Dc-Dc Conversion TRIZ Cases

Digital cycle counting replaces analog comparators to eliminate non-ideality errors, ensuring identical pulse widths and balanced inductor currents.

A power supply control apparatus suspends time-series temperature difference calculations when the switch is off to reduce computational load.

A flyback power converter control circuit eliminates the input capacitor by using primary-side voltage detection to regulate output switching.

Secondary-side controller compares slave output voltage with reference to regulate the switch, suppressing cross-regulation effects without post regulators.

A controller manages a switch and reactor to form a current loop for discharging the bus capacitor after power-off.

A bi-directional DC converter integrates charging and power supply functions into a single semiconductor chip.

A parallel shunt circuit diverts inductor current during load dump events, preventing output voltage overshoot and system damage.

A state controller manages H-bridge DC/DC converter switching timing to minimize operational states.

A current regulator system generates pulse-width-modulated supply voltage using a reference clock signal to control inductive load flow.

A calibration controller balances load current across operating phases in a multi-phase voltage regulator.

A power supply controller uses a shared pin to receive configuration signals and operational feedback.

Phase-shifted switching laws in DC-DC converter modules reduce low-frequency current harmonics without extensive filtering.

A multi-phase voltage regulator divides control signals via a pulse signal extension circuit, reducing ripple current and heat generation across parallel paths.

Auxiliary switch segments switching control to prevent cross regulation between outputs during load transients in continuous conduction mode.

A pedestal loop adds AC feedback to a DC/DC modulator circuit, resolving current mode instabilities and improving transient response.

A converting apparatus generates a compensated ramp signal via triangle wave generators to filter driving signals into stable output voltages.

A current estimation circuitry integrates inductor voltage and adjusts integrator parameters using sensed signals.

A buck-boost region detector monitors inductor current to generate precise control signals for mode transitions.

A current control circuit switches between linear and switch modes to manage output current during hot-plug events.

A buck converter controller stabilizes switching frequency by adjusting on-time based on a DC bias voltage, reducing output variations below 1%.

A closed-loop control method measures overrun periods across interlaced cells to calculate an optimized switching period.

A flyback converter adjusts its output voltage set-point using a current-proportional reference signal to maintain stable power delivery.

Dynamic hysteresis control in PFM DC-DC converters reduces spectral spurs and undesirable radio tones while maintaining efficiency.

A DC/DC converter adds a parallel feedback capacitor to increase overdrive voltage, reducing output delay time and enabling higher switching frequency.

Dynamic dummy load resistance lowers output voltage quickly while minimizing power consumption during heavy load operation.

A transformer-based bi-directional DC-DC converter derives control signals from one side to manage power flow without extra circuitry.

A current estimator module calculates output current from input current and duty cycle using a single transformer sensor.

Variable frequency modulation disperses spectral components in a switching power supply, reducing audible sound generation without increasing device complexity.

A power conversion device calculates passing current through an inductance element and adjusts duty ratios to cancel detected DC components.

Power supply circuit adjusts detecting voltage signals to set flexible turn-off points, preventing premature shutdowns during input voltage fluctuations.

A programmable-threshold power supply selector circuit compares main voltage to a tunable reference to drive switch transistors.

A voltage conversion device extracts power from a connection point between an auxiliary switching element and a capacitor to supply the controller.

A lamp driving circuit uses transformer feedback signals to detect open states without adding external components.

Mode transition control module regulates buck-boost power converter duty cycles through sensing and comparison circuits.

Parallel current paths lower switch resistance and parasitic capacitance, improving voltage setting accuracy without increasing die area.

A negative voltage generator circuit uses an amplifier and booster to rapidly produce target voltages.

A pulse width modulation device uses a capacitor and switches to define transistor phases without a comparator.

A switching regulator controller dynamically adjusts phase current thresholds to optimize active power stages for real-time load demands.

A voltage dividing circuit applies output voltage to the source terminal when control power fails, preventing noise-induced short-circuiting.

An intermediate bus converter autonomously determines optimal voltage levels using internal current and voltage measurements.

Merging independent converters into a single three-port unit reduces component volume and switching losses while maintaining stable operation.

Diagonally overlapped windings with gap-controlled inverse coupling reduce transient response time while maintaining low inductor current ripple.

Segmented NMOS and PMOS transistors in a single stage minimize voltage drop, enabling high output with low-voltage devices.

A current sense transformer couples to a flyback transformer to generate an output current signal without a series resistor.

Segmented controllers adjust reference voltages based on neighbor feedback to resolve single-point failures and improve current sharing accuracy.

A switching regulator detects load transients and resets a PWM clock synchronously with a faster internal clock.

A start-up controller compares output voltage with a reference level to manage Buck converter restarts.

A DC-DC converter uses a segmented secondary bridge with selective capacitor switching to adapt output voltage.