Linear redriver enhances smart-cockpit connectivity

Diodes’ PI3DPX1225Q is an automotive 6:4 active crossbar multiplexer with a linear redriver operating at 10 Gbps. It routes USB 3.2 and DisplayPort 2.1 signals through a USB Type-C connector, offering low-latency connectivity with high signal integrity for smart cockpits and rear-seat entertainment systems.

The PI3DPX1225Q supports three operating modes: it can connect a single USB 3.2 Gen 2 lane to the USB Type-C connector, one USB 3.2 Gen 2 lane and two DisplayPort 2.1 UHBR10 channels, or four DisplayPort 2.1 UHBR10 channels. Additionally, the device includes an AUX listener that automatically swaps AUX channels when a flipped USB Type-C cable is detected.

In each operating mode, continuous time linear equalization (CTLE) adjusts differential signals, with output compression swing and flat-gain controlled via I2C. This reduces ISI jitter and optimizes 10-Gbps signal performance across various mediums. CTLE supports DP 2.1 transparent link training without affecting the decision feedback equalizer (DFE) receiver’s adaptive controls.

The crossbar linear redriver is AEC-Q100 Grade 3 qualified, operating over a temperature range of -40°C to +85°C. Prices for the PI3DPX1225Q in a 40-pin, 4×6-mm WQFN package start at $1.87 each in lots of 3500 units.

PI3DPX1225Q product page

Diodes

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