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First 1.8V PCIe 4.0 ReDriver extends PCB trace lengths

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By Nick Flaherty

Diodes has launched the first ReDriver device for PCI Express 4.0 to run at 1.8V to extend the length of PCB traces.

The PI2EQX16924 is the industry’s first available PCIe 4.0 ReDriver that operates from a 1.8V voltage rail rather than 3.3V to reduce the power consumption.

The PI2EQX16924 only consumes 288mW and 27mW respectively when in active and low-power modes, particularly important for saving battery charge in portable applications.

The device features four differential channels that are independently configurable in terms of receiver equalization and flat gain. This mitigates inter-symbol interference and allows signal loss compensation, so that longer PCB trace lengths can be achieved. As the I2C interface is used for such configuration work, firmware requirements are minimal.

The PI2EQX16924 is capable of handling data rates up to 16Gbps. The device is compliant with PCIe 4.0 and backwards compatible with PCIe 1.0, 2.0 and 3.0 generations. An industrial temperature range from -40°C to 85°C is supported.

The PI2EQX16924 ReDriver is supplied in a 32-pin X2-QFN package and it is available at $3.25 in 3500 piece quantities.

www.diodes.com

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