METHODS AND APPARATUS TO PREVENT A FALSE DISCONNECTION IN UNIVERSAL SERIAL BUS DEVICES

    公开(公告)号:US20250021704A1

    公开(公告)日:2025-01-16

    申请号:US18523590

    申请日:2023-11-29

    Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed to prevent a false disconnection in universal serial bus devices. An example apparatus includes a comparator including a first input terminal, a second input terminal, and an output terminal, the first input terminal coupled to a first connectional terminal, the second input terminal coupled to a second connection terminal; filter circuitry including an input terminal and an output terminal, the input terminal coupled to the output terminal of the comparator; a switch including a control terminal, a first current terminal, and a second current terminal, the control terminal coupled to the output terminal of the filter circuitry; and a current source including a first terminal and a second terminal, the first terminal coupled to at least one of the first connection terminal or the second connection terminal, the second terminal coupled to the first current terminal of the switch.

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