Patent application number | Description | Published |
20120181624 | Stacked Half-Bridge Package with a Common Conductive Clip - According to an exemplary embodiment, a stacked half-bridge package includes a control transistor having a control drain for connection to a high voltage input, a control source coupled to a common conductive clip, and a control gate for being driven by a driver IC. The stacked half-bridge package also includes a sync transistor having a sync drain for connection to the common conductive clip, a sync source coupled to a low voltage input, and a sync gate for being driven by the driver IC. The control and sync transistors are stacked on opposite sides of the common conductive clip with the common conductive clip electrically and mechanically coupling the control source with the sync drain, where the common conductive clip has a conductive leg for providing electrical and mechanical connection to an output terminal leadframe. | 07-19-2012 |
20120181681 | Stacked Half-Bridge Package with a Current Carrying Layer - According to an exemplary embodiment, a stacked half-bridge package includes a control transistor having a control drain for connection to a high voltage input, a control source coupled to an output terminal, and a control gate for being driven by a driver IC. The stacked half-bridge package also includes a sync transistor having a sync drain for connection to the output terminal, a sync source coupled to a low voltage input, and a sync gate for being driven by the driver IC. A current carrying layer is situated on the sync drain; the control transistor and the sync transistor being stacked on one another, where the current carrying layer provides a high current connection between the sync drain and the control source. | 07-19-2012 |
20130228794 | Stacked Half-Bridge Package with a Common Leadframe - According to an exemplary embodiment, a stacked half-bridge package includes a control transistor having a control drain for connection to a high voltage input, a control source coupled to an output terminal, and a control gate for being driven by a driver IC. The stacked half-bridge package further includes a sync transistor having a sync drain for connection to the output terminal, a sync source coupled to a low voltage input, and a sync gate for being driven by the driver IC. The control and sync transistors are stacked on opposite sides of a common conductive leadframe with the common conductive leadframe electrically and mechanically coupling the control source with the sync drain. The common conductive leadframe thereby serves as the output terminal. | 09-05-2013 |
20140110776 | Semiconductor Package Including Conductive Carrier Coupled Power Switches - In one implementation, a semiconductor package including conductive carrier coupled power switches includes a first vertical FET in a first active die having a first source and a first gate on a source side of the first active die and a first drain on a drain side of the first active die. The semiconductor package also includes a second vertical FET in a second active die having a second source and a second gate on a source side of the second active die and a second drain on a drain side of the second active die. The semiconductor package includes a conductive carrier attached to the source side of the first active die and to the drain side of the second active die, the conductive carrier coupling the first source to the second drain. | 04-24-2014 |
20140110796 | Semiconductor Package with Conductive Carrier Integrated Heat Spreader - In one implementation, a semiconductor package includes a control conductive carrier having a die side and an opposite input/output (I/O) side connecting the semiconductor package to a mounting surface. The semiconductor package also includes a control FET of a power converter switching stage having a control drain attached to the die side of the control conductive carrier. The control conductive carrier is configured to sink heat produced by the control FET into the mounting surface. The semiconductor package includes a sync conductive carrier having another die side and another opposite I/O side connecting the semiconductor package to the mounting surface, and a sync FET of the power converter switching stage having a sync source attached to the die side of the sync conductive carrier. | 04-24-2014 |
20140110863 | Power Converter Package Including Vertically Stacked Driver IC - In one implementation, a semiconductor package includes a control conductive carrier having a die side and an opposite input/output (I/O) side connecting the semiconductor package to a mounting surface. The semiconductor package also includes a control FET of a power converter switching stage attached to the die side of the control conductive carrier, and a driver integrated circuit (IC) for driving the control FET. The driver IC is situated above the control FET and is electrically coupled to the control FET by at least one conductive buildup layer formed over the control conductive carrier. | 04-24-2014 |
20140191337 | Stacked Half-Bridge Package - According to an exemplary embodiment, a stacked half-bridge package includes a control transistor having a control drain for connection to a high voltage input, a control source coupled to an output terminal, and a control gate for being driven by a driver IC. The stacked half-bridge package also includes a sync transistor having a sync drain for connection to the output terminal, a sync source coupled to a low voltage input, and a sync gate for being driven by the driver IC. A current carrying layer is situated on the sync drain; the control transistor and the sync transistor being stacked on one another, where the current carrying layer provides a high current connection between the sync drain and the control source. | 07-10-2014 |
20140203419 | Half-Bridge Package with a Conductive Clip - According to an exemplary embodiment, a stacked half-bridge package includes a control transistor having a control drain for connection to a high voltage input, a control source coupled to a common conductive clip, and a control gate for being driven by a driver IC. The stacked half-bridge package also includes a sync transistor having a sync drain for connection to the common conductive clip, a sync source coupled to a low voltage input, and a sync gate for being driven by the driver IC. The control and sync transistors are stacked on opposite sides of the common conductive clip with the common conductive clip electrically and mechanically coupling the control source with the sync drain, where the common conductive clip has a conductive leg for providing electrical and mechanical connection to an output terminal leadframe. | 07-24-2014 |