H03K2217/0054

Bootstrapped switch
20230086244 · 2023-03-23 ·

A bootstrapped switch includes a first transistor, a second transistor, a first capacitor, three switches, and a switch circuit. The switch circuit includes a first switch, a second switch, a second capacitor, and an inverter circuit. The first transistor receives the input voltage and outputs the output voltage. The first terminal of the second transistor receives the input voltage, and the second terminal of the second transistor is coupled to the first terminal of the first capacitor. The control terminal of the first switch receives a clock. The second switch is coupled between the control terminal of the first transistor and the first switch. The input terminal of the inverter circuit is coupled to the control terminal of the first switch. The second capacitor is coupled between the control terminal of the first transistor and the output terminal of the inverter circuit.

BIDIRECTIONAL SWITCH CIRCUIT AND POWER CONVERSION DEVICE

According to the present disclosure, a bidirectional switch circuit includes a first semiconductor device including a first backside electrode electrically connected to a first pattern and a first upper surface electrode, a second semiconductor device including a second backside electrode electrically connected to a second pattern and a second upper surface electrode, a first diode including a first cathode electrode electrically connected to the first pattern and a first anode electrode, a second diode including a second cathode electrode electrically connected to the first pattern and a second anode electrode, first wiring electrically connecting the first upper surface electrode and the second anode electrode and second wiring electrically connecting the second upper surface electrode and the first anode electrode, wherein the first upper surface electrode, the second upper surface electrode, the first anode electrode and the second anode electrode are electrically connected to each other.

Transistor aging reversal using hot carrier injection
11611338 · 2023-03-21 · ·

Embodiments relate to circuit for reversing a threshold voltage shift of a transistor. The circuit includes a current mirror for sensing a transistor current and generating a mirrored current corresponding to the sensed transistor current, a gate biasing module for providing a gate bias to the transistor, and a calibration engine configured to receive the mirrored current from the current mirror and to control the gate biasing module in response to determining whether the mirrored current is outside of a predetermined range indicative of a shift in the threshold voltage of the transistor. The gate biasing module includes a gate biasing circuit configured to operate the transistor in a region where hot carrier injection (HCI) is present, and a gate switch for coupling the gate biasing circuit to a gate terminal of the transistor.

SWITCHES WITH MAIN-AUXILIARY FIELD-EFFECT TRANSISTOR CONFIGURATIONS

Disclosed herein are switching or other active FET configurations that implement a branch design with one or more interior FETs of a main path coupled in parallel with one or more auxiliary FETs of an auxiliary path. Such designs include a circuit assembly for performing a switching function that includes a branch with a plurality of auxiliary FETs coupled in series and a main FET coupled in parallel with an interior FET of the plurality of auxiliary FETs. The body nodes of the FETs can be interconnected and/or connected to a body bias network. The body nodes of the FETs can be connected to body bias networks to enable individual body bias voltages to be used for individual or groups of FETs.

Bidirectional semiconductor circuit breaker

The present disclosure relates to a bidirectional semiconductor circuit breaker including a primary circuit unit connected between a power supply and a load and in which a first semiconductor switch and a second semiconductor switch are arranged in series and a snubber circuit unit of which one end is connected to the front end of the first semiconductor switch and the other end is connected to the rear end of the second semiconductor switch, in parallel. The snubber circuit unit includes a first circuit line, a second circuit line, and a third circuit line of which one end and the other end are connected to the first circuit line and the second circuit line, respectively, and in which a first resistor and a second resistor are arranged in series, and provide a snubber circuit which is applicable to a bidirectional fault current and satisfies semiconductor protection and current restraining performance.

ELECTRIC CIRCUITRY FOR SIGNAL TRANSMISSION
20220337242 · 2022-10-20 ·

An electric circuitry for signal transmission comprises a transmission gate having an input node to apply an input signal. The transmission gate includes a first transistor having an electric conductive channel of a first type of conductivity and a second transistor having an electric conductive channel of a second type of conductivity. The electric circuitry comprises a control circuit to control the signal transmission of the transmission gate. The control circuit is configured to generate a first and second control signal to control the conductivity of the first and second transistor in dependence on a voltage level of the input signal.

Double rule integrated circuit layouts for a dual transmission gate

Exemplary embodiments for an exemplary dual transmission gate and various exemplary integrated circuit layouts for the exemplary dual transmission gate are disclosed. These exemplary integrated circuit layouts represent double-height, also referred to as double rule, integrated circuit layouts. These double rule integrated circuit layouts include a first group of rows from among multiple rows of an electronic device design real estate and a second group of rows from among the multiple rows of the electronic device design real estate to accommodate a first metal layer of a semiconductor stack. The first group of rows can include a first pair of complementary metal-oxide-semiconductor field-effect (CMOS) transistors, such as a first p-type metal-oxide-semiconductor field-effect (PMOS) transistor and a first n-type metal-oxide-semiconductor field-effect (NMOS) transistor, and the second group of rows can include a second pair of CMOS transistors, such as a second PMOS transistor and a second NMOS transistor. These exemplary integrated circuit layouts disclose various configurations and arrangements of various geometric shapes that are situated within an oxide diffusion (OD) layer, a polysilicon layer, a metal diffusion (MD) layer, the first metal layer, and/or a second metal layer of a semiconductor stack. In the exemplary embodiments to follow, the various geometric shapes within the first metal layer are situated within the multiple rows of the electronic device design real estate and the various geometric shapes within the OD layer, the polysilicon layer, the MD layer, and/or the second metal layer are situated within multiple columns of the electronic device design real estate.

CHARGING PROTECTION CIRCUIT, CHARGING CIRCUIT, AND ELECTRONIC DEVICE
20220328469 · 2022-10-13 ·

This application relates to a charging protection circuit. The charging protection circuit implements overcurrent protection by using a four-terminal NMOS switching transistor. In the solution provided in this application, floating management is performed on a Sub port of the four-terminal NMOS switching transistor. Specifically, when the four-terminal NMOS switching transistor is turned on, potential of the Sub port is pulled up, to avoid an excessively large internal resistance of the four-terminal NMOS switching transistor caused by an excessively large voltage between the Sub port and a drain of the four-terminal NMOS switching transistor. In addition, this application further provides a charging circuit and an electronic device.

METHOD AND SYSTEM OF OPERATING A BI-DIRECTIONAL DOUBLE-BASE BIPOLAR JUNCTION TRANSISTOR (B-TRAN)
20230066664 · 2023-03-02 · ·

Operating a bi-directional double-base bipolar junction transistor (B-TRAN). One example is a method comprising: conducting a first load current from an upper terminal of the power module to an upper-main lead of the transistor, through the transistor, and from a lower-main lead of the transistor to a lower terminal of the power module; and then responsive assertion of a first interrupt signal, interrupting the first load current from the lower-main lead to the lower terminal by opening a lower-main FET and commutating a first shutoff current through a lower-control lead the transistor to the lower terminal; and blocking current from the upper terminal to the lower terminal by the transistor.

DIFFERENTIAL TRANSMISSION CIRCUIT

A differential transmission circuit for a communication device performs bidirectional communication via a differential transmission line. The differential transmission circuit include: output transistors that are turned on and off according to a drive signal during a transmission period; a signal generation unit that generates and outputs the drive signal; short-circuit transistors connected between gates and drains of the output transistors; and a cut off unit that cuts off a supply path of the drive signal between the signal generation unit and the gates of the output transistors. The cut off unit cuts off the supply path of the drive signal during a reception period in which a reception operation is performed by the communication device.