H05K9/0067

High voltage high frequency power converter

A power converter includes an outer housing formed of dielectric material and including a low voltage compartment and a high voltage compartment is disclosed. The power converter also includes a low voltage DC-to-AC converter disposed in the low voltage compartment, a first coil in the low voltage compartment, a first conductive shield element lining an outer wall of the low voltage compartment, the first conductive shield element being electrically coupled to an electrical input of the DC-to-AC converter and a second conductive shield element lining an outer wall of the high voltage compartment.

Segmented lightning diverter element having integrated ESD protection

A lightning diverter element having integrated ESD protection, including a support and metallic segments disposed on the support is disclosed, wherein the support has a resistance per unit length in a range from 100 k/m to 100 M/m. Furthermore, a high-frequency device is disclosed, wherein such a lightning diverter element is disposed on a surface of a component of the high-frequency device. Finally, a vehicle including such a lightning diverter element and/or such a high-frequency device is disclosed.

System level ESD detection device and restart system using the same
10673227 · 2020-06-02 · ·

A system level electrostatic discharge (ESD) detection device includes a phase detection unit including at least one phase detector suitable for detecting a phase difference between a plurality of supply voltages or between a plurality of input signals; a storage unit suitable for shifting between a first and a second state, the second state indicating a phase difference detected by the phase detection unit; and an output unit suitable for outputting a system level electrostatic discharge (ESD) detection signal according to the first or second state of the storage unit.

Ceramic Overvoltage Protection Device Having Low Capacitance and Improved Durability

Provided is an improved overvoltage protection element. The overvoltage protection device comprises at least one ESD protection couple comprising discharge electrodes in a plane, a gap insulator between the discharge electrodes, an overvoltage protection element parallel to the planar discharge electrodes wherein the overvoltage protection element comprises a conductor and an secondary material. The overvoltage protection element also comprises a primary insulator layer between the discharge electrodes and overvoltage protection element.

Electronic control device
11877412 · 2024-01-16 · ·

Provided is an electronic control device capable of suppressing failure of an electronic component due to static electricity. The electronic control device 100 includes a substrate 10, an electronic component 1 mounted on the substrate 10, an insulating case 20 that holds the substrate 10, a conductive cover 30 that covers the insulating case 20, a conductive base 40 that holds the insulating case 20, and a conductive fixture 21 that fixes the insulating case 20 to the conductive base 40. A distance L1 between the conductive cover 30 and the conductive fixture 21 is equal to or less than a distance L2 between the conductive cover 30 and a conductive terminal 1a of the electronic component 1.

GROUND STRUCTURE-EQUIPPED LAMINATED GLASS FOR VEHICLES
20240023302 · 2024-01-18 · ·

To provide a ground structure-equipped laminated glass for vehicles, with a countermeasure against static electricity on an electrically driven functional layer.

The ground structure-equipped laminated glass for vehicles of the present invention, which achieves the above object, comprises a first glass plate, an interlayer and a second glass plate laminated in this order, wherein the interlayer has an electrically driven functional layer, a power supply member electrically connected to the functional layer, a first circuit having the power supply member and the functional layer connected in series, and a second circuit having the power supply member, a flexible ESD shield and a ground member connected in series; the second circuit has a dielectric at least at one point in the second circuit; and the ground member is grounded.

EMI PROTECTIVE SLEEVE AND METHOD OF CONSTRUCTION THEREOF

A wrappable textile sleeve for protecting a conductive elongate member against at least one of EMI, RFI or ESD and method of construction thereof is provided. The sleeve includes a plurality of warp filaments and at least one weft filament woven with one another to form a woven substrate. The woven substrate has opposite sides extending lengthwise between opposite ends. The opposite sides are wrappable about a central longitudinal axis into overlapping relation with one another to circumferentially enclose the elongate member within a cavity of the sleeve. At least some of the warp filaments are provided as generally flat, thin conductive filaments shield the conductive elongate member against the effects of EMI, RFI and/or ESD.

Transceiver utilizing isolated signaling and concealed isolated power to attain high common mode working voltage and tolerance
10651894 · 2020-05-12 · ·

A transceiver capable of common mode operating range and output voltage tolerance set by an isolation boundary and not limited by the device type used in the circuitry. The subject technology is a powered isolated transceiver, where the isolated generated supply and ground nodes are concealed and thus do not participate in tests that stress electrostatic discharge (ESD)/electrical overstress (EOS) or voltage tolerance. The architecture of the subject technology has the advantage of extremely high common mode performance and robust performance using low voltage devices and simplified architecture, which in turn provides less capacitive loading, faster operation, less expensive die development, electromagnetic interference (EMI) advantages, and simple active termination. The subject technology includes an isolation architecture that can be used in environments where isolation is used but is also advantageous in systems without the need for isolation.

In-vehicle electronic device

A fourth layer outer frame protection pattern of a multilayer circuit board housed in a conductive base and a nonconductive cover is in contact with an inner surface of the base via a selection layer, and is connected to a second layer planar ground pattern via a coupling capacitor, outer peripheral portions of respective layer patterns including a first and third layer annular ground patterns are overlapped with each other, and the planar ground pattern is wire connected to a reference ground point of a vehicle body. When the base is conductively attached to the vehicle body, a selection layer is a solder resist film, and when it is non-conductively attached, the selection layer is a solder film, so that the planar ground pattern does not conduct with the base at the time of short circuit abnormality of the coupling capacitor.

Apparatuses for implementing cold-sparable SerDes

A system for limiting or diminishing current to unpowered Serializer/Deserializer (SerDes) circuitry is provided. The system comprises receiver input termination circuitry and a cold spare circuitry. The receiver input circuitry comprises a termination resistor and an N-type metal oxide silicon field effect transistor (MOSFET). The cold spare circuitry comprises a first MOSFET and a second MOSFET. When the system is powered on, an input current flows to the receiver input termination circuit to be discharged by the N-type MOSFET which is electrically connected to a ground. When the system is powered off, the input current flows to the cold spare circuitry to discharge the input current. Discharging electrons between the first MOSFET and the second MOSFET depends on the polarity of an accumulated voltage.