Apparatus Without Intermediate Ac Conversion TRIZ Cases

Parallel redundant polysilicon diode pumps mitigate parasitic MOS field leakage and single event effects in standard CMOS processes.

Bootstrap level shifting circuit reduces transistor on-resistance and output impedance, enabling efficient multiplied positive and negative voltage generation.

Electronic control unit sets distribution mode based on power rates of change relative to charge state values.

A charge pump uses a patterned clock signal to initiate sequential charging every N cycles, reducing active stage count.

Bidirectional converters in this vehicle power management system decouple HVAC operation from engine idle, reducing fuel consumption and improving reliability.

A power conversion circuit uses a resonant capacitor to form a reactive impedance that compensates for direct current resistance losses.

A controller switches a power supply between discharge and bypass modes to maintain stable AC output.

Oscillation signal generators produce phase-shifted signals to drive sequential charge pumping operations in internal voltage generation circuits.

Segmenting voltage conversion into a charge pump and boost stage reduces ripple current and inductor losses.

A touch input device separates pressure sensing frequencies from display synchronization signals to reduce noise interference.

A reference current generator uses two integration capacitors operating on opposite phases to reduce required compensation capacitance.

Single flying capacitor design reduces external component count and power consumption while generating symmetrical positive and negative supply voltages.

A bootstrap capacitor detecting circuit monitors voltage reduction to verify normal connection status.

Staggered four-phase clock signals reduce peak current and simultaneous switching noise while maintaining high voltage gain in embedded memory applications.

A charge circuit section in a vehicle power supply device manages precharging operations through controlled switching signals.

A power supply system regulates output voltage using a programmable voltage divider and comparator to control charge pump transitions.

Dynamic charge pump cell quantity control optimizes power efficiency and reduces noise under varying load conditions.

A multi-level buck-boost converter uses flying capacitors and a switching cell to perform efficient step-up and step-down voltage conversion.

A precharge circuit adjusts current limits for multiple load devices during charging.

Stacked power NMOS transistors charge the output from 0.3V without external components, solving threshold voltage limitations in energy harvesting.

A SIMO DC-DC converter driving device uses dynamic weight assignment to stabilize output voltages across multiple terminals.

A charge pump circuit uses a shared booster unit with switch circuits to generate positive and negative voltage signals.

A hybrid rectifier stage using Schottky diodes and MOS transistors converts weak RF signals into stable voltage.

A charge pump circuit uses a bias-ratio network to generate symmetrical driving voltages for liquid crystal displays.

A transistor biasing circuit uses sensor signals to dynamically adjust n-type and p-type well voltages for optimal performance.

A charge pump uses a current sensor and feedback network to inject compensation current into the output node.

A switched capacitor converter and voltage regulating module cooperate to boost output voltage above battery levels.

Dynamic control loop bandwidth reduces settling time during output voltage scaling while preventing instability from increased ripple current.

Controller manages output currents from multiple power converter phases to optimize energy delivery for dynamic loads.

A silicon-on-insulator voltage generation circuit uses parasitic diodes to produce positive and negative outputs.

External pump capacitors minimize energy loss from on-die parasitic capacitance in memory devices.

A source measure unit controller equalizes feedback loop bandwidth during mode switching to maintain harmonious output signals.

A charge pump design using low voltage devices to generate high output voltages.

Dynamic voltage gain adjustment prevents overshooting during load changes, protecting connected electronic devices from damage.

Enabling control units delay start-up signals to stabilize clock frequency before activating the charge pump circuit, reducing power consumption.

A boost chopper circuit uses sacrificial switching devices to protect capacitor circuits from overvoltage damage.

Adjustable capacitance values resolve the contradiction between precise boost voltage control and complex circuit configuration in memory devices.

A bi-directional charge pump circuit generates positive and negative voltages using deep N-well switches.

A bootstrapped high voltage pass gate transistor couples a low voltage sense amplifier to bitlines with low impedance.

A dual-mode voltage doubling buck regulator adjusts duty cycle and input voltage to maintain stable output.

Sequential pre-charging balances capacitor voltages, eliminating surge currents that damage transistors during heavy load start-up.

Dynamic switch control reduces peak current and power consumption while maintaining target voltage stability in liquid crystal displays.

Separate oscillators drive charging and discharging transistors independently, compensating for protective element impedance variations.

Auxiliary start-up transistors pre-charge control nodes in a four-phase charge pump circuit, resolving start-up failures and ensuring stable pump voltage.

Bidirectional DC/DC converters apply localized current control to equalize battery life despite varying fully charged capacities.

A switching resistance linear regulator uses comparators to adjust sourcing and sinking currents for stable output voltage.

A reference voltage generator switches between synchronous and asynchronous modes to update rails.

A DC-to-DC converter circuit determines reference voltage from switching cycle counts to track maximum power points.