Electric Variable Regulation TRIZ Cases

Mean DAC code holding after panic-mode fast clocking reduces limit cycling and improves digital LDO settling and output stability.

Concurrent LDO control loops prioritize the external pass transistor at startup, shifting load current away from the internal device to limit heat.

Paired E-mode and D-mode MOS transistors stabilize reference current across temperature changes while reducing circuit layout area.

Concurrent control loops prioritize the external pass transistor at startup, cutting internal transistor heat stress in an LDO regulator.

Adding a base-emitter capacitor to bipolar transistors filters EMI and keeps the bandgap reference voltage stable under RF fields.

Dynamic NMOS and PMOS buffer biasing helps this LDO maintain stable output and high load capability at very low input voltages.

Automatic pulse generation suppresses output-voltage undershoot during load transients, reducing manual threshold tuning and retesting.

An induced offset buffer level-shifts the error amplifier in an N-type LDO, enabling stable 0.4-0.75 V output with lower power and one rail.

A differential amplifier feeds back divided output voltage to correct regulator errors and keep two DC supply levels in a stable ratio.

Chopper stabilization and source degeneration cut bandgap reference noise and improve temperature stability without large on-chip resistors or capacitors.

A current mirror, amplifier, and bias-current compensator improve load regulation in low-power linear supplies with small capacitors or heavy loads.

A second amplifier supplies on-demand leakage current to hold reference voltage stable across varying capacitive loads and multi-die analog circuits.

A current-shunt path enables a bandgap reference below 0.7 V while reducing resistor area, avoiding ripple, and keeping current sources in saturation.

A differential amplifier feeds one regulator from the other output to correct reference and resistor errors and keep dual DC voltages in ratio.

A pre-settling circuit moves the OP-amp output near target voltage at enable, cutting analog wake-up time while limiting power use.

Paired E-mode and D-mode MOS transistors with voltage division stabilize reference current across temperature changes while saving layout area.

A ground fault protection circuit raises feedback voltage when the adjustment port is grounded, suppressing output overvoltage.

Compensation transistors and op-amp biasing offset TID and intrinsic base currents to keep bandgap reference voltage stable in radiation environments.

Rectified temperature-dependent signals enable piecewise correction without sensors or comparators, keeping reference outputs continuous and stable.

Digital logic and comparator control cut bandgap reference noise without large filters or chopping ripple, while preserving accuracy and power efficiency.

Using only bipolar transistors, this bandgap reference circuit removes MOSFET flicker noise and compensates base current errors to keep voltage stable.

A series-parallel array of nominally identical resistors averages out ratio errors, enabling precise high-ratio voltage division at lower cost.

A trim circuit compensates bipolar base current errors in a low-voltage bandgap reference to reduce temperature curvature and improve accuracy.

Offset-voltage comparators and a turn-off circuit stop regulator output current during brownout recovery to prevent overshoot and current limit faults.

Switchable current-source and MOS control let the regulator alternate between efficient variable-current operation and constant-current side-channel masking.

Low substrate bias and voltage limiting curb MOS leakage above 125°C while maintaining a stable zero-temp reference for automotive chips.

Stored peak-voltage data and change detection let a solar DC-DC converter return quickly to maximum power after irradiance shifts.

A timed pull-down switches from low to high resistance after LDO shutdown, enabling fast node discharge with lower off-state leakage.

A self-biasing depletion-mode FET circuit tracks threshold voltage to stabilize on-chip biasing while cutting power and external parts.

Cascode compensation capacitors improve LDO PSR at the pass transistor gate while avoiding negative conductance shift and output oscillation.

A switchable compensating circuit helps regulator modules maintain stable output voltage and high-frequency response under changing loads.

Equalizing drain-to-source voltages with a low-headroom cascode bias circuit improves current mirror accuracy by limiting channel-length modulation.

A feedforward Wilson current mirror and FVF loop stabilize output voltage against fast transients and EMI while keeping quiescent current low.

A bridge transistor topology compensates threshold, temperature, and process variation to keep reference voltage stable at low current.

A power-down control circuit limits transistor voltage stress and leakage, helping LDO bandgap references regulate safely at higher supply voltages.

Separating the high-voltage regulator from sealed housing cuts heat buildup and power loss while maintaining stable, low-noise bipolar output.

Dynamic voltage-based injection control stops excess current in an LDO regulator to prevent output overshoot during load transitions.

One current generation unit feeds both bandgap voltage and current loops, cutting chip area and cost versus separate reference circuits.

Correction voltages cancel temperature drift in a voltage reference circuit, preserving high accuracy and low noise without raising quiescent current.

A feedback-controlled gate drive holds current nearly constant to stabilize dV/dt across loads and simplify EMI control.

Timed current pulses and comparator feedback cut static power while preserving stable voltage output and limiting inrush current.

A fixed current-gain booster scales low-current gate signals for faster power-switch transitions while preserving control feedback and reducing switching loss.

A reference-based cascaded N-well steering circuit lets thin-oxide PMOS safely track the highest available supply in multi-supply designs.

Selectable trim currents, resistor branches, and feedback correct fabrication tolerance errors to keep bandgap reference voltage stable.

A differential-pair LDO buffer cuts quiescent current while improving transient response, separate voltage-domain operation, and loop stability.

A gm-boosted class AB driver uses push-pull paths and compensation filtering to cut output impedance while preserving LDO bandwidth.

Input-voltage feedback lets a regulator adjust an electronic element without extra sensors, improving response to environmental changes.

A current turnback feedback circuit replaces multi-stage LDO voltage feedback to lower supply voltage and power use in differential drivers.

A dual-transistor LDO compensation scheme forms a zero with a resistor and output capacitor to preserve stability while reducing chip area and voltage error.

A boost-current start-up path helps bandgap references start reliably across PVT variation while avoiding excess current at high voltage.