Electronic Switching TRIZ Cases
- Press Detection Apparatus Vibration Filtering
A press detection apparatus determines definitive values by comparing sequential measured force changes against reference amounts.
- Wide Supply Range Precision Startup Current Source Circuit
A precision startup current source circuit generates stable initialization currents for bandgap reference voltage generators across wide supply ranges.
- SiC BJT JFET Power Control Circuit for High-Speed Switching
Silicon carbide bipolar junction transistors and junction field effect transistors in a segmented power control circuit overcome IGBT switching speed limits.
- Fault Protection Circuit With Unregulated Power Supply
An unregulated power supply keeps the error circuit active during main voltage faults, preventing damage to power switches.
- Gate Driver Short-Circuit Protection via Soft Turn-Off
A gate driver circuit reduces control terminal voltage to just above the threshold level for a controlled duration before final turn-off.
- UAV Grip Detection via Conductive Housing Capacitance
Conductive UAV housing patterns detect user grip through capacitance changes for direct manual control.
- SiC Power Device Crosstalk Suppression via Source Voltage Compensation
A silicon carbide power device driver adjusts source voltage levels to suppress gate-to-source voltage spikes during switching transitions.
- Multifunction Operating Device with Active Haptic Feedback
A multifunction operating device integrates a touch sensor system and an actuator to generate spatially resolved haptic feedback.
- Trench Semiconductor Switch Electrode for Loss Reduction
A switch electrode generates a potential barrier to accumulate minority charge carriers, reducing switching losses and device complexity.
- Touch Panel Electrode Segmentation for Potential Distribution Control
A resistive touch panel uses segmented frame electrodes with varied resistance values to shape electric potential distribution.
- Staggered Switching Control for Parallel Power Semiconductor Load Balancing
Individual control signals stagger switching times to distribute current-carrying capacity evenly across parallel power semiconductor switches.
- Multi-Die Power Module Cluster Activation for Thermal Balance
Grouping dies into clusters with varying activation patterns balances temperatures and reduces thermal stress in multi-die power modules.
- Integrated Solid State Power Switch for Aircraft Fault Protection
An integrated solid state power switch combines field effect and bipolar transistor channels to manage current flow in aircraft systems.
- RF Switch Feed Forward Capacitor Reduces IMD2
A feed forward capacitor couples RF voltage to the gate terminal of an RF switch, reducing second order intermodulation distortion by 4 dB.
- Paralleled Transistor Cells With Resistive Gate Decoupling
Resistively decoupling gate structures of paralleled transistor cells delays turn-OFF to manage switching dynamics.
- Reference Voltage Generator Using MOS and Bipolar Transistors
A reference voltage generator combines MOS and bipolar transistors to produce a stable output signal.
- IGBT Short-Circuit Protection Circuit Reducing Power Loss
Short-circuit protection circuit regulates IGBT supply voltage to reduce gate drive and fault current.
- Internal Voltage Detection Circuit for Semiconductor Memory
A voltage detection circuit combines temperature-dependent and constant signals to maintain stable bulk bias levels.
- Parallel Semiconductor Switch Control for Current Bias and Offset Error
Alternating parallel semiconductor switches isolates individual offset errors, enabling accurate overcurrent detection despite element variations.
- Steering Column Switch With Magnetic Field Sensor
A steering column switch uses magnetic field sensors to detect pivoting and rotational positions of the operating lever.
- Power-On Reset Circuit Segmentation for Voltage Drift
A power-on reset circuit segments the voltage detector and holding circuit to stabilize reference generation.