Dc-Dc Conversion TRIZ Cases

Compensates for inductor DCR variation through dynamic gain tuning, reducing manufacturing waste and cost.

A peak-current servo system adjusts high-side on-time via coil current sampling to stabilize pulse duration in switching converters.

Protection circuits interrupt ground connections during voltage drops to maintain stable gate voltage without bypass capacitors.

Feedback circuitry monitors switching frequency and adjusts power switch control to maintain stable operation despite input voltage variations.

A secondary switch circuit shunts excessive currents to suppress output voltage ripples in DC-DC conversion systems.

A boost converter current limit circuit tracks the duty cycle to stabilize inductor currents despite input and output voltage variations.

A rectifier boost circuit couples a single transistor via a relay to reduce component count and switching losses in uninterruptible power supplies.

A control circuit detects pulse width modulation frequency to dynamically adjust peak current limits for power delivery.

A spread spectrum switching circuit modulates frequency using pseudorandom slopes to distribute spectral energy.

A clamping circuit provides a current path for transformer magnetizing current during dead zones in half-bridge power converters.

A fly-forward converter topology transfers magnetizing energy to a tapped secondary winding during the off period for core resetting.

Cascaded voltage converters divide input potential into partial voltages, reducing power losses during high-voltage electric vehicle charging.

A switching regulator uses a dynamic voltage positioning circuit to adjust output voltage based on inductor current sensing.

A lighting system uses a switch control circuit to select between linear and switching power adjustment circuits for driving current.

A star-connected phase element with variable voltage sources manages energy balance through internal AC circular currents.

A DC-DC converter adjusts output voltage by directly charging and discharging an LC filter through a dedicated adjusting circuit.

A single high-voltage generator produces adjustable positive and negative outputs through closed-loop feedback.

A modulated power supply controller toggles the switching converter between buck and boost modes to maintain stable output voltage.

A power controller detects signal valleys to adjust cycle timing for stable operation.

A buck converter circuit stores feedback amplifier parameters to maintain stable operating conditions during non-continuous conduction mode.

Scaled current set point modulation adjusts individual cell targets to boost control resolution in multiphase power converters.

A capacitively-coupled hybrid power supply merges a switching-mode converter with a low-dropout regulator to stabilize voltage.

Primary-side sampling and amplification circuit detects secondary load conditions to resolve delayed overcurrent protection timing.

Opposing coil fluxes cancel magnetic fields to reduce transformer volume and core loss.

A multiple polarity reversible charge pump circuit generates positive and negative voltages using a single multi-stage structure.

Duty-cycle matching with a passive notch filter balances phase currents without active control loops, resolving stability and complexity trade-offs.

A coupled inductor provides automatic gate drive signals for a fly-wheeling switch in a power converter circuit.

Clamping circuits constrain minimum pulse widths during PFM-to-PWM switching, preventing excessive voltage drops in DC-DC converters.

Reference compensating circuit eliminates DC errors in constant on time control to stabilize output voltage within predetermined limits.

A single replica current provides frequency compensation and overload detection in switching power converters.

Control circuit activates parallel switching devices to divert current from diodes, preventing deterioration caused by low overcurrent capacity.

An offset cancellation circuit subtracts PWM comparator inputs to produce a signal that cancels output voltage offset.

A current regulator circuit selects a pathway resistance to define regulated output current values, resolving the trade-off between stability and adaptability.

Secondary side control circuit modulates error signal with supplemental information for transformer transmission.

Oscillation circuit logic processing stabilizes slope compensation start timing in switching power supply devices.

A power converter uses phase node voltage feedback to generate a control-compensation signal for dynamic duty cycle adjustment.

A buck-boost controller adjusts switch timings to maintain stable output voltage across varying input conditions.

A coil current emulation circuit generates an output voltage similar to the coil current using a CR integration circuit.

A power converter controller uses a coupling switcher to connect an external programming terminal for configuration.

A power converter control circuit generates a ripple signal with an adjustable slope based on output current to stabilize feedback.

A power converter uses switching elements and a transformer to distribute DC power across multiple contacts within a single circuit structure.

A low voltage DC-DC converter provides simultaneous 48V and 12V outputs from a single high voltage battery source.

A transformer detection circuit generates a correlated output signal using current-to-voltage conversion and sample-and-hold processing.

Division-sigma control compensates inductance variations and improves response speed by eliminating slow filters required for average current-mode control.

A DC/DC step-down converter control method adjusts the disconnection threshold progressively during connection intervals to regulate output voltage.

An electronic transformer substitutes magnetic components with switching circuits and energy storage elements to eliminate parasitic capacitance.

A two-stage power converter applies multiplied frequency control to resolve performance degradation caused by inappropriate switching frequencies.

Magnetically coupled primary energy storage inductors raise effective ripple frequency to simplify output filtering requirements.

A DC-DC converter uses phase shift control to regulate output voltage without active freewheel diodes.