The ISL6112 targets the PCI-Express add-in card hot plug application. Together with two each of N-Channel and P-Channel MOSFETs, four current sense resistors, and several external passive components, the ISL6112 provides a compliant hot plug power control solution to any combination of two PCI-Express X1, X4, X8 or X16 slots.

Features

• Supports Two Independent PCI-Express Slots

• Highest Available Accuracy External RSENSE Current Monitoring on Main Supplies

• Programmable Current Regulation Protection Function for X1, X4, X8, X16 Connectors

• 12V, 3.3V, and 3.3VAUX Supplies Supported per PCI Express Specification V1.0A

• Voltage Tolerant I/O SMBus Interface for Slot Power Control and Status, Compatible with SMBus 2.0 Systems

• Programmable Current Regulation Duration

• Programmable In-Rush Current Limiting

• Dual-Level Fault Detection for Quick Fault Response Without Nuisance Tripping

• Slot-to-Slot Electrical and Thermal Isolation

• Two General-Purpose Input Pins Suitable for Interface to Logic and Switches

• Pb-Free (RoHS Compliant)

Applications

• PCI Express V1.0A Hot-Plug Power Control

• PCI-Express Servers

• Power Supply Distribution and Control