DC interconnect scheme for PSU
View Patent ↗An ATX compatible power supply unit having at least one DC power outlet and at least one DC power cable, the DC power outlet configured to support nominal contact resistances of less than 2.5 milliohms per contact or the DC power cable configured to support series resistances of less than 4 milliohms per linear foot of individual conductor is disclosed.
1. An ATX compatible power supply unit for use with a computer, the ATX compatible power supply unit comprising:
a chassis;
at least one DC power outlet mounted on a power supply unit that is non-compliant with ATX standards but is compatible with the ATX standards, the at least one DC power outlet comprising at least two contacts; and
at least one DC power cable comprising at least two individual conductors that connect to the at least one DC power outlet,
wherein the at least one DC power outlet is configured to support nominal contact resistances of less than 2.5 milliohms per contact, or the at least one DC power cable is configured to support series resistances of less than 4 milliohms per linear foot of individual conductor.
2. The ATX compatible power supply unit of claim 1 , wherein the at least two individual conductors connect to the at least one DC power outlet through any one of connector pins, terminals and lugs.
3. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet supports contact resistances of less than 2 milliohms per contact.
4. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet supports contact resistances of less than 1.5 milliohms per contact.
5. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet supports contact resistances of less than 1 milliohm per contact.
6. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet supports contact resistances of less than 0.5 milliohms per contact.
7. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable is configured to support series resistances of less than 3 milliohms per linear foot of individual conductor.
8. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable is configured to support series resistances of less than 2.5 milliohms per linear foot of individual conductor.
9. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable is configured to support series resistances of less than 1.5 milliohms per linear foot of individual conductor.
10. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable is configured to support series resistances of less than 1 milliohm per linear foot of individual conductor.
11. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable is configured to support series resistances of less than 0.6 milliohms per linear foot of individual conductor.
12. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable is configured to support series resistances of less than 0.4 milliohms per linear foot of individual conductor.
13. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet and the at least one DC power cable support wave crimp connectors.
14. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet is a terminal block.
15. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet and the at least one DC power cable support circular mating connectors.
16. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet and the at least one DC power cable support rectangular mating connectors.
17. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet includes at least two metal bus bars to which each wire of the at least one DC power cable can be secured by any one of screwing, clamping, welding and soldering.
18. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power outlet and the at least one DC power cable have housings that employ any one of mechanical latching mechanisms, rotating latching mechanisms, flexible plastic latches or threaded fasteners.
19. The ATX compatible power supply unit of claim 1 , further comprising a plurality of DC power outlets mounted on the ATX compatible power supply unit configured to mate with respective DC power cables, wherein the plurality of DC power outlets can be any combination selected from terminal block, circular panel mount, rectangular panel mount, and metal bus bar.
20. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable supports braided wire.
21. The ATX compatible power supply unit of claim 1 , wherein the at least one DC power cable supports litz wire.
22. The ATX compatible power supply unit of claim 19 , wherein the plurality of DC power outlets and the respective DC power cables have housings that employ any one of mechanical latching mechanisms, rotating latching mechanisms, flexible plastic latches or threaded fasteners.
23. The ATX compatible power supply unit of claim 1 , further comprising a main printed circuit board that has an extended portion through a cutout in the chassis, wherein the extended portion is routed into a plurality of sub-portions, the sub-portions being plated with conductive material.
24. The ATX compatible power supply unit of claim 23 , wherein DC power cables with metal bracket terminations are connected to the plated sub-portions by any one of: soldering, clamps, or bolts.
25. The ATX compatible power supply unit of claim 23 , wherein DC power cables with lug terminations are connected to the plated sub-portions by bolts.
26. The ATX compatible power supply unit of claim 1 , further comprising a main printed circuit board that has an extended portion through a cutout in the chassis, wherein the extended portion includes two or more arrays of outlet connectors for use with corresponding DC power cables.
27. The ATX compatible power supply unit of claim 26 , wherein the two or more arrays of outlet connectors are oriented vertically.
28. The ATX compatible power supply unit of claim 26 , wherein the outermost array of outlet connectors is oriented horizontally and the remainder of the two or more arrays of outlet connectors are oriented vertically.