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MIC2524 - Quad USB Power Control Switch Not Recommended for New Designs

General Description

The MIC2524 and MIC2527 are cost-effective high-side power switches with four independently controlled channels, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications.

Few external components are necessary to satisfy USB requirements.

Key Features

  • include thermal shutdown to prevent catastrophic switch failure from high-current loads, undervoltage lockout (UVLO) to ensure that the device remains off unless there is a valid input voltage present, and 3.3V and 5V logic compatible enable inputs. The MIC2524/7 is available in active-high and active-low versions in 16-pin DIP and SOIC packages. Features.

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Datasheet Details

Part number MIC2524
Manufacturer Micrel Semiconductor
File Size 100.45 KB
Description Quad USB Power Control Switch Not Recommended for New Designs
Datasheet download datasheet MIC2524 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MIC2524/2527 Micrel MIC2524/2527 Quad USB Power Control Switch Not Recommended for New Designs Refer to MIC2027 General Description The MIC2524 and MIC2527 are cost-effective high-side power switches with four independently controlled channels, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. Few external components are necessary to satisfy USB requirements. The MIC2524/7 satisfies the following USB requirements: each switch channel supplies up to 500mA as required by USB downstream devices; the switch’s low on-resistance meets USB voltage drop requirements; fault current is limited to typically 750mA, well below the UL 25VA safety requirements; and a flag output is available to indicate fault conditions to the local USB controller.