Dc-Dc Conversion TRIZ Cases

A switching power supply device uses a control circuit to drive a bleeder circuit for supplying load current.

A high voltage power supply system adjusts output voltage and current based on detected temperature and humidity values.

A multi-rail voltage regulator dynamically allocates phases between power rails based on output inductor footprint population.

A voltage regulator phase delivers test currents to calculate gain and offset correction factors.

An asynchronous pulse injection circuit extends PWM pulses to mitigate voltage dips caused by inductor energy depletion without adding output capacitance.

Varying III-V compound layer thicknesses in separate regions optimizes electron mobility and resistance control for high-frequency power gain.

Cascading standard CMOS transistors in series with intermediate voltage control circuits to handle input voltages exceeding individual device limits.

A switching power supply circuit uses a startup circuit with transistors and capacitors to generate pulse signals for switching.

Three five-level inverters generate staircase waveforms that lower total harmonic distortion and distribute voltage stresses across switching elements.

A voltage regulator bypasses internal components to pass input voltage directly to the output when duty cycle and voltage thresholds are met.

Detecting load steps in a DC-DC converter generates preemptive control signals that reduce output voltage dips and power losses during transients.

Voltage clipping across series MOSFET gates eliminates high Joule losses by removing the need for increased capacitor capacitance.

A spread spectrum clock generator uses a digital modulator to vary oscillator frequency via discrete steps.

An on-time control module generates a duty-proportional signal to stabilize switching frequency in power converters.

A constant current driving circuit adjusts the power switch OFF time based on output voltage to maintain stable output current.

A multiphase converter circuit activates phases by turning the high side switch on before the low side switch.

A current estimation circuit derives output current from diode on-time to generate pulse width modulated gate drive signals.

Randomly varying the carrier signal period smears high-frequency noise components, reducing peak distortion amplitudes and electromagnetic interference.

A common mode reactor bears high-frequency displacement voltage to suppress leakage currents through parasitic capacitors in insulated transformers.

A transfer control circuit outputs a positive voltage level to transistor gates during high voltage supply periods.

Independent modulation of buck and boost ramps eliminates subharmonic switching and output voltage ripple in multiple switch node power converters.

A predictive timer controller dynamically adjusts on-time and off-time intervals to optimize power conversion efficiency.

A current limitation circuit samples electrical parameters at power switch state changes to extrapolate boundary values for accurate peak regulation.

Scaling and offsetting the voltage command signal reduces its variable range, resolving the trade-off between PWM response speed and measurement precision.

Detects offset delay between PWM signals and switching operations to calculate a corrected sampling midpoint for accurate current measurement.

A feed-forward frequency control method uses a hysteresis generator to maintain a constant switching time period in current mode hysteretic buck regulators.

A control circuit uses panic comparators to dynamically activate slave power stages in multi-phase buck converters.

Independent phase current and temperature monitoring resolves shared reference voltage conflicts while reducing signal routing complexity.

Detecting output filter phase lag allows dynamic adjustment of control loop parameters, stabilizing aggressive filters without hindering transient response.

PWM actuation and varistor freewheeling paths enable rapid de-excitation and wear detection without galvanic isolation.

A thermal balance conversion circuit uses signal integration to manage voltage conversion units.

A high-voltage power supply uses a control transformer to manipulate secondary winding voltage for adjustable output voltages.

A voltage controlled current source regulates bus current using a synchronous switch and pulse width modulation duty cycle.

A digital controller senses output voltage and current to generate gate signals that adjust switch operation for faster dynamic response.

Non-uniform n-type column doping stabilizes charge balance around the gate, reducing switching losses and preventing defects in power conversion circuits.

A switch power supply controller adjusts off-time duration based on real-time inductance current detection to maintain stable operation.

Glue logic constrains PWM frequency to reduce switching losses while maintaining fast transient response in digitally controlled DC-DC converters.

A controller circuit shifts a pedestal current to generate a shifted signal for PWM on time targeting.