Efficient Power Electronics Conversion TRIZ Cases

A DC-DC converter shares a switch group between switched capacitor and switch stages to adjust output voltage gain.

Inner feedback loop links optical signal to power drawn, enabling burst mode for improved light load efficiency.

A photovoltaic inverter topology merges DC-DC and DC-AC stages into a single buck converter unit.

A control unit adjusts inverter drive frequency and output voltage duty to manage turn-on current.

Quasi-resonant switching regulator control circuit adjusts on-width based on primary winding current to enhance power factor.

A latch circuit turns off the low-side switch in a synchronous buck regulator to prevent reverse current flow.

Dynamic error amplifier gain control stabilizes switching power supply output voltage through active impedance adjustment.

A voltage converter uses a variable inductor and capacitor to form an LC filter that reduces ripple current across varying load conditions.

A voltage synthesizer predicts zero inductor current to control switch timing.

Replacing rectifying diodes with synchronized transistor switching reduces power loss and improves output current control under dynamic load conditions.

Segmenting the controller into modular units enables current equalization across phases without increasing package size or complexity.

A switched mode power supply controller modulates switching frequency and feedback gain to optimize active clamp flyback converter operation.

A PWM controller infers output voltage from inductor demagnetization time and current flow to eliminate analog-to-digital converters.

Galvanic isolation via capacitive coupling and active current compensation minimizes ground currents while handling high DC voltages.

A clocked electronic energy converter uses a hybrid mode to reduce power transmission by adding supplementary switch-off time.

Adaptive multi-mode digital control manages switching power converters through sequential PWM and PFM transitions.

A SiC inverter adjusts output power rating based on frequency and operation rate to manage junction temperature.

A DC-DC converter circuit adjusts transistor switching duty ratios via microprocessor clock signals to regulate output voltage.

A common measuring point connects resistors to an inductor and diode in a boost converter circuit.

A control circuit for LED lamps adjusts filter capacitance dynamically using PWM signal sampling and switch control circuits.

A flyback power converter adjusts operation frequency to maintain output current levels during voltage switching.

A digital controller obtains driving power from an activation terminal voltage to maintain operation during shutdown phases.

A fly-back power supply integrates a linear current regulator to reduce ripple and power loss in LED drive circuits.

A converter control device calculates phase correction values based on form factor targets to enhance power factor without expensive detection circuits.

A DC to DC converter delivers symmetrical power flow through a transformer core to balance magnetic flux and minimize leakage inductance.

A load detection circuit acquires voltage waveforms to identify connection states in power supply devices.

Detects output voltage changes to enable feedback control, preventing switching element damage during overload and reducing standby power consumption.

A quasi-resonant power converter applies switching frequency jittering to distribute electromagnetic interference energy across a broad spectrum.

Dynamic rectifier control extends hold-up time without bulk capacitance, resolving the efficiency trade-off in resonant LLC power converters.

A power converter control circuit adjusts clock frequency based on zero current detection signals to manage operation mode transitions.

Open-loop clamping pulls down driving voltage to improve control speed and accuracy.

A DC/DC converter uses a capacitor series circuit with two inverse converters sharing a middle capacitor.

A phase shift module regulates primary and secondary driver timing to maintain stable voltage gain in resonant converters.

A controller adjusts switching frequency to equalize output currents across parallel resonant converters.

On-chip efficiency determination uses a current limiter to compare clock pulses, enabling dynamic adjustment of ramp-up rates and clock frequencies.

Coupling element transmits control signals to master switch, eliminating measurement delay and stabilizing output voltage.

A multi-level power converter switches between continuous and discontinuous conduction modes to manage output pulses.

A reconfigurable inductor uses floating modules to adjust inductance values based on real-time current demand.

A DC-DC converter circuit uses dual feedback paths to regulate output voltage and compensate for component variations.

A DC-DC converter selects foldback curves to determine gate signal blanking time during burst mode operation.

A synchronous rectifier performs post regulation by adjusting on-resistance to control output voltage in DC-to-DC converters.

A switching control circuit manages power supply operation modes using drive signals derived from an auxiliary coil voltage.

A power factor correction circuit uses a controller with phase lock and current limiter to improve energy utilization.

An auxiliary coil supplies the control circuit independently, preventing efficiency loss when output voltage drops in standby mode.

Bidirectional switches synchronize voltage and current polarities to synthesize clean alternating current.

A quasi-square wave power converter uses resonant inductor dynamics to enable zero-voltage switching and reduce gate drive losses.

Bidirectional clamp switches trap inductor energy to eliminate parasitic oscillations and conduction losses in discontinuous-mode power converters.

An integrated circuit generates compensation current to cancel leakage currents without auxiliary windings.