Power-Supply Management Solution for PCI Express x16 Graphics 150W-ATX Add-In Cards
The PCI Express x16 Graphics 150W-ATX Specification establishes detailed power-supply management requirements for PC-graphics add-in cards. Designing a discrete solution to satisfy these requirements can add considerable cost and complexity to the overall card design.
This application note describes how to use the MAX5943 integrated current limiter and the MAX5944 low-drop power-supply ORing switch controller to enable a small, simple, low-cost power-management solution for PCI Express 150 W graphics cards.
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