Click to expand full text
MIC2592B
Dual-Slot PCI Express Hot-Plug Controller
General Description
The MIC2592B is a dual-slot power controller supporting the power distribution requirements for Peripheral Component Interconnect Express (PCI Express) Hot-Plug compliant systems. The MIC2592B provides complete power control support for two PCI Express slots, including the 3.3VAUX defined by the PCI Express standards. Support for 12V, 3.3V, and 3.3VAUX supplies is provided including programmable constant-current inrush limiting, voltage supervision, programmable current limit, and circuit breaker functions. These features provide comprehensive system protection and fault isolation. The MIC2592B also incorporates an SMBus interface via which complete status of each slot is provided.