Patent classifications
H01L2224/4811
LEVEL SHIFTING IN A GAN HALF BRIDGE CIRCUIT
A half bridge GaN circuit is disclosed. The half bridge GaN circuit includes a first power node having a first power voltage, where the first power voltage is referenced to a switch voltage at the switch node. The half bridge GaN circuit also includes a VMID power node having a VMID power voltage, where the VMID power voltage is referenced to the first power voltage and is less than the first power voltage by a DC voltage. The half bridge GaN circuit also includes a logic circuit, where a negative power terminal of the logic circuit is connected to the VMID node, and where a positive power terminal of the first logic circuit is connected to the first power node, where the logic circuit is configured to generate a logic output voltage, which controls the conductivity of the high side power switch.
Semiconductor device with first and second transistors and support part
According to a first aspect of the present disclosure, a semiconductor device is provided. The semiconductor device includes a first transistor, a second transistor, at least one source terminal, at least one gate terminal, at least one drain terminal, a source wire, a gate wire, a drain wire and a support part. The support part includes two first support-part edges and two second support-part edges. Each of the two first support-part edges is parallel to a first direction, and the two first support-part edges are spaced apart from each other in a second direction that is perpendicular to the first direction. Each of the two second support-part edges is physically connected to the two first support-part edges. The source wire, the gate wire and the drain wire cross at least one of the two second support-part edges in plan view.
Magnetic coupling package structure for magnetically coupled isolator with duo leadframes and method for manufacturing the same
The instant disclosure includes a magnetic coupling package structure with duo leadframes for a magnetically coupled isolator and a method for manufacturing the same. The method includes a leadframe providing step, a chip connecting step and a coil alignment step. The leadframe providing step includes providing a first and a second leadframe each including a chip carrying portion, a coil portion, a plurality of pins and floating pins. The chip connecting step includes disposing at least a first chip and at least a second chip onto the corresponding chip carrying portions for electrically connecting the chips to the pins. The coil alignment step includes arranging the first leadframe above or beneath the second leadframe and applying a first and a second magnetic field to the first and the second leadframes respectively for aligning the coil portions, thereby controlling the coupling effect between two coil portions.
SEMICONDUCTOR DEVICE AND METHOD FORMANUFACTURING THE SAME
A semiconductor device includes a semiconductor element, a plurality of leads electrically connected to the semiconductor element and one of which supports the semiconductor element, a sealing resin covering the semiconductor element and a portion of each leads, and first and second plating layers exposed from the sealing resin. The sealing resin includes a resin side surface facing in a first direction perpendicular to the thickness direction. At least one of the leads has a lead end surface connected to its back surface and flush with the resin side surface. The first plating layer covers the back surface of the lead. The second plating layer covers the lead end surface and projects in the first direction relative to the resin side surface. An edge of the second plating layer overlaps with the first plating layer as viewed in the first direction.
RF amplifier output circuit device with integrated current path, and methods of manufacture thereof
A device includes multiple ceramic capacitors and a current path structure. A first ceramic capacitor includes a first ceramic material between first and second electrodes. A second ceramic capacitor includes a second ceramic material between third and fourth electrodes. The second ceramic material has a higher Q than the first ceramic material. The current path structure includes a lateral conductor located between the first and second ceramic materials, and first and second vertical conductors that extend from first and second ends of the lateral conductor to a device surface. The device may be coupled to a substrate of a packaged RF amplifier device, which also includes a transistor. For example, the device may form a portion of an output impedance matching circuit coupled between a current carrying terminal of the transistor and an output lead of the RF amplifier device.
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
A semiconductor device is provided to reduce thermal fatigue in a junction portion of an external wiring to enhance long-term reliability, where the semiconductor device includes a semiconductor substrate, a transistor portion and a diode portion that are alternately arranged along a first direction parallel to a front surface of the semiconductor substrate inside the semiconductor substrate, a surface electrode that is provided above the transistor portion and the diode portion and that is electrically connected to the transistor portion and the diode portion, an external wiring that is joined to the surface electrode and that has a contact width with the surface electrode in the first direction, the contact width being larger than at least one of a width of the transistor portion in the first direction and a width of the diode portion in the first direction.
INTEGRATED CIRCUIT COMPRISING A CHIP FORMED BY A HIGH-VOLTAGE TRANSISTOR AND COMPRISING A CHIP FORMED BY A LOW-VOLTAGE TRANSISTOR
An integrated circuit comprises a housing, a plurality of connection pins, a first chip that includes a high-voltage depletion mode transistor, and a second chip that includes a low-voltage enhancement mode transistor. The first chip and second chip each comprise a gate bump contact, a drain bump contact and a source bump contact. The source bump contact of the high-voltage transistor is electrically connected to the drain bump contact of the low-voltage transistor so as to form a central node of the circuit. The circuit includes at least one first Kelvin pin that is electrically connected to the source bump contact of the low-voltage transistor.
Leadless power amplifier packages including topside termination interposer arrangements and methods for the fabrication thereof
Leadless power amplifier (PA) packages having topside termination interposer (TTI) arrangements, and associated fabrication methods, are disclosed. Embodiments of the leadless PA package include a base flange, a first set of interposer mount pads, a first RF power die, a package body. The first RF power die is attached to a die mount surface of the base flange and electrically interconnected with the first set of interposer mount pads. The TTI arrangement is electrically coupled to the first set of interposer mount pads and projects therefrom in the package height direction. The package body encloses the first RF power die and having a package topside surface opposite the lower flange surface. Topside input/output terminals of the PA package are accessible from the package topside surface and are electrically interconnected with the first RF power die through the TTI arrangement and the first set of interposer mount pads.
ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF
A substrate includes a first metal layer, a second metal layer, a third metal layer and an insulation layer surrounding the first metal layer, the second metal layer and the third metal layer. The first power component is electrically connected to the first metal layer. The second power component is electrically connected to the second metal layer. The shortest distance between the first metal layer exposed to a second surface of the insulation layer and the second metal layer exposed to the second surface is a first distance, the shortest distance between a first metal layer of the insulation layer exposed to the first surface and the second metal layer exposed to the first surface is a second distance, and a ratio value of the first distance to the second distance ranges between 1.25 and 1.4.
Semiconductor device and semiconductor module provided with same
It is an object of the present invention to provide a semiconductor device which allows an increase in the number of semiconductor elements mounted in parallel and prevents a shape of an insulating substrate onto which the semiconductor elements are mounted, from being laterally long, and provide a semiconductor module including such semiconductor device. A semiconductor device according to the present invention includes an insulating substrate, a metal pattern which is a continuous piece and is bonded to one main surface of the insulating substrate, and a plurality of switching elements which are bonded to a surface opposite to the insulating substrate on the metal pattern, and the plurality of switching elements are arranged in a matrix of two or more rows and two or more columns on the metal pattern.