Electric Variable Regulation TRIZ Cases
- Reactive Power Compensation Device Impedance Detection
A reactive power compensation device calculates system impedance by analyzing voltage and reactive power changes during controlled output periods.
- Voltage Regulator Protection Circuit Simplification
A voltage regulator uses protection circuit drain current as a control signal to simplify the design.
- Shunt Regulator with Startup Circuit for Overvoltage Protection
A shunt regulator circuit uses a startup mechanism to initialize operation and maintain stable voltage levels.
- LDO Regulator Bias Current Trimming for Standby Stability
A low drop out regulator circuit adjusts bias current via a trimming mechanism to stabilize output voltage across operating modes.
- Regulator Circuit Zener Diode Resistor Parallel Backflow Limiter
A regulator circuit uses a zener diode and resistor in parallel as a backflow limiter between the power supply terminal and the transistor.
- Voltage Generator with Feedback Control for Low Operation Voltage
A voltage generator uses a feedback circuit to adjust transistor gate voltages and maintain stable output.
- Digital Synchronous Converter Dead-Time Optimization
Dynamic dead-time control prevents shoot-through in digital synchronous converters while minimizing power loss from body diode conduction.
- Adaptive LDO Load Switch Capacitance Sensing
Capacitance sensing circuit adjusts adaptive RC network for stable voltage regulation.
- AC Voltage Regulator Switch Control for Power Loss Reduction
Input and output detection circuits manage a switch in an AC voltage regulator, reducing power losses during light load conditions.
- Voltage Regulator Circuit with Dual Differential Amplifiers
Dual differential amplifiers and a voltage generating unit form negative feedback that stabilizes limited current against threshold voltage variations.
- Voltage Reference Circuit Beta Compensation
Beta sensing transistors measure emitter-to-base current ratios to trim resistors, reducing voltage variation to 0.2% over temperature ranges.
- Linear Voltage Regulator with Feedback Voltage Divider
A linear voltage regulator uses a feedback voltage divider to adjust pass transistor resistance.
- LDO NMOS Output Transient Response via Voltage Controlled Current Source
Voltage controlled current source clamps internal compensation node in LDO regulators with NMOS outputs.
- Voltage Regulator Stabilization for Wide Output Capacitance
Dynamic pole adjustment maintains loop stability across wide output capacitance ranges without reducing bandwidth.
- Voltage Regulation Device Dynamic Load Stabilization
A voltage regulation device uses a detection adjustment circuit to dynamically modify the control voltage of a second transistor.
- Bandgap Reference Voltage Circuitry with Segmented BJT Branches
Segmented bipolar junction transistor branches cancel process variations through resistance ratios, eliminating part-to-part calibration needs.
- DC Stabilization Power Supply Drive Current Clamping
A DC stabilization power supply apparatus clamps drive current at a lower-limit value to prevent overcurrent during startup.