The PI3USB42ZMEX is a Dual Single Poll Double Throw (SPDT) USB Switch integrated circuit (IC) manufactured by Diodes Incorporated. This IC is designed for USB2.0 High Speed (HS) compliance and provides flexibility in switching between two USB providers from a single USB device. It saves power by operating in low power mode when no connection is detected. The PI3USB42ZMEX is suitable for applications such as PC peripheral devices, USB HUBs, and USB-Enabled Computer Peripherals. It supports the following USB specifications: USB (Universal Serial Bus) Specification Revision 2.0, USB On-The-Go Supplement, USB Battery Charging Specification 1.1, and USB Battery Charging Specification 1.2. It also meets the USB HID Specification. The Operating Voltage is 1.2V (min.) and 5.5V (max.) with the max. Output Voltage of 4.4V.