Dc-Dc Conversion TRIZ Cases
- Power Conversion Device Neutral Conductor Potential Control
A power conversion device outputs intermediate voltage at a neutral conductor using full bridge circuits and capacitors.
- SMPS Secondary-Side Discharge Circuit for Voltage Overshoot
A secondary-side control circuit detects output voltage overshoot during load transients and activates a discharge path to reduce over-voltage conditions.
- Dynamic Power Supply Voltage Control for Load Adaptation
A controller measures remote load resistance to set output voltage based on actual requirements and maximum current limits.
- Sensorless Adaptive Voltage Positioning Controller for Power Converters
A sensorless adaptive voltage positioning controller adjusts duty cycle using output voltage measurements to regulate power converter operation.
- Three-Pin Flyback Controller IC with Dual-Use Switch Pin
A three-pin flyback controller IC uses a dual-use switch pin to regulate output current and voltage via frequency and pulse width adjustments.
- Current Sensing Circuit for Boost Converter Transient Response
Segmented amplifier stages manage quiescent current while delivering fast transient response in DC-DC boost converter applications.
- Single Tapped Transformer Power Converter for Dual Voltage Ranges
A single tapped transformer with two control modules accommodates multiple input voltage ranges.
- Inverter Circuit Dynamic Dead Time Control for Magnetron
Dynamic dead time generation adapts to switching frequency variations, reducing heat loss and noise while preventing short circuits in magnetron drivers.
- Power Supply Circuit with Bypass Charging for Ripple Rejection
A power supply circuit uses a bypass charging path to rapidly charge the output capacitor without passing through the filter resistor.
- PWM Controller Using Sigma-Delta Modulator to Reduce ADC Latency
Replacing complex analog-to-digital converters with a sigma-delta modulator and digital filter reduces control latency in pulse width modulation circuits.
- Switching Power Converter Duty Cycle Control via Ramp Signals
A switching power converter control circuit generates two ramp signals based on complementary clock signals to regulate output voltage.
- Ripple-Eliminating Power Converter With Two-Stage Voltage Conversion
A ripple eliminating power converter uses a small capacity capacitor between two voltage converters to remove AC components from DC voltage.
- Digital PWM Control for Switching Power Supply Voltage Regulation
A digital control method modulates clamp current using a look-up table and counter to regulate output voltage in switching power supplies.
- Switch Control Circuit for Power Supply Current Estimation
A switch control circuit averages detected sensing voltage to generate an output current estimating voltage.
- Power Converter Additional Current Path for Load Transient Compensation
An additional current path removes inductor energy during load transients, reducing output voltage ripples and minimizing required capacitance.
- Shared Inductor Front-End Converter for UPS Efficiency
A shared inductor front-end converter switches between AC and battery sources to reduce component count.
- Switching Frequency Control Apparatus for Power Converters
A switching frequency control apparatus generates gate drive signals using a timer and ramp generator to stabilize power converter operation.
- DC Power Supply Circuit with Periodic Charging Control
A direct current power supply circuit manages capacitor charging through a control circuit that generates switch signals based on reference voltage thresholds.
- Buck Converter Dual Feedback Loop for Voltage Accuracy
A buck converter uses dual feedback loops to isolate ripple components, eliminating voltage offset and enhancing transient response speed.
- Switching Power Supply Circuit Stabilizes Output Voltage Control
A switching power supply circuit generates a reference voltage with a defined amplitude to prevent output undulations caused by insufficient ripple components.
- Switched-Mode Power Supply Startup Control Circuit
A switched-mode power supply circuit transitions from pulse-width modulation to a bypass mode upon reaching a target voltage level.
- Universal Switching Control IC for Zero Voltage Switching
A universal switching control IC manages high and low side elements to enable zero voltage switching in power conversion circuits.
- Pulse Frequency Modulation Circuit for Precise Power Adapter Timing
A pulse frequency modulation circuit computes control signals to manage transistor switching states in power adapters.