Dc-Dc Conversion TRIZ Cases

A high-voltage startup circuit uses dynamic resistance control to manage charging current flow between pins.

A single-phase three-wire inverter calculates duty ratios using real-time inductance and voltage data to drive power conversion.

A DC/DC converter control method adjusts switch states to balance neutral-point voltage using capacitor difference detection.

A switching circuit controller integrates voltage across an inductive component to generate a magnetic flux signal for accurate peak magnetization current control.

Phase-shifted clock signals stagger multi-channel DC-DC converter switching cycles, minimizing electromagnetic interference and decibel noise levels.

A reconfigurable DC-DC converter disables boost mode during buck operation to reduce power losses and improve efficiency.

Adaptive on-time thresholds allow a multi-phase switching converter to exceed the traditional duty cycle limit while maintaining stable transient response.

A flyback converter regulator adjusts pulse off-time and period to maintain output voltage stability during light load conditions.

A mixed-signal controller regulates voltage using analog and digital circuitry.

Dual-bridge DC/DC converter eliminates circulating current and minimizes power losses by maintaining a constant 50% duty cycle.

A volt-second clamp system adjusts reference voltage inversely to input voltage for precise transformer control.

Control circuit generates negative gate voltage relative to source potential to accelerate N-type transistor turn-off and prevent unintended reactivation.

A DC-DC converter adjusts switching frequency using both cooling medium and switching element temperatures to manage thermal loads.

A valley detecting circuit clamps and level shifts a proportional voltage to identify the minimum point across a switching device.

Hardware comparators monitor input voltage states to generate control signals, preventing latch-up phenomena and reducing system complexity.

A power supply device determines duty ratio to maintain output voltage using a low-pass filter unit.

Dynamic hysteresis width adjustment suppresses switching frequency fluctuations in vehicle microcomputer power supplies.

Sampling the inductor node voltage generates a stabilization ramp that maintains feedback stability at duty cycles above 0.5.

Auxiliary switching regulator manages high current demands while detection circuit monitors linear power supply output levels.

A multiphase power supply device adjusts phase currents to maintain thermal balance and display real-time efficiency metrics.

Segmenting the DC link allows IGBTs and MOSFETs to operate in optimal ranges, reducing conduction losses while maintaining high blocking voltage.

An impedance estimator guides a current controller in a switching power stage to reduce electromagnetic interference and improve power efficiency.

A controller multiplies input signals with a jitter signal to maintain constant output power in switching mode power supplies.

Offset compensation via leakage current reference corrects phase mismatches, ensuring accurate current sensing and reducing heat generation.

A boost converter controller dynamically adjusts switching based on estimated load current to manage transient modes.

Discharge circuit removes charge from primary-side filter capacitors via freewheel diodes, preventing secondary-side overvoltage and repeated shutdowns.

Cascode circuit with positive temperature coefficient maintains constant drain current, reducing dropout voltage while preventing gate breakdown.

A voltage regulator uses a single differentiating capacitor in its feedback circuit to generate fast transient response signals.

A distributed SMPC controller adjusts phase shifts via local delay lines to maintain optimal interleaving across multiple power converter modules.

Current emulation circuit copies switch current to generate accurate inductor signals, eliminating resistance variation errors.

A detection circuit senses transformer input voltage via an auxiliary winding and current source to simplify control architecture.

An auxiliary coil generates feedback signals to regulate oscillating amplitude, resolving the trade-off between power loss and transient response speed.

A pre-charging circuit uses a push-pull arrangement and reference tracking to stabilize output voltage levels.

A supply voltage generating circuit manages freewheeling current using a switching circuit and energy storage element.

A switching regulator uses a differential measurement circuit to capture average current through the switching transistor.

Segmented current paths in a boot charge circuit stabilize bootstrap capacitor voltage across process corners and temperature variations.

Segmented parallel modules reduce device complexity and assembly costs while maintaining bidirectional energy flow for battery testing.

A switching control circuit employs multifunctional external terminals to enable diverse operation parameters without increasing package size.

A voltage regulator control circuit maintains output voltage at a clamp level when load current falls below a transition threshold.

Nested shielding and strategic Y-capacitor placement minimize noise transfer gains, suppressing common mode currents generated by high-frequency GaN switching.

Separating the control signal generator ground eliminates voltage regulators, reducing circuit complexity while maintaining constant current output.

Digital controller adjusts phase switch timing to stabilize output voltage, reducing bulky output capacitance requirements in microprocessor power modules.

An auxiliary power switch turns on earlier than the main high-side switch to control gate drive signals.

Floating capacitors charge the gate drive circuit at minimum switch voltage, eliminating auxiliary transformers and reducing conduction losses.

Dynamic peak-current threshold adjustment minimizes energy loss during freewheeling states while maintaining regulated output voltages.

A voltage conversion circuit uses a P-type transistor to switch between saturation and linear regions for dynamic buck and boost operation.

Removing the gate drive transformer eliminates signal distortion and reduces power consumption while maintaining precise voltage control.

Capacitors store harvested radio wave energy to decouple startup timing, eliminating the need for vehicle proximity while extending battery lifespan.

An N-phase full bridge power converter balances conduction currents across multiple isolated bridge legs using phase-shifted PWM signals.