Microchip Technology, Inc. Hot Swap Controllers MIC2590B-2BTQ

The MIC2590B-2BTQ is a dual-slot PCI hot plug controller designed to meet the power distribution requirements for PCI 2.2 compliant systems. It supports multiple voltage supplies including +5V, +3.3V, +12V, and ,Äì12V, along with the auxiliary +3.3V supply. The device features programmable inrush current limiting and active current regulation to manage inrush current effectively. It includes an electronic circuit breaker and dual-level fault detection to ensure quick fault response without nuisance tripping. The MIC2590B-2BTQ incorporates an SMBus interface for comprehensive power control and status monitoring of each slot, allowing for the collection of voltage and current data for IPMI sensor records. The device is packaged in a 48-pin TQFP and operates within a temperature range of 0° to +70°C. This product is suitable for applications requiring reliable PCI hot-plug power distribution and fault management.