Apparatus Without Intermediate Ac Conversion TRIZ Cases
- Radiation Hardened Charge Pump Using Polysilicon Diodes
Parallel redundant polysilicon diode pumps mitigate parasitic MOS field leakage and single event effects in standard CMOS processes.
- Charge Pump Circuit Bootstrap Level Shifting for Voltage Generation
Bootstrap level shifting circuit reduces transistor on-resistance and output impedance, enabling efficient multiplied positive and negative voltage generation.
- Power Supply System Distribution Mode Control
Electronic control unit sets distribution mode based on power rates of change relative to charge state values.
- Charge Pump Noise Reduction via Periodic Sequential Charging
A charge pump uses a patterned clock signal to initiate sequential charging every N cycles, reducing active stage count.
- Vehicle Power Management System With Bidirectional DC-AC Conversion
Bidirectional converters in this vehicle power management system decouple HVAC operation from engine idle, reducing fuel consumption and improving reliability.
- Power Conversion Circuit Resonant Compensation for DCR Loss
A power conversion circuit uses a resonant capacitor to form a reactive impedance that compensates for direct current resistance losses.
- UPS Controller Switching Between Discharge and Bypass Modes
A controller switches a power supply between discharge and bypass modes to maintain stable AC output.
- Internal Voltage Generation Circuit Noise Reduction
Oscillation signal generators produce phase-shifted signals to drive sequential charge pumping operations in internal voltage generation circuits.
- Dual-Stage Boost Converter Reducing Power Losses
Segmenting voltage conversion into a charge pump and boost stage reduces ripple current and inductor losses.
- Touch Input Device Frequency Separation for Noise Reduction
A touch input device separates pressure sensing frequencies from display synchronization signals to reduce noise interference.
- Reference Current Generator Using Segmented Integration Capacitors
A reference current generator uses two integration capacitors operating on opposite phases to reduce required compensation capacitance.
- Reduced Capacitor Charge-Pump for Symmetrical Supply Voltages
Single flying capacitor design reduces external component count and power consumption while generating symmetrical positive and negative supply voltages.
- Bootstrap Capacitor Detection Circuit for DC-DC Converter Safety
A bootstrap capacitor detecting circuit monitors voltage reduction to verify normal connection status.
- Charge Pump Clock Phase Overlap for Noise Reduction
Staggered four-phase clock signals reduce peak current and simultaneous switching noise while maintaining high voltage gain in embedded memory applications.
- Vehicle Power Supply Charge Circuit for Inrush Current Control
A charge circuit section in a vehicle power supply device manages precharging operations through controlled switching signals.
- Charge Pump Voltage Regulation via Partial Discharge
A power supply system regulates output voltage using a programmable voltage divider and comparator to control charge pump transitions.
- Image Sensor Charge Pump Cell Quantity Control
Dynamic charge pump cell quantity control optimizes power efficiency and reduces noise under varying load conditions.
- Multi-Level Buck-Boost Converter with Flying Capacitors
A multi-level buck-boost converter uses flying capacitors and a switching cell to perform efficient step-up and step-down voltage conversion.