USB Type-C linear Mux/DeMux redriver integrates USB-C detector

March 31, 2020 //By Julien Happich
The PI3EQX10612/PI3EQX10312 2-port 10Gbps linear ReDriver devices from Diodes Incorporated come with integrated USB-C detection for equipment implementing a USB Type-C interface. Offering 1:2/2:1 mux/demux functionality, the ReDrivers can be used to extend the reach of USB signals running across rigid or flexible PCBs.

Delivered in the 42-contact TQFN 3.5x9mm package, the PI3EQX10612/PI3EQX10312 ReDrivers are designed to amplify the signal while operating at the same speed as the bus. The increased drive this provides can allow the serial bus to travel over significantly longer PCB traces without any loss of signal. Every dB of channel loss compensation provided equates to a measurable increase in PCB track length.

The PI3EQX10612/PI3EQX10312 are fully compliant with the USB 3.2 Gen 2 and Gen 1 Super Speed standards. They provide adjustable linear equalization, output swing, and flat gain to reduce intersymbol interference with an automatic slumber mode that enables adaptive power management. The ReDrivers employ pre-emphasis at the transmission point to help compensate for channel losses, delivering high reliability and low bit error rate at the receiver. Control is achieved using an I2C interface or pin control. The PI3EQX10312 offers additional features including plug-in detection for USB-C connector and Vconn to power active cables.

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