TS3USB221ARSERG4

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The TS3USB221ARSERG4 is part of the interface analog switch portfolio of Texas Instruments, in the special purpose category. The device is a two-channel USB 2.0 high-speed single-ended multiplexer/switch designed to facilitate data transfer between a USB 2.0 host/host bridge and multiple USB 2.0/3.0 peripheral devices (such as webcams, keyboards, mice, printers, and USB-to-Ethernet adapters).

The TS3USB221ARSERG4 supports one upstream and two downstream ports at all data rates from low-speed, full-speed, to high-speed, including SuperSpeed and SuperSpeedPlus, allowing for seamless connections to the host and up to two peripheral devices. The device features a selectable, low-power shutdown mode to minimize system power consumption. Designed for operation with 5V or 3.3V logic levels, the device is compliant with the USB Audio Device Class 3.0, USB 2.0, and USB 3.0 specifications.

The TS3USB221ARSERG4 is suitable for use in applications such as USB-to-Ethernet adapters, point-of-sale terminals, USB hubs and docking stations, 2.0/3.0 peripherals, gaming consoles, embedded systems, and USB audio devices. Its multiplexing or switching capability allows the device to adapt to various application needs, while the low-power shutdown mode allows the device to switch off during periods of inactivity or when the host or peripheral is not in use.

The TS3USB221ARSERG4 supports two downstream ports, one upstream port, and one GPIO. The upstream port is designed to be connected to a USB2.0 host port and the two downstream ports are designed to be connected to multiple USB2.0/3.0 peripherals. The device also features a selectable, low-power shutdown mode, which can be used to reduce system power consumption. The selectable low-power shutdown feature can be used to switch off the device during periods of inactivity or when the host or peripheral is not in use.

The working principle of the TS3USB221ARSERG4 device is very simple. When enabled, it functions as a two-channel analog multiplexer/switch, allowing one upstream port to be connected to either one of the two downstream ports. When disabled, the device is in a low-power shutdown mode. It can be configured to switch between the two ports with a logic signal from the external MCU, allowing one USB 2.0/3.0 peripheral to be connected to either of the two ports at any given time.

In summary, the TS3USB221ARSERG4 is a two-channel, USB 2.0 high-speed single-ended multiplexer/switch specifically designed for interfacing a USB 2.0 host/host bridge and multiple USB 2.0/3.0 peripheral devices. It can be used in a variety of applications such as USB-to-Ethernet adapters, point-of-sale terminals, USB hubs and docking stations, 2.0/3.0 peripherals, gaming consoles, embedded systems, and USB audio devices. It is also compliant with the USB Audio Device Class 3.0, USB 2.0, and USB 3.0 specifications, and features a selectable, low-power shutdown mode to minimize system power consumption.

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