H03K19/01714

LOGIC-IN-MEMORY INVERTER USING FEEDBACK FIELD-EFFECT TRANSISTOR

Disclosed is technology that is driven using a positive feedback loop of a feedback field-effect transistor and is capable of performing a logic-in memory function. The logic-in-memory inverter includes a metal oxide semiconductor field-effect transistor, and a feedback field-effect transistor in which a drain region of a nanostructure is connected in series to a drain region of the metal oxide semiconductor field-effect transistor, wherein the logic-in-memory inverter performs a logical operation is performed based on an output voltage V.sub.OUT that changes depending on a level of an input voltage V.sub.IN that is input to a gate electrode of the feedback field-effect transistor and a gate electrode of the metal oxide semiconductor field-effect transistor while a source voltage V.sub.SS is input to a source region of the nanostructure and a drain voltage V.sub.DD is input to a source region of the metal oxide semiconductor field-effect transistor.

Logic-in-memory inverter using feedback field-effect transistor

Disclosed is technology that is driven using a positive feedback loop of a feedback field-effect transistor and is capable of performing a logic-in memory function. The logic-in-memory inverter includes a metal oxide semiconductor field-effect transistor, and a feedback field-effect transistor in which a drain region of a nanostructure is connected in series to a drain region of the metal oxide semiconductor field-effect transistor, wherein the logic-in-memory inverter performs a logical operation is performed based on an output voltage V.sub.OUT that changes depending on a level of an input voltage V.sub.IN that is input to a gate electrode of the feedback field-effect transistor and a gate electrode of the metal oxide semiconductor field-effect transistor while a source voltage V.sub.SS is input to a source region of the nanostructure and a drain voltage V.sub.DD is input to a source region of the metal oxide semiconductor field-effect transistor.

Differential bootstrapped track-and-hold circuit with cross-coupled dummy sampling switches
11533050 · 2022-12-20 · ·

Embodiments of a differential bootstrapped track-and-hold circuit are disclosed. In an embodiment, the differential bootstrapped track-and-hold circuit includes first and second single-ended bootstrapped track-and-hold circuits. Each single-ended bootstrapped track-and-hold circuit includes a sampling switch connected between an input terminal and an output terminal, a sampling capacitor connected to the output terminal, and a dummy sampling switch connected between the input terminal and a dummy output terminal. The sampling switch and the dummy sampling switch are controlled by a bootstrap driver connected to the input terminal. The dummy output terminal of the first single-ended bootstrapped track-and-hold circuit is connected to the output terminal of the second single-ended bootstrapped track-and-hold circuit and the dummy output terminal of the second single-ended bootstrapped track-and-hold circuit is connected to the output terminal of the first single-ended bootstrapped track-and-hold circuit to provide signals to compensate for charge injection errors at the output terminals.

Multi-capacitor bootstrap circuit

Aspects of the disclosure provide for a circuit. In some examples, the circuit includes a first transistor, a second transistor, a third transistor, a first capacitor, and a second capacitor. The first transistor comprises a drain terminal coupled to an input voltage node, a source terminal coupled to a first node, and a gate terminal coupled to a second node. The second transistor comprises a drain terminal coupled to a third node, a source terminal coupled to a fourth node, and a gate terminal coupled to a fifth node. The third transistor comprises a drain terminal coupled to a sixth node, a source terminal configured to couple to a gate terminal of a switching transistor, and a gate terminal coupled to a seventh node. The first capacitor is coupled between the first node and the third node. The second capacitor is coupled between the fourth node and the sixth node.

Switching converter and a method thereof

A control circuit having: a logic circuit, configured to provide a high side boot-strap capacitor control signal set and a low side boot-strap capacitor control signal set; a high side boot-strap capacitor control circuit, configured to provide a high side power signal to control a high side power switch; a high side boot-strap capacitor, having a first terminal coupled to a control terminal of the high side power switch, and a second terminal coupled to the high side boot-strap capacitor control circuit; a low side boot-strap capacitor control circuit, configured to provide a low side power signal to control a low side power switch; and a low side boot-strap capacitor, having a first terminal coupled to a control terminal of the low side power switch, and a second terminal coupled to the low side boot-strap capacitor control circuit.

