Dc-Dc Conversion TRIZ Cases

Segmented battery modules with dynamic switching maintain 12V board net operation during low-voltage battery malfunction, reducing DC/DC converter complexity.

A dual output buck-boost topology uses PWM-controlled switches to generate positive or negative voltage at each port.

An adaptable error amplifier circuit dynamically alters control resistance to optimize crossover frequency across multiple output voltages.

An amplifier circuit employs a voltage divider with switching circuits to adjust dividing ratios, resolving speed versus power consumption contradictions.

A converter circuit scales the gate drive voltage of a power MOSFET based on real-time operating conditions to optimize device performance.

Auxiliary branch bypasses rectifier and inverter stages to reduce switching losses and heat production in 3-level NPC UPS systems.

A ring generator device produces inverse phase noise to cancel electromagnetic interference, replacing bulky passive filters and metallic shielding.

A control circuit adjusts the minimum on-time of a switching signal based on input voltage to maintain constant discharge time.

A DC-DC converter regulation circuit uses a comparator and timer to detect and measure output voltage overshoot periods during discharge phases.

A non-isolated high voltage DC-DC converter uses floating comparators to measure feedback voltage across resistive elements.

A switching control circuit adjusts the clock signal period based on active phase counts to manage multi-phase voltage converter operation.

Zener diode clamps driving voltage to prevent excessive stress on N-channel MOSFET and inverter during input-bootstrap short-circuit faults.

A shared voltage control circuit time-multiplexes regulation across multiple power stages to reduce integrated circuit device area.

Measuring input power allows immediate overvoltage detection, preventing magnetic core saturation without requiring higher-voltage components.

Optimizing bootstrap capacitance balances switching stability against power consumption, resolving the reliability-energy trade-off.

A boot regulator provides an intermediary voltage source that prevents high voltage drops from overstressing power transistors during switching.

A control part switches power paths through a choke coil and auxiliary coil to prevent magnetic flux generation in the primary coil.

A voltage converter restricts switching element turn-on speed to limit reverse current-induced noise.

Intermediate gate bias voltages reduce peak currents and undershoot during synchronous buck converter transitions, improving efficiency.

Injecting white noise into the digital control portion extracts load properties like inductance, improving stability during component degradation.

An over voltage protection apparatus monitors core power and disables the power supply unit when voltage exceeds a reference level.

A switching regulator controller uses high-pass filtering and a balanced hysteretic window circuit to eliminate external compensation networks.

A DC to DC converter uses parasitic diodes to detect inductor current direction and dynamically adjust phase durations for closed-loop control.

A voltage converter switches between PWM and amplifier control to operate the transistor in saturation during light loads.

A mode control circuit switches DC-DC converters between PWM and PFM states by measuring quasi-periodic current waveform time intervals.

A voltage regulator uses a single feedback pin to process signals for both positive and inverted output levels.

Analog correction circuit converts distorted trapezoidal primary current to a triangular waveform, ensuring DO-160 standard compatibility.

A bidirectional isolated multi-level DC-DC converter minimizes dimensions and reduces manufacturing costs through optimized switch duty cycles.

A synthetic ripple regulator integrates a phase lock loop to stabilize the modulation ramp slope for precise switching frequency regulation.

A photovoltaic power conditioning unit uses a shared dc link and input converters for each sub-string to enable local maximum power point tracking.

Controller turns on switching devices to conduct current flowback, preventing leakage currents and heat generation during diode faults.

Dual sense circuits detect voltage and current conditions to trigger hiccup mode, bypassing cross-regulation limits that prevent reliable overload protection.

A duty adjustment circuit balances output currents in multi-phase converters using a filter and comparator to generate control signals.

A control circuit generates programmable timing signals for forward converter transistors using dedicated delay timers and comparators.

A switching converter uses a single pin to connect external components for loop compensation.

A control device generates a frequency change pattern using 2n switching frequencies to manage power conversion operations.

Measuring transformer primary current regulates welding output, eliminating expensive high-current sensors and reducing system complexity.

Phase-shifted flying capacitor control absorbs ripple currents, allowing smaller smoothing capacitors and longer lifespan.

A DC power supply device stabilizes smoothing capacitor voltage using a dedicated discharging circuit during light load conditions.

A control circuit adjusts source voltage based on measured operating voltage response across a power distribution network.

A control apparatus adjusts switching frequency to maximize the on-operation period in peak current mode power conversion.

Comparator circuits detect overshoot and undershoot to activate current sources, reducing transient magnitude without altering switching frequency.

A switching power supply apparatus adjusts current peaks to maintain auxiliary voltage levels during intermittent oscillation.

A multi-output DC/DC converter uses an output selection unit to generate control signals based on earlier rising or falling comparison circuit outputs.

A DC/DC converter soft-start circuit generates variable output current to control transistor switching for stable voltage conversion.

An inverter controller manages startup sequences to charge parallel capacitors using existing switching elements.

An inverter uses an insulating transformer within a DC-DC converting unit to provide electrical isolation between input and output ports.

A two-quadrant power supply topology enables unidirectional current flow with bipolar voltage output.

A power converter controller skips switching frequencies within an audible noise window to minimize transformer resonance.