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US 12,184,273 B2Granted
Electrostatic discharge clamp topology
AssigneeSkyworks Solutions, Inc.
InventorAdrian John Bergsma
Life of this patent
Estimating the term…
Abstract
A clamping circuit comprises a first field-effect transistor (FET) having a gate, a source, and a drain, a diode, a first voltage source, and coupling circuitry configured to couple the first voltage source to the drain of the first FET and the diode to the source of the first FET.
Claims16
A circuit comprising:
- a first voltage source;
- a first diode network including one or more series-connected diodes;
- a second diode network comprising one or more series-connected diodes including at least a first diode and a second diode;
- a field-effect transistor (FET);
- an inverter;
- a resistor;
- a capacitor;
- a second voltage source;
- and
- coupling circuitry configured to couple the first diode network between the first voltage source and the second voltage source, the FET in parallel with the first diode network, a gate of the FET to the inverter, the inverter, resistor, and capacitor to a first node, and the FET to a fourth node between the first diode network and the second diode network, and the coupling circuitry being further configured to directly couple the FET to a fifth node between the first diode and the second diode.
7 more elements
A circuit comprising:
- a first voltage source;
- a first diode network including one or more series-connected diodes;
- a second diode network comprising one or more series-connected diodes;
- a field-effect transistor (FET);
- an inverter;
- a resistor;
- a capacitor;
- a second voltage source;
- and
- coupling circuitry configured to couple the first diode network between the first voltage source and the second voltage source, the FET in parallel with the first diode network, a gate of the FET to the inverter, the inverter, resistor, and capacitor to a first node, the FET to a fourth node between the first diode network and the second diode network, the resistor directly to the first voltage source, and not couple the inverter directly to the first voltage source.
7 more elements
A wireless device comprising:
- a first voltage source;
- a first diode network including one or more series-connected diodes;
- a second diode network comprising one or more series-connected diodes;
- a third diode network comprising one or more series-connected diodes;
- a field-effect transistor (FET);
- an inverter;
- a resistor;
- a capacitor;
- a second voltage source;
- and
- coupling circuitry configured to couple the first diode network between the first voltage source and the second voltage source, the FET in parallel with the first diode network, a gate of the FET to the inverter, the inverter, resistor, and capacitor to a first node, and the FET to a fourth node between the first diode network and the second diode network, the coupling circuitry being further configured to directly couple the FET to a fifth node between the first diode network and the third diode network.
8 more elements
A packaged module comprising:
- a first voltage source;
- a first diode network including one or more series-connected diodes;
- a second diode network comprising one or more series-connected diodes;
- a field-effect transistor (FET);
- an inverter;
- a resistor;
- a capacitor;
- a second voltage source;
- and
- coupling circuitry configured to couple the first diode network between the first voltage source and the second voltage source, the FET in parallel with the first diode network, a gate of the FET to the inverter, the inverter, resistor, and capacitor to a first node, the FET to a fourth node between the first diode network and the second diode network, the capacitor directly to the second voltage source, and not couple the inverter directly to the second voltage source.
7 more elements
Dependencies are inferred from the claim text.