The Adafruit TS3USB30 1 to 2 USB Switch is a convenient breakout board for the TI TS3USB30, allowing you to connect two USB devices to a single port. It is especially useful for communication between multiple chips without the need for a hub. With a design made specifically for USB, it can handle high speed USB 2.0 connections up to 480 Mbps.
This product is easy to use; there is one 'upstream' connection to connect to a USB Host device, such as a computer or Host-capable microprocessor. The USB Type C port or breakout pads on the bottom can both be used. Then, connect two USB peripherals to the power/ground/D+/D- lines on either side. The S pin can select between port 1 (low signal) and port 2 (high signal). The Output Enable pin allows for disconnection of both ports.
Please note that only data is switched, not power. This switch will power both sides as it connects from one to the other. If you wish to change the behavior of your peripherals or have them re-enumerate when USB data is disconnected, it is important for them to be aware of this disconnection. We have observed that solid-state chips such as FT232's and USB sticks handle this effectively, but microcontrollers may become confused and fail to re-enumerate due to their reliance on power cycling. In such situations, you can utilize the device's Reset or Enable pin to reset it.
The breakout board is fully assembled and includes a 3.3V regulator to convert from 5V, as well as a green power LED that can be disabled. It also comes with included headers to use with a breadboard, but note that it may reach its limit at 12 Mbps speeds. The four mounting holes make it simple to attach anywhere desired.
Technical Details
Product Dimensions: 24.0mm x 20.3mm x 4.9mm / 0.9" x 0.8" x 0.2"
Product Weight: 2.1g / 0.1oz
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