Efficient Power Electronics Conversion TRIZ Cases
- Synchronous Rectification Control Circuit for Flyback Converters
A synchronous rectification control circuit manages the gate drive of a secondary-side MOSFET switch in power conversion systems.
- Boost Converter Regulator Circuit Low-Voltage Startup
A boost converter regulator circuit generates a stable regulated voltage to drive switching transistors for power conversion.
- Voltage Regulator Circuit Low Power Shutdown Mode
A voltage regulator circuit disconnects internal loads and switches the CPU to the input voltage during standby.
- Multi-level Buck Converter Voltage Stress Reduction
A multi-level buck converter segments voltage stress across multiple switches to lower circuit losses.
- Discharging Circuit Rapid Standby Voltage Removal
A discharging circuit rapidly removes standby voltage through a dedicated control section and switching elements.
- Phase-Shifted Full Bridge Converter Dynamic Dead Time Control
A phase-shifted full bridge converter adjusts dead times dynamically to enable Zero Voltage Switching.
- Phase Shift Circuit for Interleaved PFC Ripple Reduction
Dynamic offset adjustment maintains a consistent 180° phase difference between driving signals, reducing input current ripple and electromagnetic interference.
- Power Converter Switching Control via Extrapolated Signal Pulses
A control circuit generates extrapolated signal pulses to detect local minima across a power converter switch.
- DC/DC Converter Switch Control for Portable Computer Power Efficiency
A DC/DC converter selects heavy or light load switch combinations to optimize power conversion.
- DC-DC Converter Startup Control for Backflow Current Reduction
A DC-DC converter uses PWM control to set a high target voltage during startup, minimizing backflow currents.
- Switching Converter Voltage Distribution Control
A controller detects snubber capacitor voltages to adjust switch turn-off timings.
- Resonant Converter Hold-Up Time via Bridge Arm Control
A resonant conversion apparatus uses a bridge arm assembly to maintain output voltage during hold-up periods.
- Voltage Regulation Circuit Using Replica Transistors for Stabilization
A voltage regulation circuit uses replica transistors to compare currents against a ramp signal, boosting phase and gain without increasing quiescent current.
- Active Clamp Flyback Converter Frequency Modulation
A power converter adjusts oscillator frequency to regulate primary winding current flow and maintain zero-volt switching conditions.
- Two-Phase Boost Converter Reduces Voltage Stress
Interleaved phase operation distributes voltage stress across transistors while achieving inherent current balancing without complex control circuits.
- Current Resonance Power Supply Low-Voltage Detection
A current resonance power supply detects AC input voltage using FET drain-source potential during the off-state.
- Indirect Input Voltage Detection via Primary Winding Current
A controller measures primary winding current to determine input voltage levels in a switching power converter.
- Adaptable Charge Pump for Display Driving Current
A single charge pump adjusts output voltage via mode switching to handle varying display panel current demands.
- Resonant Buck Power Converter with Zero Current Switching
A resonant buck power converter uses electronic switches to transfer energy through an LC circuit for high efficiency.
- Current Limit Peak Regulation Circuit for Power Converter
A current limit peak regulation circuit adjusts the maximum allowable peak current threshold based on switching frequency to manage main switch operation.
- Inverter Busbar Heatsink Thermal Management
A semiconductor arrangement uses a heatsink configured as a bus bar to electrically connect devices.
- Resonant DC-DC Converter Standby Noise Suppression
A switching power source device adjusts frequency via auxiliary coil voltages to manage burst operations.
- Multi-phase Power Converter Phase Shedding Control
A multi-phase power converter control circuit alternates disabled phases during phase shedding to balance workload across all conversion stages.
- Parallel Winding Transformer for Power Density Bottlenecks
Segmented transformer units with controlled inductance deviation lower thermal resistance to radiators, overcoming single-transformer structural limits.
- Offline Power Converter Line Sensing Circuit
An offline power converter integrates a line sensing circuit within the power factor controller to measure duty cycle.