Dc-Dc Conversion TRIZ Cases

A load dump compensation circuit diverts bias current from a bootstrapped driver to ground.

A pulse voltage device manages booster diode switching to suppress electromagnetic interference radiation.

Series balance inductors equalize secondary winding leakage inductance differences to stabilize power converter current control.

Saturable inductors enable magnetic switching of power diodes, eliminating freewheeling diodes and active components for reliable satellite power supplies.

An inverse Kalman filter estimates Buck converter component parameters to identify faults.

Peak-hold circuits isolate ringing voltage from surge components, enabling accurate detection and feedback control to prevent equipment damage.

A DC/DC converter cell enables bidirectional energy transport through a symmetric H-bridge topology.

Vertically coupled inductors share a magnetic core to minimize interference, reducing resistive losses and PCB space.

Dual parallel PMOS paths with control circuitry ensure reliable logic state propagation under reduced supply headroom conditions.

A controller calculates equivalent operating time to balance phase wear in power converters.

Inductor current slope analysis replaces continuous voltage comparators to reduce power consumption while maintaining rapid mode detection accuracy.

Phase shifting voltage regulators reduces noise injection into the power plane, eliminating bulky input chokes and bulk capacitors.

A power device driving apparatus uses isolated supply units to generate distinct voltages for individual drive circuits.

A driver system uses a housekeeping power supply to switch off normally on transistors during irregular operations.

Adjusts a transfer function using output voltage and pulse width modulation amplitude to reduce second-order ripple on the DC-DC converter input side.

A switching power supply device modulates the semiconductor switching frequency using a jitter control unit to spread electromagnetic noise.

A switching regulator driver uses a source follower circuit to supply current-limited signals during reverse recovery.

Segmenting voltage handling across multiple switches reduces ON-state resistance and manufacturing costs while maintaining high-voltage capability.

Segmenting voltage regulation and backup storage in the power circuit prevents sudden power loss during outages.

A five-level inverter modulation method controls switching devices using threshold values to prevent narrow pulse generation.

A welding device adjusts inverter frequency based on output-on period to optimize switching element operation.

A controller synchronizes multiphase power switch operations with reference signal edges to improve timing precision.

Compare units detect short circuits and verify monitoring circuitry health by sensing switch voltages in both ON and OFF states without separate test routines.

Adaptive common-mode control with a fly capacitor reduces cross regulation by 20 dB and minimizes output ripples in single-inductor converters.

Separating bias voltage from the feedback signal allows a small measuring resistor, reducing power consumption by scores to hundreds of times.

A transformer serves as a shared isolation barrier for power and data channels, integrating a detuning circuit to modulate resonance on the secondary side.

Multiple secondary windings coupled to switch pairs eliminate high dV/dt isolation requirements and simplify drive circuits.

A voltage regulator IC integrates programmable resistor and capacitor arrays for internal compensation tuning.

IGBT and FET circuits reduce line voltage through pulse width modulation, addressing grid load spikes during brownouts.

A multi-phase switching converter controller skips circuits detecting overcurrent conditions to maintain output voltage.

Buffer suppresses initial transient spikes to enable accurate duty cycle control while reducing silicon area requirements.

Inductive coupling and proportional conversion eliminate large passive components, reducing cost and area while maintaining transient response accuracy.

A control circuit manages inductor current slopes across three states to reduce switching loss.

Predictive gate drive signals minimize body diode conduction time and prevent negative currents by adjusting delays based on previous conduction data.

Channel selection circuit applies offset voltages to bias feedback control circuits away from activation thresholds in parallel power stages.

Secondary controller measures ringing duration to modulate primary switch charging time via transformer magnetic coupling.

A single integrated controller reduces conduction loss and eliminates complex switching algorithms by segmenting buck and boost circuits.

A polyphase DC-DC converter balances phases by evaluating voltage ripples across a capacitor with internal resistance.

A digitally controlled DC-DC converter uses multiple PWM signal generators to adjust duty cycles for dynamic power delivery.

Autonomous pass-through mode reduces idle current consumption by coupling adapter power directly to the output, eliminating external processing overhead.

An asymmetric two-stage DC-DC switching converter uses multi-phase operation to deliver high transient response at heavy loads.

An estimator determines inductor current via voltage measurements, resolving output signal integrity issues without increasing circuit complexity.

Control logic circuit generates driving pulse signals based on clock and timing signals to suppress output voltage variations during abrupt load changes.

Automatic adjustment of reference voltage eliminates manual parameter tuning, improving stability against overloading and short circuits.

A switched mode power supply sets reference voltage from prior switching cycles to stabilize duty cycle.

An integrated circuit uses dual drive circuits to control a power transistor gate voltage.

A switching power supply control circuit samples output voltage at multiple points within each switching cycle to adjust the duty ratio.

Integrated control circuit regulates output current via primary-side sensing, eliminating separate detection components to reduce power loss and PCB space.