Dc-Dc Conversion TRIZ Cases

A signal generation circuit adjusts clock frequency to limit inductor current accumulation, preventing damage during DC-DC converter initial operation.

A servo block modifies the reference voltage to achieve high DC gain, eliminating output voltage fluctuations across varying load conditions.

A load driving control apparatus calculates duty ratios using current slopes derived from actual PWM cycle currents.

A current limit selector adjusts the final signal based on duty ratio to stabilize maximum current values.

A power supply circuit uses clock gating to stop signals in digital control blocks during fixed duty cycles.

Cross-connected feed lines supply drive circuits from adjacent cell converters, preventing output voltage drops when local self-feed devices fail.

A system combining AC series voltage regulators with low-frequency mains transformers for stable power delivery.

Auxiliary circuit compares feedback voltage with a ramp signal to source current, resolving slow response speed without increasing quiescent current.

A control device dynamically activates conversion channels based on processed power to reduce fixed losses and maintain high efficiency at low loads.

A pulse-width limiter constrains drive signal duration based on input voltage to protect switching elements.

A digital compensator detects time-varying input voltage disturbances and generates a compensating signal to stabilize the output current or voltage.

Alternating transformer input stages enable high duty-cycle operation, resolving magnetic flux reset limits while improving power factor correction.

A power converter generates negative voltage using a reverse voltage converter circuit controlled by digital signals.

Variable ON time control stabilizes switching frequency against input voltage changes, reducing switching loss and interference.

Amplified startup current charges the capacitor rapidly, reducing startup time without increasing power consumption.

A soft-off control circuit regulates shutdown via a variable reference signal to manage input voltage levels.

A transient voltage compensation circuit retrieves AC components from the output to control a switching element and supply additional energy.

Segmenting power flow through partial conversion reduces thermal losses and weight while maintaining full voltage matching capability.

Internal sensing circuitry measures input current through a parallel RC filter and op-amp comparison within the integrated controller.

An adaptive boost driver circuit dynamically adjusts its power supply voltage to maintain a stable bootstrap capacitor voltage.

A digital power manager integrates analog-to-digital conversion and pulse width modulation to control multiple non-isolated DC-DC converters.

Current starved delay lines replace power-hungry ramp generators to enable accurate narrow duty ratio control at high switching frequencies.

A pulse generation circuit modulates signal frequency to transmit abnormality notifications across a level-down interface in high-voltage integrated circuits.

A controller adjusts duty ratios across phases based on filtered current values to balance currents in multi-phase converters.

A back-gate control unit adjusts the threshold voltage of a main switching transistor to enable efficient operation at low input voltages.

Dynamic threshold switching prevents oscillation when input voltage approaches the desired output, ensuring stability and sufficient downstream voltage.

Dual-sensor buck converters regulate average current while adjusting switching frequency to maintain electromagnetic compatibility.

A wireless power receiving device modulates rectifier transistors to transmit data in-band using the same coils for power and communication.

A switching suppression circuit detects low power supply voltage to halt operation for a set duration.

A power conversion system manages DC-DC converter step-up operations and inverter output using separate controllers.

A voltage translator driver circuit uses internal bias and drive generators to control output slew rate and amplitude for signal integrity.

A comparator and off-time component generate a signal to hold the power switch off for a predetermined period.

Detecting circuit blocks PWM signals until terminal voltage reaches a threshold, enabling gradual output rise.

Driving the fourth switch in saturation slows inductor current decay, enabling accurate zero crossing detection and preventing negative currents.

A reference current source circuit uses threshold-controlled current sources to manage startup currents and minimize power consumption.

Phase-dependent droop functions resolve current sharing inaccuracies during start-up ramp phases in paralleled switched mode power supplies.

A soft start circuit compares feedback signals with ramp voltages to enable systems from residual voltage levels.

A complex power management device uses a common reference line to control DC/DC converter switch states.

Switched mode regulator converts voltage for optocoupler diode drive using inductive energy storage.

A switched mode power supply uses a switchable second resistor divider to lower impedance at the error amplifier input during load changes.

A switching regulator uses a random number generator to vary threshold currents and spread electromagnetic interference across a wider frequency band.

A digital signal processor injects a reference signal into the control loop to measure the transfer function, resolving output regulation precision challenges.

A feedforward circuit generates a voltage from differential current sense signals to control switch timing in an emulated peak current mode synchronous buck converter.

A constant on time control circuit injects a ramp current into a differential pair to manage duty cycle timing.

A switching mode power supply uses a spectrum shaping circuit to regulate frequency.

A waveform conversion circuit uses capacitive coupling and voltage clamping to adapt gate drive signals for normally-off GaN transistors.

A magnetically isolated feedback circuit produces bi-polar pulses to sample load voltage via electromagnetic induction.

A synchronous push-pull converter merges switching and rectification functions into shared transistors to enable adjustable transfer ratios.

A synthetic ripple feedback network generates a signal in phase with inductor current for stable hysteretic switching.