Thyristor TRIZ Cases
- Asymmetric Trench SiC MOSFET Structure for Lower On-Resistance
Inclined asymmetric trench sidewalls and graded doping improve current flow in a SiC insulated-gate MOSFET while reducing on-resistance.
- MOS Thyristor Gate Structure for 0 V Turn-Off and Uniform Switching
Segmented gate electrodes and a doping pattern enable 0 V turn-off, smoother switching, and more uniform MOS thyristor operation.
- Thyristor Gate Polygon Layout for High dI/dt and Fast Turn-Off
Segmented polygon gate electrodes surround cathode islands to raise dI/dt, preserve dV/dt, and shorten thyristor turn-off time.
- Asymmetrical ESD Isolation Layout for Harmonic Linearity
Unequal isolation around alternating p- and n-wells reduces harmonic distortion in silicon ESD protection without sacrificing robustness.
- Series Thyristor Switching with Sequential Gate Triggering
Sequential gate coupling lets a series thyristor string be tested without high voltage while improving overvoltage protection and diagnosis.
- Antiparallel Thyristor Switch for AC Sign-Change Conduction Control
Antiparallel thyristors with separate drive circuits and integrated diodes prevent uncontrolled AC sign-change conduction in high-power switches.
- Antiparallel Thyristor Switch for AC Conduction Control
Two antiparallel thyristors with separate driver circuits and integrated diodes prevent uncontrolled AC conduction during current reversal.
- GaN Heterojunction Diode Feedback Circuit for Lower Forward Loss
Integrated current sensing raises the GaN diode gate during forward conduction to form a 2DEG channel and cut voltage drop.
- Thyristor Fault-Current Triggering to Prevent Thermal Destruction
Fault-current detection triggers the thyristor into conduction to suppress junction heating and avoid thermal destruction until breaker interruption.
- Thyristor Load Switching Circuit for Zero-Voltage AC Control
Using two head-to-tail thyristors and one control thyristor, this case avoids triac restart issues and enables precise zero-voltage switching.
- Thyristor Load Switching Circuit for Zero-Voltage Trigger Control
A control thyristor and head-to-tail power thyristors prevent re-triggering while enabling precise zero-voltage load switching.
- FinFET Thyristor Switch Structure for Low-Capacitance Interface Protection
A FinFET-triggered thyristor structure protects high-speed interfaces from EOS, EMI, and ESD while keeping parasitic capacitance low for RF bandwidth.
- Selectable Magnetic Pulse Shaping for Low-Energy Nerve Stimulation
Freely selectable coil pulse shapes cut energy use and overheating while adapting magnetic stimulation to different nerve or muscle cells.
- Thyristor Drive Circuit Using Voltage Detection to Eliminate Dead Zones
A voltage detection switch in the thyristor drive loop removes conduction and driving dead zones while cutting power use and improving response.
- Thyristor Gate Drive Circuit With Voltage Detection Switch Timing
Using a series voltage detection switch, this thyristor gate drive removes conduction dead zones, lowers energy use, and speeds response.