Designed for Universal Serial Bus (USB) self-powered hub applications such as monitors, the MIC2527 quad USB switch integrates four independent high-side switches with each switch fully protected against short-circuits via a thermal shutdown circuit and internal current limiting. A flag output indicates that an overcurrent condition exists; a local USB controller can use that flag to shut down the offending channel without affecting the operation of other channels. A maximum current limit of 1.25A per port is assured to dramatically reduce the power supply requirements of supporting USB. The active current limit circuit precisely limits current during fault conditions.
Company: MICREL SEMICONDUCTOR INC.
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