Dc-Dc Conversion TRIZ Cases

A switched capacitor-inductor drive circuit stabilizes liquid ejection optional units across varying commercial power voltages while reducing power loss.

An adaptive controller varies active power switches with load current to cut conduction and switching losses in DC/DC conversion.

Average current sensing corrected by compensation inductor feedback improves transient PWM control and output regulation in multiphase TLVRs.

A synchronizer delays peak current feedback until PWM switching settles, preventing race conditions and stabilizing switched converter control.

Synthetic ripple from on-time and off-time sawtooth signals stabilizes a boost converter without RC networks or current sensors.

A shared high-frequency DC bus powers multiple MRI gradient amplifiers while cutting insulation burden, power loss, and cross-talk risk.

An NTC in the amplifier feedback path stabilizes choke current sensing over temperature while enabling accurate bidirectional measurement.

SCCM keeps one switch off to force one-way current in a shared coupled-inductor buck-boost converter, cutting control complexity and reverse current.

Leading-phase target control helps newly connected static inverters match grid frequency and avoid overload, reverse power flow, and shutdown.

Threshold-based mode switching and latching keep buck converter output stable across 90-600 VDC input and shifting light-to-heavy loads.

A nonlinear current mirror shifts ratio by load condition to keep LDOs stable at light load while preserving fast transient response and power efficiency.

A single-switch inductor-capacitor converter cuts switching loss and circuit size while keeping adjustable heating power and longer battery run time.

Vapor phase deposition forms deep p-type trench columns in MEMS super-junction MOSFETs, enabling higher cell density and lower RDSON.

A compensation circuit injects a current-based pulse to cancel ground-bounce ripple in converter feedback and stabilize power conversion.

A dual inverter and switchable distribution board isolate a short-circuit fault while maintaining AC output to unaffected ports.

An RC current emulation circuit speeds TLVR buck converter feedback, correcting sensor lag to reduce output voltage ringing during load transients.

Conformal epitaxial trench doping forms deep p-type columns in narrow-pitch super-junction MOSFETs, cutting RDSON for low-voltage power conversion.

An auxiliary capacitor stores energy between load spikes, helping a single-inductor buck-boost converter avoid battery brownouts and extend usable battery life.

An adjustable gain stage in the feedback path keeps boost converters stable across wider load currents while cutting shunt loss and capacitor cost.

Reference-voltage correction smooths continuous-to-discontinuous switching in a DC/DC converter to limit voltage drop and power loss.

Adaptive front and back blanking times prevent valley jumping in quasi-resonant power converters, stabilizing switching frequency and reducing noise.

Two feedback paths split accuracy and speed in a switching power supply, improving load response and transient behavior.

Real-time imbalance sensing and gate timing adjustment help multi-phase LLC converters balance phase load, raise usable power, and cut EMI.

Input-voltage-based PWM frequency modulation cuts EMI in power converters while maintaining stable switching operation.

A vertical TLVR shifts decoupling capacitance into the ASIC or xPU package, enabling single-layer high-current VR modules with better transient response.

Controller-driven bridge rectifier switching transfers filter capacitor energy to the bulk capacitor for safe OBC discharge without extra hardware.

An inductor-based balancing circuit charges the lower-voltage bus capacitor to correct neutral-point imbalance and protect inverter stability.

An injection stage cuts leakage-inductance voltage to keep ripple current low across duty cycles without slowing transient response.

A direct output connection electrode bypasses the main circuit board, shortening the power path and lowering impedance to improve efficiency.

A control circuit makes the reference voltage follow feedback during DVS-down, removing delay when the regulator switches to DVS-up.

Controllers reuse the bridge rectifier switch to discharge filter and bulk capacitors safely during faults without extra hardware.

Injected current from secondary windings cuts output ripple and improves transient response in a multi-phase switching converter.

A two-quadrant controller feeds actuator discharge energy back to the supply, reducing heat generation and cooling load in optical systems.

A clamp circuit and minimum off-time control extend boost converter current limiting from low PFM levels to higher CCM operation with a small inductor.

Phase-shift and duty-cycle regulation keeps current and voltage setpoints stable in hybrid multi-active bridge converters, limiting surges.

Direct GMR flux sensing and PWM voltage control prevent abrupt toroidal core saturation, reducing losses, overheating, and stress.

Current-mode secondary-side flyback control improves transient response and removes type-3 compensation to cut parts and stress.

By holding compensation voltage after zero inductor current in DCM, this control scheme cuts undershoot and power loss during load changes.

Surface emitters send light through a support to photodiodes, enabling compact isolated high-voltage conversion without magnetic interference.

A switching trim head supply drives the generator trim coil with lower dissipation across a wide input voltage range while maintaining frequency control.

Additional constant-voltage phases give a piezoelectric converter more control freedom to stabilize output and power during transients.

Receiving-side voltage sensing adjusts full-bridge switch phase difference to limit transformer and load overcurrent under resistive load conditions.

A switching circuit draws auxiliary power from series capacitors while passively preserving voltage balance and reducing control complexity.

Clock-cycle counting with reference current compensation improves low load current measurement in switching converters for better power estimation.

Intermittent pre-charging pulses limit inrush current when a DC-DC converter restarts, helping prevent capacitor overcharging and circuit failure.

A modular substrate and terminal layout lets inline power modules scale for higher current while preserving low inductance and clean switching.

Dynamic body brake timing turns off converter stages after load-current drops to suppress output voltage spikes and limit ripple.

Interleaved coupled inductors and switched capacitors raise voltage gain while cutting stress and input ripple without complex balancing control.

Gate-voltage control lets PMOS/NMOS switches clamp voltage during boost converter shutdown, reducing coil current spikes and overvoltage.