Dc-Dc Conversion TRIZ Cases

A surge-tolerant power supply system uses a DC bias boost mechanism to manage voltage thresholds and reduce impedance in the pass device.

A multi-phase power supply controller uses a single error amplifier and shared ramp signals to generate PWM control signals for all phases.

A hybrid modular DC-DC converter uses sequential capacitor charging to balance voltages across half-bridge sub-modules.

Frequency modulation control reduces power consumption by minimizing opto-coupler idle time during light load conditions.

A power supply controller uses a feedback control switch to reduce error amplifier slew-rate requirements during mode transitions.

Overvoltage detection circuit turns off series transistors in a synchronous switching regulator, reducing required silicon area and cost.

A control circuit modulates the switching frequency of a DC-DC converter to reduce electromagnetic interference.

A current reconstructor predicts inductor current using off-state slope sensing to generate accurate control signals.

Dynamic transistor substrate and gate connections in a linear voltage regulator isolate switched-mode power supply noise, preventing leakage to RF circuits.

Sampling timing generator delays the n-sampling signal to capture output current during the NMOS on-period.

An isolated power converter detects feedback voltage across the primary winding to control the power switch without an auxiliary winding.

An adaptive boost converter isolates a detachable reservoir capacitor to reduce switching losses and latency during transitions between battery and boost modes.

A boost circuit controller transitions to a non-conducting state between input and output terminals.

A dual-mode control system switches between hysteretic and PWM modes to manage output voltage transients in DC-DC converters.

A switch control circuit detects zero voltage at a node to trigger power switch activation via an SR flip-flop and PWM controller.

A switching regulator uses a delta sigma modulation circuit to generate control signals and detect power supply voltage abnormalities.

An output voltage processing unit calibrates parasitic inductor effects to prevent double pulses and reduce measurement errors.

Voltage regulation modules manage individual load voltages in a series string power supply to prevent damage from uncontrolled fluctuations.

A compact power supply device integrates multiple high-voltage circuits into a single unit to reduce component count and board area.

A buck converter circuit calculates switch transition time based on output voltage decrease duration to maintain stable power delivery.

A ramp-type boost converter and comparator adjust power transistor turn-on time to maintain constant inductor peak current.

A USB charger uses a bleeder circuit to discharge the output capacitor and adjust voltage levels.

A voltage regulation deactivating unit increases sensed auxiliary voltage to trigger foldback current limiting in switchmode power supplies.

Series current detection resistors enable single-fault detection circuits to maintain overcurrent protection when a resistor short-circuits.

A control circuit detects AC input voltage to adjust frequency decreasing gain characteristics across load factors.

A SenseFET current regulator estimates off-time using internal valley current values to replace external sensing components.

An averaging control unit balances current distribution across parallel converters, reducing power loss and noise sensitivity.

A hybrid boost regulator uses a low-voltage pre-boost circuit to enable operation from a single 1.5 volt battery.

Combining a piezoelectric assembly with an electrical transformer provides multiple insulation levels while reducing conversion losses in DC-DC systems.

Three-dimensional fast dithering modulates switching frequency, duty cycle, and phase to spread electromagnetic interference across a wider bandwidth.

Calibration circuit dynamically adjusts reference voltage to maintain precise load current control in hysteretic power converters.

A buck-boost regulator uses a bypass switch to directly couple input voltage to the output when thresholds are met.

A reconfigurable regulator merges linear and switching modes using a digital multiplexer to select pulse width modulated signals.

A series converter arrangement with a processor determining an intermediate voltage to adjust operating modes.

Continuous load current measurement drives a feedforward loop that adjusts switching duty cycle to overcome right-half-plane zero limitations.

A fuel cell current sensor uses a preliminarily magnetized core and dynamic driving modes to maintain measurement accuracy.

A power supply system uses a photo coupler to transmit command bits from the secondary side to the primary controller.

A control circuit manages interleaved switching power supplies by activating power switches based on inductor current signals and fixed switching periods.

Determining circuit detects driving signal levels to eliminate dead time and prevent voltage drops during power switching.

A switching power supply overvoltage protection circuit differentiates internal faults from external back electromotive force using time-delayed detection.

High-frequency switching circuits in sub-modules manage capacitive energy storage, reducing device complexity and cost while enhancing dynamic response.

A control circuit modulates switching frequency based on reflected voltage sampling to regulate output power in adaptive converters.

A control unit determines input voltage by measuring individual voltage drops across the transformer primary and switching components.

A pulse charging system uses a regulator to control a charge switch based on energy measurements for precise capacitor charging.

A control circuit for switching power supplies uses a holding circuit to preserve error signals during terminal faults.

A bi-directional DC power circuit uses pulse width modulation to control voltage conversion.

Identifies output short circuits within microseconds by comparing initial and peak current values, preventing overheating from delayed protection.

A controller balances thermal conditions across switching circuits using phase-specific bias currents and feedback loops.

Open-loop panic mode accelerates phase activation in multi-phase converters, suppressing inter-loop current spikes during load transients.