Abstract:
A dual power converter package is disclosed. The package includes a leadframe having a first control FET paddle configured to support a drain of a first control FET, and a second control FET paddle configured to support a drain of a second control FET. The leadframe further includes a sync FET paddle configured to support a source of a first sync FET and a source of a second sync FET, and a first plurality of contacts configured to receive control signals for each of the control FETs and each of the sync FETs from a driver integrated circuit (IC) external to the leadframe. The leadframe may additionally include first and second switched nodes, configured for electrical connection to the first control FET and the first sync FET via a first clip, and to the second control FET and the second sync FET via a second clip, respectively.
Abstract:
A semiconductor package includes a semiconductor die having a control transistor and a sync transistor, an integrated output inductor having a winding around a core, and coupled to the semiconductor die, where the winding includes a plurality of top conductive clips connected to a plurality of bottom conductive clips. The control transistor and the sync transistor are configured as a half-bridge. The integrated output inductor is coupled to a switched node of the half-bridge. At least one of the plurality of top conductive clips and the plurality of bottom conductive clips includes a partially etched portion and a non-etched portion. The semiconductor die is attached to the integrated output inductor by a die attach material. The semiconductor die and the integrated output inductor are encapsulated in a molding compound.
Abstract:
In one implementation, a semiconductor package includes a first patterned conductive carrier including partially etched segments. The semiconductor package also includes a control FET having a control drain attached to a first partially etched segment of the first patterned conductive carrier. In addition, the semiconductor package includes a sync FET having a sync source and a sync gate attached to respective second and third partially etched segments of the first patterned conductive carrier. The semiconductor package further includes a second patterned conductive carrier having a switch node segment situated over a control source of the control FET and over a sync drain of the sync FET, as well as an inductor coupled between the switch node segment and an output segment of the second patterned conductive carrier.
Abstract:
A semiconductor package includes a semiconductor die having a control transistor and a sync transistor, an integrated output inductor having a winding around a core, and coupled to the semiconductor die, where the winding includes a plurality of top conductive clips connected to a plurality of bottom conductive clips. The control transistor and the sync transistor are configured as a half-bridge. The integrated output inductor is coupled to a switched node of the half-bridge. At least one of the plurality of top conductive clips and the plurality of bottom conductive clips includes a partially etched portion and a non-etched portion. The semiconductor die is attached to the integrated output inductor by a die attach material. The semiconductor die and the integrated output inductor are encapsulated in a molding compound.
Abstract:
In one implementation, a semiconductor package includes a first patterned conductive carrier including partially etched segments. The semiconductor package also includes a control FET having a control drain attached to a first partially etched segment of the first patterned conductive carrier. In addition, the semiconductor package includes a sync FET having a sync source and a sync gate attached to respective second and third partially etched segments of the first patterned conductive carrier. The semiconductor package further includes a second patterned conductive carrier having a switch node segment situated over a control source of the control FET and over a sync drain of the sync FET, as well as an inductor coupled between the switch node segment and an output segment of the second patterned conductive carrier.
Abstract:
An integrated dual power converter package is disclosed. The package includes a leadframe having a first control FET paddle configured to support a drain of a first control FET, and a second control FET paddle configured to support a drain of a second control FET. The leadframe further includes a sync FET paddle configured to support a source of a first sync FET and a source of a second sync FET, and a driver integrated circuit (IC) paddle configured to support a driver IC for controlling each of the control FETs and each of the sync FETs. The leadframe may additionally include first and second switched nodes, configured for electrical connection to the first control FET and the first sync FET via a first clip, and to the second control FET and the second sync FET via a second clip, respectively.
Abstract:
A dual power converter package is disclosed. The package includes a leadframe having a first control FET paddle configured to support a drain of a first control FET, and a second control FET paddle configured to support a drain of a second control FET. The leadframe further includes a sync FET paddle configured to support a source of a first sync FET and a source of a second sync FET, and a first plurality of contacts configured to receive control signals for each of the control FETs and each of the sync FETs from a driver integrated circuit (IC) external to the leadframe. The leadframe may additionally include first and second switched nodes, configured for electrical connection to the first control FET and the first sync FET via a first clip, and to the second control FET and the second sync FET via a second clip, respectively.
Abstract:
A dual power converter package is disclosed. The package includes a leadframe having a first control FET paddle configured to support a drain of a first control FET, and a second control FET paddle configured to support a drain of a second control FET. The leadframe further includes a sync FET paddle configured to support a source of a first sync FET and a source of a second sync FET, and a first plurality of contacts configured to receive control signals for each of the control FETs and each of the sync FETs from a driver integrated circuit (IC) external to the leadframe. The leadframe may additionally include first and second switched nodes, configured for electrical connection to the first control FET and the first sync FET via a first clip, and to the second control FET and the second sync FET via a second clip, respectively.
Abstract:
In one implementation, a semiconductor package includes a first patterned conductive carrier including partially etched segments. The semiconductor package also includes a control FET having a control drain attached to a first partially etched segment of the first patterned conductive carrier. In addition, the semiconductor package includes a sync FET having a sync source and a sync gate attached to respective second and third partially etched segments of the first patterned conductive carrier. The semiconductor package further includes a second patterned conductive carrier having a switch node segment situated over a control source of the control FET and over a sync drain of the sync FET, as well as an inductor coupled between the switch node segment and an output segment of the second patterned conductive carrier.
Abstract:
In one implementation, a semiconductor package includes a patterned conductive carrier including partially etched segments. The semiconductor package also includes a control FET having a control drain attached to a first partially etched segment of the patterned conductive carrier. In addition, the semiconductor package includes a sync FET having a sync source and a sync gate attached to respective second and third partially etched segments of the patterned conductive carrier. The semiconductor package further includes a heat spreading conductive plate situated over a control source of the control FET and over a sync drain of the sync FET so as to couple the control source and the sync drain to a switch node segment of the patterned conductive carrier.