Dc-Dc Conversion TRIZ Cases

A control circuit switches inductance and converter mode by load current to cut AC loss at low load and DC loss at high load.

A local PWM control circuit drives primary and secondary switches from one input, cutting SMPS conduction losses without added controller burden.

A local control circuit derives non-overlapping primary and secondary PWM signals from one input to cut SMPS conduction losses and control complexity.

A four-switch interface converter with distributed supercapacitor storage cuts current ripple and inductor cost while keeping the STATCOM operating.

A modeled inductor current waveform with PI-updated inflection points predicts converter overcurrent without current sensors, protecting switches.

Dual monitoring of output and feedback voltage maintains overvoltage protection when resistor faults distort the feedback path.

Grounding and voltage control on the PV DC bus mitigates polarization-driven PID, cutting power loss and extending module service life.

A shared error signal synchronizes parallel dividing modules to suppress output voltage oscillations and stabilize DC conversion.

Orthogonal duty-cycle and balance-factor loops share correction data to cut group delay and improve one-cycle averaging in 3-level converters.

An inverse input-voltage current loop helps boost and buck-boost converters suppress ripple transfer and stabilize output voltage.

A piezoelectric resonator joined with added mass or compliant material cuts losses and boosts power density in smaller power converters.

Dynamic switching frequency and deadtime control over each line cycle cuts inverter losses and helps prevent inductor saturation.

Dynamic output prioritization and time control in a SIMO regulator reduce cross-regulation and keep multiple output voltages stable.

A digitally controlled converter replaces heavy iron-core transformers with EMI filtering and adaptive AC voltage conversion for portable use.

A ZTC current source and ADC-tuned gain calibrate current sense channels in switching converters, cutting temperature error without external parts.

A charge pump recycles bypass FET gate leakage to hold startup regulator bias, cutting power use and widening the high-voltage input range.

Variable compensation in an H-bridge buck-boost LED driver cuts dead time and overshoot during LED switching to keep brightness stable.

A voltage regulator controller drives low-side and high-side transistors to bleed input and output rails quickly, avoiding shutdown-related boot failures.

Current sensing and feedback lower display digital-circuit voltage as load drops, limiting spike damage while reducing power use.

Using a super-junction MOSFET, this buck converter cuts switching loss and heat to reach higher output power at lower cost.

A closed noise balancing circuit uses half-bridge capacitors and a control-side choke coil to cancel common-mode currents with less heat and power loss.

An added bias-control loop boosts transient response and prevents output-voltage overshoot without raising steady-state power use.

A droop compensation circuit shifts and holds converter output voltage across load changes to suppress undershoot and overshoot.

Coupled permission signals enforce phase order in a step-down converter, preventing skipped phases, negative coil current, and EMC issues.

Control circuitry detects output undershoot and aligns multiphase PWM timing to extend pulses, stabilize voltage, and improve regulator response.

A switched resistor or capacitor in the PWM compensator keeps loop gain stable across duty cycles, reducing output voltage undershoot and overshoot.

A tracking current source and scaling resistor hold a stable 1.8V floating rail from 1.6V to 4.8V while drawing under 100 nA.

A synthetic voltage circuit combines supply and reference voltages with PVT detection to keep transistor body bias stable and prevent latch-up.

Filtered and rectified capacitor ripple reveals power supply degradation early, helping building systems prevent downtime and plan maintenance.

An active shield winding between transformer windings cancels displacement currents to cut common-mode noise without raising earth leakage.

Mid-interval sampling with transconductance amplifiers and a capacitor improves average current control in boost, buck, and buck-boost converters.

Adjustable square-wave and DC output helps tattoo machines handle different skin types with more consistent needle penetration and effects.

Phase-shifted capacitor coupling in an electronic-embedded transformer cancels leakage inductance to equalize parallel converter currents.

A machine learning predictor and event-based buck control curb microprocessor voltage droop and overshoot with faster, more efficient regulation.

Injecting a controlled current dip into gate drive transitions suppresses switch-node ringing and EMI while limiting switching loss.

Bypass, boost, and hold control cuts light-load switching and transformer losses while reducing bus capacitor size in cascaded power conversion.

OFF-skip control keeps the output switch ON during low input-output voltage conditions to prevent voltage dips and preserve load response.

A composite E-core and powder-compact T-core with a tuned gap adjusts inductance while improving heat dissipation without cooling pipes.

A timed extended current limit lets a switching regulator handle short peak loads, reducing voltage droop and oversized PMIC components.

A Zener-clamped transformer drive limits switch-off voltage and speeds energy decay, improving ultrasonic receive sensitivity and range.

Ping-pong ramp compensation and current integration smooth buck-boost switching, reducing overshoot, ringing, and settling time in power circuits.

Dynamic bypass, boost, and hold control cuts light-load switching and transformer losses while reducing bus capacitor size and cost.

Adjusting drive voltage by rectifier wave mode cuts dynamic power swings and simplifies variable-frequency power supply design.

By cascading power-supply and inverter voltages, this PV architecture cuts cable current, lowers wiring cost, and helps mitigate PID.

Inductor-assisted self-driving in a stacked high-side MOSFET stage lowers gate-charge loss and enables efficient high-voltage switching.

Falling-edge sample-and-hold sensing boosts RF face tracking sensitivity while cutting power use, inductor size, and circuit area.

An interrupt circuit cuts off the low-voltage branch when interface voltage rises above load rating, preventing overvoltage damage.

Staggered long and short housing fins improve cooling in high-heat regions while limiting converter weight and fin structure complexity.

Selective port isolation around a central transformer enables scalable AC/DC power conversion without grid downtime or major infrastructure changes.

A replica MOSFET and bistable feedback circuit track the Miller plateau precisely, improving switching control and reducing driver power loss.