An induction charging device for an electrically operated vehicle may include a sub-surface protection, a shield element, and an induction charging module. The shield element may include a recess. The sub-surface protection may include a receiving area. The recess and the receiving area may define an insertion area in which the induction charging module is arranged.

The present disclosure relates to an electrostatic shield for providing electrostatic shielding for a current sensing coil. Current sensing coils are configured to enable the measurement of a current carried by an electrical conductor passing through a core of the current sensing coil. The electrostatic shield of the present disclosure is configured to provide electrostatic shielding to a core of the current sensing coil in order to reduce or eliminate electrostatic coupling between the electrical conductor and the current sensing coil, thereby improving the accuracy of current measurement that may be achieved by the current sensing coil.

Embodiments describe a wireless charging transmitter coil includes: a support structure having an outer perimeter surrounding a contact housing and having first and second channels extending from the outer perimeter to the contact housing; first and second contacts positioned within the contact housing; and a wire wound around the outer perimeter of the support structure, the wire having a first end that extends through the first channel and a second end that extends through the second channel.

The present disclosure provides a wireless power transmitting module and an installation method thereof, wherein the wireless power transmitting module comprises: an insulating bracket, a first side of which has a first central space; a coil, disposed around the first central space; and a circuit component, at least a part of which is located in the first central space, electrically connected to the coil. The present disclosure makes full use of the central blank space of the coil, and places the circuit component at the center of the coil, thereby realizing a miniaturized structure, improving space utilization and greatly reducing volume.

For isolation barrier with magnetics, an apparatus includes an isolation laminate including a dielectric core having a first surface and a second surface opposed to the first surface; at least one conductive layer configured as a first transformer coil overlying the first surface; a first dielectric layer surrounding the at least one conductive layer; a first magnetic layer overlying the at least one conductive layer; at least one additional conductive layer configured as a second transformer coil overlying the second surface; a second dielectric layer surrounding the at least one additional conductive layer; and a second magnetic layer overlying the at least one additional conductive layer. Methods for forming the isolation barriers and additional apparatus arrangements are also described.

Electronic devices according to embodiments of the present technology may include a battery. The devices may include a nanocrystalline foil. The devices may include a wireless charging coil seated on the nanocrystalline foil. The devices may also include an integrated circuit configured to operate the wireless charging coil in a wireless charging transmission mode.

Isolators having a back-to-back configuration for providing electrical isolation between two circuits are described, in which multiple isolators formed on a single, monolithic substrate are connected in series to achieve a higher amount of electrical isolation for a single substrate than for isolators formed on separate substrates connected in series. Discrete dielectric regions positioned between isolator components forming an isolator provide electrical isolation between the isolator components as well as between the isolators formed on the substrate. The back-to-back isolator may provide one or more communication channels for transfer of information and/or power between different circuits.

A transformer comprising a primary winding and a secondary winding. The primary winding has N.sub.2 number turns and having a first terminal and a second terminal. The secondary winding has having N.sub.1 fractional portions, which together form a full turn, are in close proximity to the primary winding to establish coupling between the primary winding and the N.sub.1 fractional coil portions, the transformer turn ratio from the primary winding to the secondary winding is N.sub.2:(N.sub.3/N.sub.1) where N.sub.2 is an integer equal to or greater than 1, N.sub.1 is an integer greater than or equal to 2, and N.sub.3 is an integer greater than or equal to 1. Also disclosed is a stacked integrated transformer having a primary winding and secondary winding of which one or both have a waterfall structure and a portion of which functions as a ground connected shield between the secondary winding and the primary winding.

A transformer comprising a primary winding and a secondary winding. The primary winding has N.sub.2 number turns and having a first terminal and a second terminal. The secondary winding has having N.sub.1 fractional portions, which together form a full turn, are in close proximity to the primary winding to establish coupling between the primary winding and the N.sub.1 fractional coil portions, the transformer turn ratio from the primary winding to the secondary winding is N.sub.2:(N.sub.3/N.sub.1) where N.sub.2 is an integer equal to or greater than 1, N.sub.1 is an integer greater than or equal to 2, and N.sub.3 is an integer greater than or equal to 1. Also disclosed is a stacked integrated transformer having a primary winding and secondary winding of which one or both have a waterfall structure and a portion of which functions as a ground connected shield between the secondary winding and the primary winding.

According to one embodiment, there is provided a magnetic coupler including a first coil, a second coil and a first electric shield. The second coil faces the first coil. The first electric shield is disposed between the first coil and the second coil and electrically connected to a reference node of a circuit on the first coil side or the second coil side.