Current/Voltage Measurement TRIZ Cases

A current-source resistor circuit senses FET input voltage against local ground, avoiding wire-drop errors that cause overheating and breakdown.

Analog voltage sensing on shared I²C lines identifies accessory type before power-on, cutting extra hardware and enabling live insertion.

Digital dimming data is carried on the power signal so LED lamps can demodulate commands for stable, flicker-free brightness control.

Separating first and second edge detection with clock synchronization improves short pulse interval detection in noise without a high-speed clock.

Dual feedback paths let a DAC supply add programmable ripple or noise while keeping the DC output regulated for electronic test loads.

A driver circuit cancels common-mode swing in power amplifier load sensing, cutting noise, distortion, chip area, and power use.

Threshold comparison updates sensor values without full A/D conversion, preserving sampling frequency while reducing processing load and power use.

A second high-resolution ADC measures offset error and applies correction factors to improve SOC accuracy while cutting calibration time.

Dual mux-interface circuits decouple the compensation path during slew events, cutting in-rush current and protecting high-voltage multiplexed measurements.

A dual-branch current sensing circuit tracks IC voltage fluctuations in real time to improve detection accuracy and power supply stability.

A voltage monitor disconnects the output terminal under overvoltage, preventing circuit breakage without degrading signal quality or noise resistance.

Internal comparators and hysteresis let a bidirectional level shifter detect signal direction automatically without extra control pins or timing penalties.

Monitors internal SoC voltage rail proportions and switch states at power-up without trim values to detect supply manipulation and trigger reset.

Dual clock generation across protected and unprotected power domains detects power-glitch attacks before security functions are bypassed.

Internal calibration of unit voltages and comparator offset keeps AD conversion accurate over time without external instruments.

Code-based droop detection with nonlinearity correction and clock-delay calibration improves voltage droop accuracy under process and temperature shifts.

Threshold drift is tracked to adjust switch-on gate voltage, keeping conduction losses stable and extending power semiconductor life.

A feedback-controlled charging branch stabilizes LED current limiter headroom to cut losses and widen the mains operating window.

Four switch-level current sensors let a Class-D driver stage detect and locate shorts that bypass a single sense resistor, helping prevent damage.

Programmable channels, switches, and ADC/DAC paths let one smart sensor interface adapt to capacitive, resistive, and voltage-output sensors.

Mixed-VT delay elements let a droop detector track critical-path logic depth more accurately while detecting voltage droops early.

Two voltage-sensitive circuits with different responses cancel clock-jitter delay while preserving voltage-attack detection in ICs.

Using the electrochemical cell as the PWM loop filter cuts on-chip area and power in analyte measurement circuitry for compact multi-sensor devices.

Voltage is converted into oscillator count data, improving detection accuracy and widening range without heavy analog circuit dependence.

A low-pass filter and separate positive and negative detectors identify supply-voltage glitches quickly to prevent logic malfunctions.

A switched low-resistance charging path powers dimmers from mains voltage, then disconnects when absent to cut standby consumption.

A comparator tracks on-state voltage rise from increasing on-resistance to flag power transistor end-of-life before failure damages nearby components.

Phase and DC-offset compensation keep filtered and input signals aligned, improving zero-crossing accuracy under harmonics and noise.

Clock-cycle counting between voltage thresholds detects fast droops early, enabling frequency reduction or clock pause to protect CPU and GPU operation.

Comparator-based voltage testing tracks on-resistance rise in a power transistor, enabling end-of-life detection before failure.

Uses transistor threshold voltages and selected references to set POR trip voltage while cutting area, quiescent current, and cost.

A dual-trip POR circuit detects supply ramp-up and ramp-down while eliminating steady-state current through trip-node control.

Load voltage feedback lets a processor detect spike polarity and adjust switching timing to suppress inductive load voltage spikes.

A fixed and adaptive all-pass stage offsets low-pass phase lag and DC shift to keep zero crossings accurate under harmonics.

An electrochemical cell doubles as the PWM loop filter, shrinking analyte measurement circuitry and lowering power for multi-sensor chips.

Parallel delay chains replace one long path to widen TDC range, improve granularity, and cut dead time for faster voltage-droop detection.

A power detector and switch keep N-well bias active when DVDD is low or too close to VDD for threshold-based bias circuits.

Thick TOP conductors are placed farther from adjacent transistors to reduce Si interface displacement and stabilize amplifier offset over temperature.

A differential trans-resistance amplifier with switched-capacitor feedback keeps current sensing accurate despite temperature and stress variation.

Compares input and reference currents to generate difference currents for binary conversion with lower power loss and less circuit complexity.

Supplemental startup current speeds Vdd detection during ramp-up, then turns off near steady state to keep integrated-circuit power low.

An H-bridge V2I circuit uses calibration networks to correct mismatch and parasitic capacitance, improving speaker current sensing and reducing distortion.

Analog low-pass filtering plus digital compensation prevents clipping and preserves dynamic range in mutual inductance current sensing.

A CDAC, comparator, and binary code generator track battery voltage with far less area and power than resistor divider monitors.

Noise-shaped bias generation replaces costly precision references in CGMs, cutting power and size while preserving accurate glucose sensing.

Using the electrochemical cell as the PWM loop filter cuts chip area and power while enabling precise multi-analyte sensing.

A continuous-time sigma-delta interface reads small TMOS differential signals without pre-amplification, cutting power use and common-mode sensitivity.

Pre-charging the LED output capacitor below turn-on voltage cuts standby-to-light delay while keeping standby power loss low.

An equipotential shield resistor around the measuring resistor cuts parasitic capacitance, improving ion current response time and stability.

A sampling transistor and capacitor capture the brief Miller plateau in FET switching for precise ADC measurement and conduction monitoring.