H03K17/00

Reconfigurable ladder switched-capacitor converter

A switched-capacitor converter has a first and second terminal; a switched-capacitor ladder network having a plurality of serially connected first capacitors defining a plurality of flying capacitor nodes; a plurality of serially connected second capacitors defining a plurality of output capacitor nodes, wherein nodes of the flying capacitor nodes can be connected to nodes of the output capacitor nodes in a plurality of ladder converter configurations to perform a switched-capacitor ladder power conversion; and a switch matrix to connect the first terminal to different flying capacitor nodes and/or to connect any flying capacitor node to any other flying capacitor node or output capacitor node according to different switch configurations. Also, a switched-capacitor converter assembly may have a plurality of serially and/or parallel connected switched-capacitor reconfigurable switched-capacitor ladder converters. Methods for converting an input into an output voltage using a converter and for operating an assembly of converters are also provided.

Analog comparator circuit for communication interfaces within a vehicle

A vehicle analog comparator circuit for communication interfaces designed to detect an actuation of an actor. The circuit comprises a unit for producing a supply voltage for supplying the actor, a unit for producing a reference voltage to be compared with the supply voltage, a transistor input stage, a node point EDMx between the actor, the unit for producing a supply voltage and the transistor input stage, and a digital evaluation unit to process the output signal from the transistor input stage such that whether or not the actor is actuated is detected. The transistor input stage comprises a transistor circuit with a first transistor is connected to the node point EDMx, and a second transistor connected to the reference voltage. A collector resistance for limiting the collector current of the second transistor, as well as a base resistance for the two transistors. Alternatively, a current mirror is provided.

Switching apparatus and switching method
11581890 · 2023-02-14 · ·

Provided is a switching apparatus, including: a first semiconductor switching device of IGBT, and a second semiconductor switching device of a different type from IGBT, which are electrically connected in parallel; and a control unit configured to turn on the second semiconductor switching device before the first semiconductor switching device, wherein a maximum rated current of the second semiconductor switching device is greater than a maximum rated current of the first semiconductor switching device.

Power switching circuit and corresponding method of operation
11595039 · 2023-02-28 · ·

A circuit includes a high-side switch and a low-side switch. A first inverter includes first and second discharge current paths activatable to sink first and second discharge currents, respectively, from the control terminal of the high-side switch. A second inverter includes first and second charge current paths activatable to source first and second charge currents to the control terminal of the low-side switch. A high-side sensing current path includes an intermediate high-side control node, and a low-side sensing current path includes an intermediate low-side control node. The second discharge current path is selectively enablable in response to a high-side detection signal at the intermediate high-side control node having a high logic value, and the second charge current path is selectively enablable in response to a low-side detection signal at the intermediate low-side control node having a low logic value.

ISOLATED GATE DRIVER DEVICE FOR A POWER ELECTRICAL SYSTEM AND CORRESPONDING POWER ELECTRICAL SYSTEM

In an embodiment an isolated gate driver device includes a low-voltage section having a control input configured to receive a PWM control signal with a switching frequency from a control stage, a high-voltage section, galvanically isolated from the low-voltage section the high-voltage section including a driving output configured to provide a gate-driving signal as a function of the PWM control signal to a power stage having at least one switch, a feedback input configured to receive at least one feedback signal indicative of an operation of the power stag, and an ADC module configured to convert the feedback signal into a digital data stream and a conversion-control module coupled to the ADC module and configured to provide a conversion-trigger signal designed to determine a start of a conversion for acquiring a new sample of the feedback signal.

FREQUENCY-HALVING LATCH BUFFER CIRCUIT FOR DETERMINISTIC FIELD BUS NETWORK DATA FORWARDING AND APPLICATION THEREOF
20230238962 · 2023-07-27 ·

The present invention provides a frequency-halving latch circuit for deterministic field bus network data forwarding and application thereof. The frequency-halving latch circuit includes a data buffer equipped with two buffer units; a frequency-halving enable latch signal generation module for generating a first frequency-halving latch signal and a second frequency-halving latch signal with opposite levels, and selecting data buffer units of the data buffer based on the first frequency-halving latch signal, the second frequency-halving latch signal and a receiving enable signal; and a shift register including a first trigger and a second trigger which are initialized to opposite output states, the first trigger and the second trigger is connected to realize a shift operation, and data stored in the data buffer units is finally selected and read based on a low order in the shift register composed of the two triggers and a read enable signal. The frequency-halving latch circuit can be applied to a scenario of deterministic field bus network data forwarding as a same-frequency out-of-phase data cross-clock domain circuit, with high resource utilization rate and stability.

Electric Power Distribution for Fracturing Operation

Providing electric power distribution for fracturing operations comprising receiving, at a transport, electric power from a mobile source of electricity at a first voltage level and supplying, from the transport, the electric power to a fracturing pump transport at the first voltage level using only a first, single cable connection. The first voltage level falls within a range of 1,000 V to 35 kilovolts. The transport also supplies electric power to a second transport at the first voltage level using only a second, single cable connection.

Electric Power Distribution for Fracturing Operation

Providing electric power distribution for fracturing operations comprising receiving, at a transport, electric power from a mobile source of electricity at a first voltage level and supplying, from the transport, the electric power to a fracturing pump transport at the first voltage level using only a first, single cable connection. The first voltage level falls within a range of 1,000 V to 35 kilovolts. The transport also supplies electric power to a second transport at the first voltage level using only a second, single cable connection.

Electromagnetic drive unit with hingeably movable coil around magnet with resilient band holding coil to magnet
11705788 · 2023-07-18 ·

The present disclosure envisages an electromagnetic drive unit. The drive unit comprises a magnet having a north pole surface, a south pole surface, an operative top surface and an operative bottom surface. A coil having a pair of terminals is assembled on the magnet and hingeably coupled to the magnet, wherein a hingeable movement of the coil with respect to the magnet provides a reciprocating mechanical drive to the magnet. The hingeable movement of the coil is facilitated by providing an alternating supply to the pair of terminals of the coil. A hinge is provided on a base supporting the magnet for facilitating the pivotal movement of coil with respect to the magnet. A resilient band is provided adjacent the operative top surface of the magnet for securing the coil to the magnet.

Electromagnetic drive unit with hingeably movable coil around magnet with resilient band holding coil to magnet
11705788 · 2023-07-18 ·

The present disclosure envisages an electromagnetic drive unit. The drive unit comprises a magnet having a north pole surface, a south pole surface, an operative top surface and an operative bottom surface. A coil having a pair of terminals is assembled on the magnet and hingeably coupled to the magnet, wherein a hingeable movement of the coil with respect to the magnet provides a reciprocating mechanical drive to the magnet. The hingeable movement of the coil is facilitated by providing an alternating supply to the pair of terminals of the coil. A hinge is provided on a base supporting the magnet for facilitating the pivotal movement of coil with respect to the magnet. A resilient band is provided adjacent the operative top surface of the magnet for securing the coil to the magnet.