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PI5USB2058 - USB Power Switch

General Description

Notebook PCs are used around the world to charge battery-powered handheld devices such as cell phones and MP3/MP4 players.

Hand-held devices require communication with the notebook PC before they start to draw current.

Key Features

  • ÎÎ Enables USB device to draw current from Vbus when USB.

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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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www.DataSheet4U.com PI5USB2058 USB Power Switch with Pericom's Power Nap™ Technology Features ÎÎ Enables USB device to draw current from Vbus when USB Description Notebook PCs are used around the world to charge battery-powered handheld devices such as cell phones and MP3/MP4 players. Hand-held devices require communication with the notebook PC before they start to draw current. This ensures that the handheld device will obtain sufficient current when it wants to charge. The issue is that the notebook PC does not have a way to provide this acknowledge signal to the handheld device when the notebook is in “Sleep” mode. Pericom’s PI5USB2058 solves this issue by setting the D+/D- pins in the notebook PC to the required signal levels during “sleep” mode.