Dc-Dc Conversion TRIZ Cases

A single control loop coordinates Buck and Boost PWM signals to cut output ripple and shorten mode-transition transients.

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

Integrated decoding and preset functions let a half-bridge driver chip program circuit parameters without extra pins or external connections.

Phase-locked loop timing and branch charge control suppress SIMO buck cross modulation, cut ripple, and widen the load range.

A shared bootstrap capacitor drives multiple SIMO output switches, cutting pins and off-chip capacitors while preserving output regulation.

A transconductance-based buck control circuit stabilizes LED average current to suppress flicker, support dimming, and maintain high power factor.

An asymmetric magnetic-leg layout with partially overlapped windings cuts AC ripple and improves saturation resistance in compact power modules.

Sensing-based base-drive control helps flyback bipolar transistors switch faster with lower losses, extending charger power beyond 10 W.

Adaptive PWM table learning updates pulse width control codes for piezo speaker drivers, improving sound quality while lowering steady-state power use.

PWM phase-shift control of a coupled inductor generates ripple current to discharge switch capacitance and cut switching losses.

When an optimizer module fails, bypass control reconnects the PV component to the inverter path to avoid power loss and maintain output.

Selective half-bridge modulation and clamping reduce MOSFET imbalance, rectifier blocking voltage, and transformer stress at high input voltages.

Three isolated DC-DC converter phases replace multi-stage SST conversion to cut component count, cost, and reliability loss.

By combining periodic and random waveforms, this converter clocking approach cuts EMI from 150 kHz to 1 GHz.

A regulated sense resistor and filtered replica signal track FET current to control parallel switch activation and cut converter power loss.

Variable comparator bias tracks input voltage difference to speed transient switching while keeping quiescent current low.

Variable blanking time and dynamic phase interleave cut undershoot and overshoot in multiphase regulators, reducing capacitor size.

A control circuit learns capacitor voltage and adapts converter parameters to deliver faster, more consistent LED turn-on across varying load voltages.

Parallel isolated DC/DC converters with voltage control let diverse loads and energy sources connect flexibly without destabilizing the grid.

Direct die coupling through conductive segments and vias removes bond wires, cutting parasitic inductance and improving isolation converter efficiency.

A single-inductor six-switch buck-boost circuit sustains positive holdup voltage during input loss, even when the load output is inverted.

A six-switch buck-boost circuit uses one inductor and a holdup capacitor to sustain negative output voltage during input power interruption.

Offset current sensing and a time-varying threshold enable diode-emulation startup that raises converter output voltage without dips.

Real-time monitoring of temperature, current, and voltage enables dynamic duty cycle control to prevent welding overheating and shutdowns.

A split-die sensor pairs a high-bandgap sense transistor with silicon feedback to measure switch current and protect power converters.

Controller feedback adjusts target output voltage near input level to maintain minimum boost ratio and prevent overvoltage or overcurrent.

Delayed enable signals stagger DC-DC converter startup so output peaks do not overlap, avoiding overcurrent shutdown in LED power systems.

Parallel voltage and double current loops let a voltage source inverter boost response speed and stability while constraining overcurrent.

Flexible ELV module interconnection cuts balancing losses and keeps extra-low voltage networks powered when the high-voltage system is off.

A split resistive-capacitive feedback divider cuts output noise while preserving stable converter voltage despite filter impedance.

A compensation capacitor stores sense voltage during blanking and restores it in averaging, cutting DC-DC current sensing error below 1%.

Dynamic compensation shifts pole-zero behavior with load capacitance to preserve amplifier stability, phase margin, and unity gain bandwidth.

A threshold-based switching mode limits peak inductor current in wide-input buck converters to improve stability and resist load disturbances.

Threshold-triggered soft-start switching smooths buck converter startup at high DC link voltage, limiting load overvoltage and capacitor size.

Diode clamping and a voltage-stabilizing source cut DC-DC output current to limit overload power and prevent excess temperature rise.

A processor predicts large load current transients and triggers VR turbo control to cut voltage droop and overshoot without constant high-frequency switching.

A single-chip start-up and control circuit uses a depletion GaN-FET and MOSFET cascade to cut chip area, power use, and support high-frequency switching.

Additional switching transistors, diodes, and a transformer route surge energy during low PV output to prevent transistor breakage and wasted power.

Current-based gate control suppresses resonance-driven repeated switching in bidirectional DC-DC converters and improves rectification efficiency.

Voltage limiting and PWM control let wide-input HVDC motor drives use standard components while reducing creepage, PCB size, and voltage stress.

A charge pump sustains MOSFET gate bias at startup, cutting pull-up resistor losses and widening high-voltage input range.

Dynamic switching sequences regulate neutral point voltage, cut ripple, and equalize losses in stacked half-bridge converters.

An auxiliary boost controller takes over the boost stage in bootloader mode to keep standby power regulated and continuous at low input voltage.