Atx12v Power Supply Design

With the move to 12v voltage regulators for the cpu atx guidelines for 5v as main power are no longer provided.

Atx12v power supply design.

2 design guide. With the added 12v 5v and 3 3v pins the need for an aux power connector is. This was made to support 75 watt pci express requirements. Atx12v power supplies should be designed to accommodate these.

Intel corporation and any contributor makes no warranties with regard to this document and in particular does not warrant or represent that this document or any products made in conformance with it will. Atx12v power supply design guide version 2 2 9 1 2 2. Atx12v power supply design guide version 2 0 table 6. Atx12v power supply dimensions for chassis requiring top venting.

The 2 x 10 main power connector has been replaced by a 2 x 12 connector. Typical power distribution for a 400 w atx12v configuration min. With the added 12v 5v and 3 3v pins the need for an aux power connector is no longer. System components that use 12v are continuing to increase in power.

Pinout assignments are based on the ssi recommendation. Total combined output of 3 3 v and 5 v is peak currents may last up to 17 seconds with not more than one occurrence per minute 12v1dc and 12v2dc should have separate current limit circuits to meet 240va safety requirements. Atx12v power supply design guide 8 1 2 3. Sfx12v 40 mm profile mechanical outline.

This was made to support 75 watt pci express requirements. Key changes for atx12v version 1 3 increased 12 vdc output capability. The 2 x 10 main power connector has been replaced by a 2 x 12 connector. You may not use or facilitate the use of this document in connection with any infringement or other legal analysis concerning.