Microchip | MIC2012-2PZQS

Micrel Inc., is a leading manufacturer of IC solutions for the worldwide analog, Ethernet and high bandwidth markets. The Company's products include high performance analog, power, advanced mixed-signal and radio frequency semiconductors; high speed communication, clock management, Ethernet switch and physical layer transceiver integrated circuits.

The MIC2012 is a dual channel USB power switch designed to support the power distribution requirements for USB Wakeup from the ACPI S3 state. The MIC2012 will directly switch its two outputs between a 5V main supply and a 5V auxiliary supply normally provided in ATX style power supplies.

Key Features

• Compliant to USB power distribution specifications
• Two completely independent switches
• Integrated switching matrix supports ACPI S0/S3 state transitions without external FET circuits
• No back-feed of auxiliary supply onto main supply during standby mode
• Bi-level current-limit preserves auxiliary supply voltage regulation in standby mode
• Thermally isolated channels and Thermal shutdown protection
• Circuit breaker options with auto-reset (MIC2072)
• Undervoltage lockout

Applications

• Desktop PCs
• Notebook PCs
• Notebook docking stations
• LAN Servers