Apparatus Without Intermediate Ac Conversion TRIZ Cases
- Charge-Switched Matrix for Reconfigurable Neural MAC Connectivity
Switched charge circuits reconfigure neural MAC paths without tuning-heavy analog matching, cutting distortion, power use, and bandwidth limits.
- Charge-Switched Matrix for Reconfigurable Analog MAC Routing
Charge storage, current sources, and threshold detection enable fast analog MAC path reconfiguration without fixed-impedance crossbar limits.
- Bootstrap Clamp Circuit for Safe GaN Gate Drive Voltage
A regulated bootstrap clamp and charge pump keep GaN gate-to-source voltage within safe limits during fast buck switching.
- Parallel Charge Pump Control With Delayed Phases for Surge-Free Output
Sequentially delayed pump signals spread charging across parallel units to curb power surges and stop output voltage overshoot.
- Shared-Circuit Multi-Voltage PMIC for Smaller PA Power Supply
A single shared modulation circuit generates multiple PA supply voltages, cutting PMIC footprint while supporting concurrent loads.
- DC/DC Converter Circuit With Tank Capacitor for Pulsed High-Power Loads
A tank capacitor between two DC/DC converters buffers pulse energy, preventing source voltage collapse while cutting ripple and capacitor size.
- Adaptive Voltage Scaling Circuit for DC-DC Power Optimization
Monitored performance parameters drive feedback-based DC-DC voltage adjustment to cut power use without degrading device performance.
- Multi-Phase Switched-Capacitor Converter for Lower Voltage Stress
Switched-capacitor phase control splits input voltage across sub-converters to cut switch stress, shrink inductors, and improve conversion efficiency.
- Hybrid Buck Converter Using Dual Rails for Wider Bandwidth
Separate voltage rails and a 4-level hybrid buck scheme improve SMPS bandwidth, voltage regulation, and load response without buck-boost complexity.
- DC-DC Converter Constant-Charge Control for Stable Output Ripple
Variable high-side switch on-time keeps charge per cycle constant, improving DC-DC output regulation and ripple across line changes.
- Single-Pin Low Power Mode Control With Level-Shift Pull-Down
A level-shift pull-down lets one IC pin reliably control retention or sleep modes, cutting pin count, area, and glue logic.
- Buck-Boost Circuit Topology for Fast Voltage Stabilization
A switched capacitor and inductor topology generates 2x input voltage to shorten buck-boost transitions and stabilize output faster.
- Multiphase DC-DC Converter Current Sharing With Fewer I/O Pins
Averaging current in the power stages balances phase load and temperature while cutting controller pin count and PCB routing complexity.
- Remote-Sensed SCVR Feedback Loop for Accurate Load Voltage Regulation
Remote and local voltage sensing in an SCVR feedback loop compensates IR drop and ripple, improving regulation accuracy and early undervoltage detection.
- Impedance Injection Power Supply for Surge-Tolerant Startup
A multi-mode supply harvests line energy, clamps DC-link overvoltage, and enables safe startup of impedance injection units during surges or zero current.
- Boost Charge Circuit for High-Side N-Channel FET Gate Drive
A charged capacitor lifts internal voltage above the input, enabling high-side N-channel FET gate drive with less circuit complexity and cost.
- Adaptive Bootstrap Recharge Bias for DCM DC-DC Converters
A dynamic clamp bias keeps the bootstrap capacitor charged in DCM and pulse-skip modes, preserving high-side gate drive with less circuit area.
- Dynamic Gate-Drive LDOs for Selectable-Ratio Power Converters
Dynamic LDO gate-drive supplies limit FET current spikes and enable seamless ratio switching in high-efficiency DC-DC converters.
- Active Bootstrap Supply Generator Using Low-Voltage Transistor Stacks
Active transistor bootstrapping replaces diode schemes to generate high-side supply voltage more efficiently on low-voltage ICs.
- Switching Converter Inductor Current Emulation for Short PWM Phases
Measures inductor current in longer switch phases and estimates the short-phase peak to emulate current for stable converter control.
- Single-Inductor Multi-Output Regulator for Compact Buck-Boost Power
A SIMO buck-boost regulator uses one inductor, flying capacitors, and feedback control to save space while keeping multiple outputs accurate.
- Forward Converter Charge Pump for EMI-Isolated High-Voltage Output
A forward converter and self-switched charge pump isolate switching noise while generating stable high voltage with low ripple and loss.
- Switched Capacitor Voltage Regulator Mode Switching Under Load
Autonomous SCVR mode switching uses switch-state references and sensor feedback to keep output voltage continuous across buck and boost transitions.
- Hybrid Bidirectional Converter With Adaptive Ratio Control
Adaptive ratio control and transient detection stabilize bidirectional buck-boost conversion for wide USB PD 3.1 voltage ranges.
- Charge Pump Power Supply With Dynamic Input Voltage Adjustment
Dynamic input voltage control lets a charge pump hold stable output current or voltage while cutting regulator power loss and heat.
- Switched-Capacitor Piezoelectric Converter for Wide-Ratio Efficiency
A merged switched-capacitor and piezoelectric resonator cuts inductive branch current to keep converter efficiency high across wide voltage ratios.
- Step-Up Load Driver With Fly Capacitors for OLED Degradation Control
A fly-capacitor step-up driver stabilizes OLED phototherapy current as electrical characteristics drift, cutting power use and battery strain.
- Six-Switch Power Converter for Full-Range LED Backlight Voltage
A six-switch converter uses an inductor and two capacitors to deliver full-range LED backlight voltage without extra switches or larger batteries.
- Power Transistor Circuit With Internal Voltage Generation
Uses diodes, a current draw transistor, and a charge pump to sustain internal voltage without a separate external voltage terminal.
- Multifunction Soft-Start Pin for Accurate Current Limit Sensing
A single RC-programmed pin switches between soft-start charging and over-current limit sensing to cut pin count while preserving DC accuracy.
- Current Transformer Sensing Circuit for Load-Dependent Offset Control
A voltage-limiting and current-direction circuit stabilizes transformer-based DC/DC current sensing despite load-dependent offset shifts.