A current sensor device may include a routable molded lead frame that includes a molded substrate. The current sensor device may include a conductor and a semiconductor chip mounted to the molded substrate. The semiconductor chip may include a magnetic field sensor that is galvanically isolated from the conductor by the molded substrate and is configured to sense a magnetic field created by current flowing through the conductor. The current sensor device may include one or more leads configured to output a signal generated by the semiconductor chip. The one or more leads may be galvanically isolated from the conductor by the molded substrate.

A transistor device is disclosed. The transistor device includes: a semiconductor body; a source conductor on top of the semiconductor body; a source clip on top of the source conductor and electrically connected to the source conductor; a first active device region arranged in the semiconductor body, covered by the source conductor and the source clip, and including at least one device cell; and a second active device region arranged in the semiconductor body, covered by regions of the source conductor that are not covered by the source clip, and including at least one device cell. The first active device region has a first area specific on-resistance and the second active device region has a second area specific on-resistance, the second area specific on-resistance being greater than the first area specific on-resistance.

A semiconductor module includes at least two semiconductor elements connected in parallel; a control circuit board placed between the at least two semiconductor elements; a control terminal for external connection; a first wiring member that connects the control terminal and the control circuit board; and a second wiring member that connects a control electrode of one of the at least two semiconductor elements and the control circuit board, wherein the second wiring member is wire-bonded from the control electrode towards the control circuit board, and has a first end on the control electrode and a second end on the control circuit board, the first end having a cut end face facing upward normal to a surface of the control electrode and the second end having a cut end face facing sideways parallel to a surface of the control circuit board.

A method comprises removing a portion of molding compound from a side of a package structure by a laser ablation process to create an opening that exposes a portion of a conductive clip, depositing solder paste on the exposed portion of the conductive clip, and reflowing the solder paste. The laser ablation process in one example is a pulsed laser ablation process that includes raster scanning a laser along a portion of the side of the package structure to create the opening. Depositing the solder paste in one example includes performing a dispense process or a screening process that deposits solder paste in the opening onto the exposed portion of the conductive clip.

An object of the present disclosure is to suppress variation in currents flowing through semiconductor elements and thereby to achieve size reduction of the semiconductor elements. The semiconductor power module includes electrode terminals for connecting a first electrode to a first external electric component, a second electrode joined to upper surfaces of a plurality of semiconductor elements, and a second electrode extension portion for connecting the second electrode to a second external electric component. The sum of a current path length from the electrode terminal to the semiconductor element in the first electrode and a current path length from the semiconductor element to a second electrode terminal portion in the second electrode, is set to be the same among the plurality of semiconductor elements.

In one general aspect, an apparatus can include a leadframe including a plurality of leads configured to provide electrical connections for the apparatus. The apparatus can also include a semiconductor die disposed on the leadframe and a conductive clip electrically coupling the semiconductor die with the leadframe. The apparatus can further include a heat slug disposed on the conductive clip. The heat slug can include a thermally conductive and electrically insulative material.

A semiconductor device includes a first chip pad, a power semiconductor chip arranged on the first chip pad and including at least a first and a second power electrode, and a clip connected to the first power electrode. In this case, an integral part of the clip forms a shunt resistor and a first contact finger of the shunt resistor is embodied integrally with the clip.

In one general aspect, an apparatus can include a leadframe including a plurality of leads configured to provide electrical connections for the apparatus. The apparatus can also include a semiconductor die disposed on the leadframe and a conductive clip electrically coupling the semiconductor die with the leadframe. The apparatus can further include a heat slug disposed on the conductive clip. The heat slug can include a thermally conductive and electrically insulative material.

A current sensor device may include a routable molded lead frame that includes a molded substrate. The current sensor device may include a conductor and a semiconductor chip mounted to the molded substrate. The semiconductor chip may include a magnetic field sensor that is galvanically isolated from the conductor by the molded substrate and is configured to sense a magnetic field created by current flowing through the conductor. The current sensor device may include one or more leads configured to output a signal generated by the semiconductor chip. The one or more leads may be galvanically isolated from the conductor by the molded substrate.

In one embodiment, a method can include coupling a gate and a source of a first die to a lead frame. The first die can include the gate and the source that are located on a first surface of the first die and a drain that is located on a second surface of the first die that is opposite the first surface. In addition, the method can include coupling a source of a second die to the drain of the first die. The second die can include a gate and the source that are located on a first surface of the second die and a drain that is located on a second surface of the second die that is opposite the first surface.