Dc-Dc Conversion TRIZ Cases

Primary winding current is used to drive secondary synchronous rectifier control, cutting LLC converter losses and sensor cost.

Adaptive PWM timing changes switching frequency from the input-output voltage ratio to sustain converter efficiency across varying conversion ratios.

An ANN-based frequency modifier helps SMPS controllers react faster to load transients while cutting switching losses at low loads.

Adaptive ON-time control stabilizes boost converter switching frequency and lowers output voltage during overcurrent states.

A level-shift current mirror with error absorption integrates gate driving and current detection while maintaining high PSRR and reducing mounting area.

A midpoint-linked boost balancing circuit avoids a dedicated 4th leg, improves DC-link balance, and prevents common mode voltage.

A charge pump supplies compensation charge to stabilize output voltage during rapid load current changes without a large off-chip capacitor.

A shared isolation channel carries both logic and serial configuration data, enabling isolated IC parameterization without memory access in every domain.

Mode-switched compensation raises buck-mode bandwidth while preserving boost-mode stability in H-bridge buck-boost drivers.

Four actively driven primary-side switches balance parasitic capacitances to symmetrize common-mode voltage and cut EMI.

A ramped reference and staged PWM control smooth Buck converter startup, cutting inrush current and output voltage overshoot.

A SEPIC front end with monitoring and switchover stabilizes 12V-80V input to 50V, improving LVPS hold-up and transient protection.

Output-current thresholds switch AVP voltage curves to keep DC-DC converter output stable at full load and avoid CPU voltage margin loss.

A single power source delivers both welding and wire preheating power, cutting control complexity while reducing weld heat input.

Unidirectional balancing cells enable high step-down power conversion with fewer active devices, simpler control, and no central synchronization.

Active transistor switching lets one Ethernet power converter work as both PSE and PD, removing extra rectifiers to save space and cost.

A clamping switch and damping resistor absorb leakage inductance energy in a flyback converter to cut spikes, losses, and EMI.

A special switching state enables reverse power flow in a phase-shifted full-bridge DC-DC converter while reducing switch losses and control demands.

Samples transistor switching currents and inductor voltage to reconstruct inductor current for real-time control when direct sensing is impractical.

An amplitude limiter ties the EA signal to the soft-start reference, reducing startup voltage and inductor current overshoots while stabilizing DC loop buildup.

Synchronizing power supply switching frequency with the AC input waveform cuts low-frequency ripple, LED flicker, and capacitor size.

Timed gate-signal delays and pre-drive control suppress transistor self-turn-on during fast switching in switching power supplies.

An auxiliary diode and trim element adjust bias current outside the bandgap core to improve reference accuracy with less area and test time.

A transformer-based active-clamp buck-flyback topology cuts loss while maintaining dielectric strength across a wide DC input range.

Triple- and quintuple-frequency injection shifts ripple from the floating DC side, cutting capacitor demand while preserving efficiency.

A startup inspection circuit detects abnormal feedback voltage and stops output-stage drive before a power supply can overvoltage the load.

Integrated magnetic components create multiple isolated SMU power channels, improving channel independence while saving board space and cost.

Common-wiring feedback lets multiple isolated transformers stabilize output voltage under uneven loads while reducing separate control paths.

An energy tank and switch buffer dynamic load voltage drops in a DC/DC converter while limiting AC-side current distortion and grid harmonics.

Demagnetization-period voltage sampling enables precise OVP in PSR LED power converters without direct output-voltage measurement.

Temperature-dependent energy regulation adjusts voltage and current during load transients to cut power dissipation and improve thermal stability.

Using PWM encoding plus low-pass filtering, this case detects input power with wider linearity, lower noise, and better temperature stability.

Balancing switches and capacitors keep the flying capacitor voltage equalized, cutting switch stress, losses, and current ripple.

Multiple DC-DC converters combine AC, battery, and PoE inputs to keep internal circuits and tethered devices powered during source changes.

A secondary-side shorting switch stores energy in the transformer coil, stabilizing LLC output voltage with smaller tank components.

A leakage-drawing load and matched bias adjustment suppress high-temperature output leakage and cut linear regulator current use at light load.

A resistor-divider and switch network lets one comparator track multi-level converter voltage quickly with lower area, power, and mismatch.

Inductor-end voltage sampling replaces precision shunt resistors to improve switch converter current sensing accuracy, power use, and PCB simplicity.

Projected compensation-inductor current lets the controller correct pulse timing during load transients, reducing ring-back from lagging feedback.

Automatic current-sense adjustment balances temperature across multi-phase buck power stages without manual tuning, improving usability and efficiency.

Gradually increasing load line resistance in burst mode prevents TLVR current-limit instability, reducing voltage and inductor ripple.

Average current is derived from ON/OFF midpoint samples and modulation ratio to suppress switching-noise timing errors in power conversion control.

Branch resistors and semiconductor switches enable fault detection, isolation, and fail-over in redundant power supplies with low added complexity.

Dynamic PWM mode switching lets a DC/DC converter deliver fast grid support response while limiting energy use in normal UPS operation.

Different pin lengths and LLC soft start enable zero-voltage connection and zero-current unplugging to prevent terminal oxidation.

A bootstrap capacitor and mode switching block reverse battery current to PV panels at startup while preserving charging efficiency.

An active clamp limits driver supply overvoltage from switching-induced ringing, absorbing excess energy to protect gate drivers.

Parallel switching phases cut inductance and keep output current smooth, enabling efficient high-speed semiconductor laser pulse driving.

Dynamic peak-threshold offset control smooths PWM-PFM switching in converters, improving efficiency while limiting VOUT ripple.

A parallel discharging circuit empties the resonance capacitor before restart, preventing surge current and switch stress in a half-bridge flyback converter.