Leadframe with sockets for solderless pins
In a general aspect, a method can include coupling a semiconductor component to a leadframe. The leadframe can include a socket member having a first end portion and a second end portion. The socket member can further include an opening disposed between the first end portion and the second end portion. The opening of the socket member can be configured to receive a solderless pin. The method can also include encapsulating, in a molding compound, at least a portion of the leadframe and at least a portion of the semiconductor component such that the opening of the socket member is exposed through the molding compound.
1. A method, comprising:
coupling a semiconductor component to a leadframe, the leadframe including a socket member having a first end portion and a second end portion, the socket member further including an opening disposed between the first end portion and the second end portion, the opening of the socket member being configured to receive a solderless pin; and
encapsulating, in a molding compound, at least a portion of the leadframe and at least a portion of the semiconductor component such that the opening of the socket member is exposed through the molding compound.
2. The method of claim 1 , wherein the socket member is configured to define at least a portion of an electrical connection between the semiconductor component and an external component.
3. The method of claim 1 , wherein:
the leadframe is disposed within a plane;
the molding compound includes a top molding portion disposed above the plane and a bottom molding portion disposed below the plane; and
the second end portion of the socket member is disposed between the top molding portion and the bottom molding portion.
4. The method of claim 1 , wherein:
the molding compound includes a top molding portion and a bottom molding portion; and
the encapsulating includes forming the molding compound such that an edge of the top molding portion is offset from an edge of the bottom molding portion, such that a recessed area is defined.
5. The method of claim 4 , wherein the socket member is exposed through the bottom molding portion in the recessed area.
6. The method of claim 1 , wherein the semiconductor component includes a semiconductor die that is coupled to the leadframe.
7. The method of claim 1 , wherein the semiconductor component includes:
a substrate coupled to the leadframe; and
a semiconductor die disposed on the substrate.
8. The method of claim 1 , further comprising press fitting the solderless pin in the opening of the socket member, the solderless pin define at least a portion of an electrical connection between the semiconductor component and an external component.
9. The method of claim 1 , further comprising forming an opening in the molding compound, the opening of the socket member being in fluid communication with the opening in the molding compound, the opening in the molding compound having an axis of symmetry, the opening in the socket member having a same axis of symmetry as the opening in the molding compound.
10. The method of claim 9 , wherein the opening in the molding compound is one of a hole extending through the molding compound, or a cavity in the molding compound.
11. A method comprising:
electrically coupling a semiconductor component to a bond pad of a leadframe,
the leadframe including a socket member having a first end portion, a second end portion, and an opening disposed between the first end portion and the second end portion,
the bond pad being disposed on the second end portion of the socket member, the bond pad being aligned along a same plane as the socket member; and
encapsulating at least a portion of the leadframe and the semiconductor component in a bottom molding portion and a top molding portion, the top molding portion having an edge offset from an edge of the bottom molding portion such that a recessed area is defined, the opening of the socket member being exposed within the recessed area.
12. The method of claim 11 , wherein the opening is configured to receive a solderless pin, the method further comprising, press-fitting the solderless pin into the opening.
13. The method of claim 11 , further comprising forming an opening in the bottom molding portion, the opening of the socket member being in fluid communication with the opening in the bottom molding portion, the opening in the bottom molding portion having an axis of symmetry, the opening in the socket member having a same axis of symmetry as the opening in the bottom molding portion.
14. The method of claim 13 , wherein the opening in the bottom molding portion is configured to conform to a shape of a solderless pin inserted through the opening of the socket member.
15. The method of claim 13 , wherein a wall of the opening in the bottom molding portion is sloped, such that a diameter of the opening in the bottom molding portion at a bottom of opening in the bottom molding portion is larger than a diameter of the opening in the socket member.
16. The method of claim 11 , wherein:
the leadframe is disposed within a plane;
the top molding portion is disposed above the plane;
the bottom molding portion disposed below the plane; and
the second end portion of the socket member is disposed between the top molding portion and the bottom molding portion.
17. A method comprising:
enclosing a leadframe having a semiconductor component coupled thereto in a molding cavity defined by a first mold member and a second mold member,
the leadframe including a socket member having a first end portion, a second end portion, and an opening disposed between the first end portion and the second end portion; and
injecting a molding compound into the molding cavity to encapsulate at least a portion of the leadframe and the semiconductor component in a bottom molding portion and a top molding portion, the top molding portion having an edge offset from an edge of the bottom molding portion such that a recessed area is defined, the opening of the socket member being exposed within the recessed area.
18. The method of claim 17 , further comprising forming an opening in the bottom molding portion, the opening of the socket member being in fluid communication with the opening in the bottom molding portion, the opening in the bottom molding portion having an axis of symmetry, the opening in the socket member having a same axis of symmetry as the opening in the bottom molding portion.
19. The method of claim 18 , further comprising press-fitting a solderless pin in the opening in the socket member and the opening in the bottom molding portion.
20. The method of claim 18 , wherein forming the opening in the bottom molding portion includes forming one of a hole extending through the bottom molding portion, or a cavity in the bottom molding portion.