Increasing forward biased safe operating area by source segmentation

1. A device comprising:

a plurality of cells, wherein each cell comprises:

at least two gate stripes formed on an upper surface of the device; and

a segmented source formed between the at least two gate stripes, wherein an edge length of the segmented source covers between 5% to 95% of an available source stripe perimeter, wherein the available source stripe perimeter is defined as a total edge length of facing edges of the at least two gate stripes, and wherein the edge length varies according to a distance of the segmented source from a center of the device.

2. The device of claim 1 , wherein the segmented source comprises a partial single side source.

3. The device of claim 1 , wherein the segmented source comprises a checkered source.

4. The device of claim 1 , wherein the segmented source comprises an asymmetrical checkered source.

5. The device of claim 1 , wherein the segmented source comprises a rounded checkered source.

6. The device of claim 1 , wherein the segmented source comprises a laddered source.

7. The device of claim 1 , wherein the segmented source comprises an asymmetrical laddered source.

8. The device of claim 1 , wherein the segmented source comprises a rounded laddered source.

9. A device comprising:

a plurality of concentric source segmentation zones extending from a center of the device to edges of the device, wherein each concentric source segmentation zone comprises:

a plurality of gate stripes formed on an upper surface of the device; and

a segmented source formed between two of the gate stripes, wherein an edge length of the segmented source covers a percentage of an available source stripe perimeter that varies according to a distance of the concentric source segmentation zone from the center of the device, wherein the available source stripe perimeter is defined as a total edge length of facing edges of the two of the plurality of gate stripes.

10. The device of claim 9 , wherein the percentage is at a minimum within a concentric source segmentation zone closest to the center of the device, and at a maximum within a concentric source segmentation zone closest to the edges of the device.

11. The device of claim 9 , wherein the plurality of concentric source segmentation zones comprises a plurality of oval or ellipse shaped concentric source segmentation zones.

12. The device of claim 9 , wherein the plurality of concentric source segmentation zones comprises a plurality of circular concentric source segmentation zones.

13. The device of claim 9 , wherein the plurality of concentric source segmentation zones comprises a plurality of rectangular concentric source segmentation zones.

14. The device of claim 9 , wherein the segmented source comprises a partial single side source.

15. The device of claim 9 , wherein the segmented source comprises a checkered source.

16. The device of claim 9 , wherein the segmented source comprises a laddered source.

17. A device comprising:

a plurality of cells, wherein each cell comprises:

a gate region on an upper surface of a device, wherein a total length of an inner perimeter of the gate region defines an available source perimeter; and

a segmented source having an outer perimeter adjacent to the available source perimeter, wherein an outer perimeter of the segmented source is between 5% to 95% of the available source perimeter, and wherein the outer perimeter varies according to a distance of the segmented source from a center of the device.

18. The device of claim 17 , wherein the segmented source comprises one or more segments.

19. The device of claim 17 , wherein the cell comprises a square, rectangular, hexagonal, or polygonal cell.

20. The device of claim 17 , wherein the available source perimeter comprises a square, circle, rectangle, hexagonal, or any polygonal perimeter.