Efficient Power Electronics Conversion TRIZ Cases

Active transient response unit switches power stage states to rapidly dissipate inductor current during load changes.

A bi-directional DC-to-DC converter adjusts switching frequency and pulse waveforms via a resonant circuit.

Symmetric time shift control balances power switch timing to eliminate asymmetric detection stress while maintaining high bandwidth compensation.

A multi-output power supply circuit adjusts operating frequencies based on load states to reduce electromagnetic interference.

Feedback loop adjusts high-side NFET gate delays to synchronize parallel DC-DC converters, reducing input rail spikes and power dissipation.

A multi-mode high voltage circuit merges startup and sensing functions into a single device using dynamic biasing.

A power-factor correction circuit controls auxiliary load current to maintain a constant proportion of primary-load voltage and sum current.

A self-powered synchronous rectifier generates gate drive voltage from off-state reverse energy.

A multi-input DC converter uses a tapped transformer primary winding to merge power from multiple sources into a single switching circuit.

Phase shifting control in a resonant converter regulates multiple outputs independently, eliminating cross regulation issues found in conventional topologies.

A control circuit adjusts low-side switch timing based on output voltage comparison to optimize power delivery.

A power factor adjustment apparatus controls magnetic flux phase change in a transformer circuit to optimize energy transfer.

A single-inductor dual-control loop converter shunts freewheeling current via a power shunt transistor to minimize switching losses.

A DAB converter adjusts switching phase difference via a control unit to maintain transmission efficiency.

A power converter switches auxiliary windings between PFC and LLC control circuits to optimize voltage supply.

A voltage converter uses a self driver to synchronize driving signals via magnetic coupling between inductors.

A semiconductor assembly uses a parallel snubber circuit with a half-controlled device to assist turn-off.

A dynamic phase control system adjusts active phases in a multiphase buck converter to eliminate redundant phase losses during low current operation.

A secondary side controller integrates a zero-crossing detector and negative-sensing block on a single sense pin connected to the synchronous rectifier drain.

Phase sensing controls switch timing to vary the reactive element, stabilizing frequency against load shifts without complex circuitry.

A converter circuit uses a single switch to control boost and DC-to-DC stages while sensing currents relative to ground potential.

A synchronization rectification device uses a voltage-controlled switch module with a voltage-division capacitor to detect secondary voltage.

A control apparatus integrates resonance current and compares it with feedback signals to generate stable pulse width modulation.

A boost DC-DC power converter adjusts operational parameters based on detected load conditions to optimize energy delivery.

Multi-mode full-bridge switching widens the zero voltage switching range and reduces reactive current in dual active bridge converters.

An electrical module generates an intermediate rectified signal to reduce switching losses and improve injected current quality.

A signal analysis circuit tracks coil signal peaks to determine modulation reception in induction power systems.

Cascade-connected isolated and non-isolated DC-to-DC converters replace heavy low-frequency transformers, reducing weight while maintaining galvanic isolation.

A voltage converter IC integrates a bootstrap capacitor and pre-charger to drive high side switches.

A drive signal generating circuit calculates rectified voltage from inductor current to control switching without passive resistors.

Dynamic pull-up resistance switching based on input voltage levels reduces abnormal noise and output ripple during light load conditions.

A multi-phase switch-mode power converter uses asymmetric phase circuit topologies to dynamically adjust enabled switch pairs based on output current levels.

A voltage regulator switches between buck and low dropout modes to manage power delivery.

A driving circuit uses a slope sensing mechanism to detect abrupt voltage drops and trigger a controllable charging current.

A variable inductor adjusts the resonant circuit inductance ratio to maintain optimal converter operation across varying load conditions.

Merging PFC functions with the LED driver reduces component count and resolves electronic transformer compatibility issues.

Gate delay circuits adjust switching speed in series transistors to reduce recovery current losses.

A pre-bias control method manages high side and low side switch currents to stabilize output voltage during initialization.

Overshoot suppressor detects transistor ON-period increases to forcibly turn off the second transistor and prevent output voltage spikes.

A power supply bus circuit uses an impedance isolation circuit to decouple control signals between voltage regulation and adjustment stages.

A power conversion apparatus controls snubber capacitor discharge timing to reduce energy loss in high-voltage bridge circuits.

Automatic calibration of pulse separation intervals maintains symmetry and prevents converter stall at light loads.

A concentration control circuit generates a shared current reference signal to adjust phase currents across multiple power stages.

A power conversion circuit uses a 1:1 transformer and bidirectional switches to output arbitrary voltages.

An LLC converter controller couples auxiliary winding leakage inductance to the primary circuit during low input voltage events.

A power conversion apparatus uses a restart circuit to detect insertion actions and dynamically toggle the control unit between on and off states.

A delay time control circuit adjusts the primary switch timing based on output current to minimize dead time in synchronous rectifier circuits.

A flyback power adapter uses bidirectional switch units to independently adjust output voltages across multiple ports.

A timing controller and linear regulator shift switching frequencies to ultrasonic ranges, eliminating audible noise from DC-DC boost converters.