Diodes Incorporated PI2DPX2023FLAEX

Overview

PI2DPX2023FLAEX from Diodes Incorporated is a 4-channel linear DisplayPort 2.0 ReDriver supporting UHBR20 (20Gbps) operation with CTLE gain up to 13.8dB at 10GHz, integrated AUX channel listener for D3 power management, and pin-strapped control of equalization and flat gain. It operates from a single 1.8V ±5% supply and delivers ultra-low latency (<25–150ps) in graphics add-in cards and docking stations.

For engineers reviewing the PI2DPX2023FLAEX datasheet, PI2DPX2023FLAEX pinout, PI2DPX2023FLAEX application, or PI2DPX2023FLAEX equivalent, this device serves as a high-fidelity signal integrity solution for DP2.0/DP1.4 main-link retiming in bandwidth-constrained PCB traces, active cables, and embedded display interconnects where deterministic latency and low-power D3 mode are critical.

Technical Context

The PI2DPX2023 implements a non-blocking linear ReDriver architecture with input-side CTLE equalizers (0–13.8dB peaking gain at 10GHz) and programmable flat gain (−4 to +2dB), both controlled via 4-level pin straps (EQ/FG). Its AUX listener monitors DP link training status to autonomously enter D3 power-down mode (1.8mW typical) while maintaining AUX responsiveness.

Each of its four differential channels features CML I/O with selectable 50Ω or Hi-Z output termination and 50Ω/78kΩ input termination options, enabling flexible integration into upstream GPU or downstream display sink paths. The device supports full DP2.0 UHBR20/UHBR13.5/UHBR10 and legacy DP1.x speeds without protocol awareness or packet parsing.

Key Specifications

Pinout & Package

Package: 32-pin W-LGA (FLA), 2.85 mm × 4.5 mm, 0.4 mm pitch, 0.7 mm max height.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar DisplayPort linear ReDriver applications.

Compared with TI TUSB546A and Renesas uPD64083, the PI2DPX2023FLAEX uniquely delivers UHBR20 readiness, autonomous D3 power gating via AUX listener, and pin-strapped simplicity - making it the only option among the three qualified for next-generation 8K/VR display interconnects requiring deterministic low-latency retiming.

Availability

PI2DPX2023FLAEX is available at Aetrix Electronics and suitable for graphics add-in cards, laptop docking stations, and workstation monitors requiring stable component supply, long-term lifecycle assurance, and RoHS 3-compliant sourcing.

Supply support for PI2DPX2023FLAEX includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal ICs, with design centers across Asia, Europe, and the US, and manufacturing in ISO/TS 16949-certified facilities.

The PI2DPX2023 belongs to Diodes' DisplayPort ReDriver product line, engineered specifically to extend high-speed DP2.0/DP1.4 signal reach in space-constrained, thermally sensitive computing and display systems without protocol overhead.

FAQ

Does PI2DPX2023FLAEX support DisplayPort 2.0 UHBR20 at full 20Gbps per lane?

Yes. The PI2DPX2023FLAEX is fully specified for UHBR20 (20Gbps per lane) operation, with measured CTLE peaking gain up to 13.8dB at 10GHz and total jitter ≤0.45UI at UHBR20 under defined test conditions (DS43532 Rev 4-2, Table 13). It meets all DP2.0 electrical requirements for main-link retiming, including AC common-mode voltage, differential swing, and return loss.

How does the AUX listener enable D3 power saving mode?

The integrated AUX listener continuously monitors the DP AUX channel for Link Training commands and HPD state changes. When the sink enters D3 (e.g., display powered off), the listener detects absence of AUX traffic and HPD low for >327ms, then automatically disables main-link outputs while keeping AUX receivers active - reducing power from 324mW to 1.8mW without host intervention.

Can EQ and FG pins be left floating, or do they require external resistors?

No - EQ and FG pins must be pulled to defined voltage levels using external resistors to select one of four gain states. Each pin has internal 100kΩ pull-up and 200kΩ pull-down; leaving them floating results in indeterminate logic levels. Per Table 3 and Table 4, valid states require VDD, GND, or specific resistor dividers (e.g., 68kΩ to GND for "R" level).

What is the thermal pad (center pad) connection requirement for PI2DPX2023FLAEX?

The center pad is electrically GND and thermally critical. It must be soldered to a solid copper thermal pad on the PCB, connected via ≥4 thermal vias (0.3mm diameter) to an internal ground plane. Diodes' mechanical drawing (MA-1251) specifies minimum solder paste coverage and reflow profile to ensure reliable thermal conduction and mechanical attachment at 0.7mm max height.