Dc-Dc Conversion TRIZ Cases

A power supply apparatus adjusts PWM duty cycles to maintain signal frequency above a predetermined threshold during low drive operations.

A power supply controller adjusts trigger thresholds using inductor current to maintain output voltage stability.

A scaled sensing transistor mirrors power stage current to generate an accurate sensed signal without external bias supplies.

A voltage regulator generates control signals to anticipate current changes and preemptively adjust output voltage.

A control IC detects an external current-setting resistor to generate a base current signal for a bipolar junction transistor power switch.

Bypass circuits isolate converter failures in series strings, preventing open circuit faults from stopping the entire distributed power harvesting system.

An energy-based control method adjusts pulse width to maintain target capacitor energy levels in switching regulators.

Coupled inductors with opposite winding directions eliminate sub-harmonic output ripple and minimize output capacitance.

A control unit predicts transformer magnetization bias by calculating the difference between primary and secondary currents detected during switch ON periods.

A PWM signal generator monitors duty cycle to switch between peak and valley current control modes in DC-DC converters.

A power supply system uses a clock signal and error amplifier to generate precise output voltage through pulse-width modulation control.

A bi-directional DC-DC converter analyzes Power Quality to automatically switch between buck and boost operating modes.

A segmented DC-DC converter architecture uses independent step-up and step-down stages to regulate intermediate voltage without feedback loops.

A voltage upconverter transforms low USB input into high output to drive microfluidic diagnostic chip pumps.

A switching regulator control circuit adjusts pulse duty ratios to manage transistor switching states.

A multiphase DC-DC converter uses configurable current sharing ratios to balance phase currents across varying load conditions.

Dynamic frequency adjustment in a PWM switching converter reduces output voltage ripple and electromagnetic interference when duty cycles approach zero.

A voltage regulator uses dual-edge pulse width modulation to manage load current changes via a top switch.

A switching voltage regulator controller adjusts the switcher frequency based on operating conditions to minimize spurious content.

Dynamic cell reconfiguration resolves output impedance instability across varying input voltages, maintaining operational efficiency.

A DC topology circuit uses a subtractor to compare input and rated voltages, controlling field effect transistors to adjust operating modes.

A DC link circuit converts floating power to dual rails using resonant switching.

Periodic refresh cycles force PWM pulses at low loads, suppressing audio band noise and preventing output voltage rises.

A timing controller selects between comparator and generator signals to maintain stable output voltage when external Schottky diodes cause sensing inaccuracies.

A switching energy converter applies an intermittent stabilization signal to reduce static bias in current control.

An adaptive power limiter adjusts current limits inversely to input voltage changes using an operational amplifier and comparator circuit.

A switching controller modulates frequency via a programmable capacitor to reduce electromagnetic interference.

A replica NMOS transistor mirrors output current to enable on-chip digital conversion without external components.

A bidirectional electric power conversion device uses transformer switching to boost DC voltage across two terminals.

A power supply apparatus estimates an allowed duty ratio range to detect degradation abnormalities in switching elements.

An adaptive pole adjusting circuit dynamically connects capacitors to tune error amplifier frequency.

Auxiliary secondary circuit restores control before voltages fall below operational levels, preventing unregulated outputs.

Dynamic biasing of operational transconductance amplifiers reduces quiescent current consumption at zero load while maintaining negative current capability.

A phase shifted double forward converter system adjusts duty cycles and phase shifting to optimize component usage.

A power supply control system charges a battery before load switching to manage energy flow.

A switching power supply apparatus corrects output current variations in parallel converters using individual correction values.

A transient detection circuit uses an analogue delay line and comparators to monitor error signals for immediate corrective action.

A control circuit uses current-based sensing to distribute load across voltage regulator modules.

A dual mode power supply module detects an output inductor presence to automatically select between switch and linear operating modes.

A bidirectional DC/DC converter adjusts switching phase difference, frequency, and pause periods to regulate power transmission between primary and secondary circuits.

A feedback control system adjusts switching frequency based on duty-cycle variations to optimize power efficiency.

Synchronized switching circuits balance DC bus voltages while minimizing ripple currents through periodic flux reset intervals.

Replacing physical resistors with transistor-based pseudo resistors reduces circuit area and power consumption while improving manufacturing accuracy.

A switched mode regulator controller extracts output voltage level information from the phase pin signal using an on-chip filter circuit.

Non-linear control circuits expand bandwidth and clamp error amplifier outputs to prevent overshoot and ring-back during high slew rate load transients.

A bidirectional switch circuit manages current flow states to reduce power losses in conversion systems.

A nonlinear control signal adjusts switching circuit activation to manage output voltage during phase shedding events.

A semiconductor switch uses an auxiliary element to suppress reverse recovery current in the main circuit.