Dc-Dc Conversion TRIZ Cases

A switched-mode power supply circuit uses a latch timer to measure overvoltage duration for precise detection.

A power control system separates the power control module from the timing control module to reduce package pin requirements.

A power converter uses bidirectional pulse width modulation regulators to manage voltage and energy flow in radio transmitters.

A flyback converter control circuit uses input and output voltage signals to calculate switch turn-on time for direct current regulation.

Primary side sensing captures reflected voltage before secondary drops degrade accuracy, eliminating optoisolators.

A pulse generator drives a hysteretic controller with set and reset signals, stabilizing the switching frequency for consistent transient response.

An all-digital proportional derivative controller regulates output voltage through adaptive power gating.

Adaptive on-time pulse generator maintains quasi-constant switching frequencies while enabling instantaneous response to rapid load changes.

Exponential delay control in pulse train conditioning circuits reduces component count and area while maintaining adaptability to manufacturing variations.

A discharge device regulates internal power via a control signal generator to ensure safe voltage levels during shutdown.

A feedforward circuit modifies digital pulse width modulation signals using analog voltage inputs to enhance control responsiveness.

A polarity reversal protection transistor safeguards rectifier diodes in DC-DC converters by diverting harmful reverse currents.

A buck converter voltage driver switches between open and closed pass modes to regulate output.

Control device produces cutoff commands for series switching elements to sense terminal-to-terminal voltages during power conversion.

Dynamic hysteresis window adjustment prevents premature shutdown during load transients.

Controller synchronizes interleaved flyback converter legs via feedback control, resolving component mismatch issues and reducing ripple current.

Closed-loop control adjusts high-side and low-side switches to suppress noise at specific frequencies, preventing interference with wireless transceivers.

Active droop current sharing circuit integrates threshold level generator and switching controller to balance output currents among parallel power converters.

A GaN voltage regulator generates internal negative drive voltage using switching pulses and an LC circuit.

A voltage boosting circuit modulates its duty cycle automatically to adjust energy delivery based on load requirements.

A power adapter uses dual secondary windings to generate separate low and high DC voltages from a single transformer.

A bidirectional buck-boost converter design centers battery voltage automatically using capacitor coupling between parallel units.

A switching device uses shared rectification circuitry and sub-switching elements to manage current flow across multiple output terminals.

Group pulse mode control concentrates switching noise at specific frequencies within power converter circuits.

Control circuit overrides switching elements to suppress capacitor voltage rise during short circuits.

Compensation circuit reduces overlap effects between multiple feedback loops, ensuring high stability and shortening charging time.

A converter uses segmented switching circuits to achieve non-integer voltage conversion ratios while maintaining efficient winding losses.

A power conversion circuit uses a clamping diode to reduce voltage change rate, preventing excessive switching losses during high-speed operation.

Discrete detection pulses drive a control actuator that averages correction signals, reducing feedback system complexity while maintaining regulation accuracy.

A main capacitor with high energy-power ratio scales voltage across series ICBT cells, eliminating active gate-drive sharing circuitry.

A control circuit segments voltage filtering into separate paths to eliminate input ripple while maintaining fast peak detection response time.

A determination circuit assesses output voltage relative to input voltage variations.

A protection circuit detects bootstrap capacitor voltage to control high-side and low-side MOSFET switching states.

A current shunt switch diverts inductor current away from the output capacitor, minimizing negative voltage excursions during load dump transients.

A dynamic boosting circuit reconfigures capacitor stages via a switch to generate multiple voltage levels.

Alternating dual buck converters and grounding switches reduce electromagnetic interference during grid connection.

Dynamic clock frequency adjustment reduces transformer magnetic saturation risk and minimizes switching losses in switching mode power supplies.

Segmented feedback loops in a power converter optimize settling time and stability when switching between 5V and 20V USB Power Delivery outputs.

Injecting ripple correction current into a decoupling capacitor reduces supply current variations caused by manufacturing tolerances and operational drift.

A buck-boost DC-DC converter adjusts output voltage using selectable reference levels and a current ramp control stage.

A switched-mode power supply control unit switches operational modes to adjust output voltage.

Segmenting the sensing path into DC and AC components allows low-value sense resistors to reduce power dissipation while maintaining high signal-to-noise ratio.

A switching control device measures turn-on and turn-off delays to dynamically adjust dead time for precise state transitions.

Series diodes limit drain-source voltage in semiconductor circuitry, preventing SEB breakage and power loss during operation suspension.

A power supply device uses a shared transformer and output converter to generate independent driving voltages for multiple components.

Segmented control loops maintain flying capacitor voltage across wide duty cycles, reducing switching stresses and improving stability.

A switching power converter control device divides reference power by input voltage to generate an adaptive charge signal.