Level shifter circuit with improved time response and control method thereof

A level shifter circuit with improved time response and a control method thereof are disclosed herein. The level shifter circuit includes the output stage circuit of a level shifter and a booster circuit. The output stage circuit of the level shifter includes a first pass switch configured to transfer a voltage level of the first power supply of the level shifter to an output node, and a second pass switch connected between a second power supply and the first pass switch. The booster circuit accelerates the switching operation of the level shifter by accelerating a time response during the turning on or off operation of the first pass switch using charge sharing between a first capacitor and the parasitic capacitance of the control node of the first pass switch, which occurs via a first switch.

VOLTAGE CONVERTER INTEGRATED CIRCUIT WITH AN INTEGRATED BOOTSTRAP CAPACITOR
20170324411 · 2017-11-09 ·

A bootstrap circuit integrated to a voltage converter integrated circuit (IC) and a voltage converter IC for a switch mode voltage regulator. The bootstrap circuit is used to provide a bootstrap voltage signal for driving a high side switch of the voltage converter IC. The bootstrap circuit has a pre-charger and a bootstrap capacitor. The pre-charger provides a first bootstrap signal to pre-charge a control terminal of the high side switch, and the bootstrap capacitor provides a second bootstrap signal to enhance the charge of the control terminal of the high side switch.

Floating power supply for a driver circuit configured to drive a high-side switching transistor

A high-side switching transistor of a rectifier circuit is driven by a high-side driver circuit to supply current to an output node. The high-side driver circuit is powered between a capacitive bootstrap node and the output node. A boot charge circuit charges the bootstrap capacitor by supplying current to the bootstrap node. The boot charge circuit includes: a first current path that selectively supplies a first charging current to the bootstrap node when the rectifier circuit is operating in a switching mode; and a second current path that selectively supplies a second charging current to the bootstrap node when the rectifier circuit is operating in a reset mode.

SWITCHING CIRCUIT APPARATUS CAPABLE OF CONTROLLING MULTIPLE SWITCHING ELEMENTS TO SYNCHRONOUSLY TURN ON AND OFF WITH BOOTSTRAP CIRCUIT
20230327664 · 2023-10-12 ·

In a switching circuit apparatus, first and second capacitors apply power supply voltages to first and second drive circuits. First and second diodes are connected such that currents flow from a DC voltage source to the first and second capacitors. A resistor and a Zener diode are connected in series between a terminal and a node, such that a reverse bias voltage is applied from the terminal to the Zener diode via the resistor. A third diode is connected such that a current flows to the first capacitor from a node (N2) between the resistor and the Zener diode.

DIFFERENTIAL BOOTSTRAPPED TRACK-AND-HOLD CIRCUIT WITH CROSS-COUPLED DUMMY SAMPLING SWITCHES
20220416785 · 2022-12-29 ·

Embodiments of a differential bootstrapped track-and-hold circuit are disclosed. In an embodiment, the differential bootstrapped track-and-hold circuit includes first and second single-ended bootstrapped track-and-hold circuits. Each single-ended bootstrapped track-and-hold circuit includes a sampling switch connected between an input terminal and an output terminal, a sampling capacitor connected to the output terminal, and a dummy sampling switch connected between the input terminal and a dummy output terminal. The sampling switch and the dummy sampling switch are controlled by a bootstrap driver connected to the input terminal. The dummy output terminal of the first single-ended bootstrapped track-and-hold circuit is connected to the output terminal of the second single-ended bootstrapped track-and-hold circuit and the dummy output terminal of the second single-ended bootstrapped track-and-hold circuit is connected to the output terminal of the first single-ended bootstrapped track-and-hold circuit to provide signals to compensate for charge injection errors at the output terminals.