EE Product News

Power Switch ICs Support New USB Wake-Up Capability

Claimed as the first universal serial bus (USB) power switch ICs to address the Advanced Configuration and Power Interface (ACPI) wake-up capabilities, the devices in the MIC2010 series—the MIC2010, MIC2012, MIC2070 and MIC2072—include four dual-channel protected MOSFET switches optimized for USB wake-up capabilities supported by ACPI for desktop PCs. When the PC is active, the devices will guarantee 500 mA continuous output current per channel as required by USB. When the PC is placed in the ACPI S3 sleep state, the outputs are switched to the 5V standby supply available in ATX style power supplies. In this state, the continuous output current is reduced to 100 mA. This reduction protects the smaller current capacity of the standby supply in case of short-circuit faults. When the PC is returned to the active state, the outputs are switched to the 5V main supply. Pricing starts at $1.66 each/1,000 for the MIC20x2CM in 8-pin SOIC package.


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