load transients and keep supply voltage stable.

Adaptive primary-voltage sampling and frequency jitter improve load regulation and EMI behavior in insulated switching power supplies.

A shared inductor with reconfigurable input and output cells enables bidirectional multiport DC-DC conversion while avoiding cross-regulation and reducing EMI.

Alternating synchronized DC pulses deliver higher power over short Ethernet links while limiting voltage drop, cable faults, and system complexity.

A neutral-point line and common-mode current removal stabilize DC output voltage in a three-phase AC-DC converter.

Software-based error compensation improves parallel power converter current accuracy without extra circuitry, reducing cost, delay, and fluctuation.

Soft magnetic sheets on a multilayer PCB create a shared magnetic path that cuts radiation, spreads heat, and enables thinner power supplies.

A tuned resonance circuit boosts nozzle voltage in EHD printing to improve droplet size control, response, and thickness uniformity.

Current-sampled bidirectional switching limits ATS inrush current while cutting power loss and preserving capacitor charging and load output.