Part MIC2342R
Description Dual-Slot PCI Express Hot-Plug Controller
Manufacturer Micrel Semiconductor
Size 1.22 MB
Micrel Semiconductor

MIC2342R Overview

Description

The MIC2342 is a dual-slot power controller supporting the power distribution requirements for Peripheral Component Interconnect Express (PCI Express®) Hot-Plug compliant systems. The MIC2342 provides complete power control support for two PCI Express slots, including the 3.3VAUX defined by the PCI Express standards.

Key Features

  • Supports two independent PCI Express slots
  • MAIN & AUX outputs are inter-dependent during AUX overcurrent conditions
  • 12V, 3.3V, and 3.3VAUX supplies supported per PCI Express Specification v1.0a, v.2.0
  • Integrated Power MOSFETS for 3.3VAUX rails
  • Standby Operation for Wake-on-LAN applications with low backfeed on Main +12V and +3.3V rails
  • Electronic circuit breakers for each supply per slot
  • Programmable gate voltage slew-rate control
  • Active current regulation controls inrush current
  • High accuracy Primary and Secondary Circuit Breaker Current-limit Thresholds
  • Dual-level, dual-speed fault detection for fast response without nuisance tripping