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Diodes Incorporated PI2DPX2020FLAEX
- Part No.:
- PI2DPX2020FLAEX
- Manufacturer:
- Diodes Incorporated
- Category:
- Signal Buffers, Repeaters, Splitters
- Package:
- 32-WFLGA Exposed Pad
- Datasheet:
-
PI2DPX2020FLAEX.pdf
- Description:
- ACTIVE DISPLAY W-LGA4528-32 T&R
- Quantity:
- Payment:
- Shipping:
Inventory:729
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Product details
Overview
PI2DPX2020FLAEX from Diodes Incorporated is a 20Gbps linear ReDriver IC for USB4 Gen 3, Thunderbolt 4, and DisplayPort 2.0 Alternate Mode over USB-C®. It implements a 4-to-4 channel configuration with programmable CTLE (up to 16dB @10GHz), flat gain (–4 to +2dB), ultra-low latency (<150ps typ.), and integrated AUX/SBU crossbar switching. Designed for high-speed signal integrity restoration in laptop docking stations and active cables.
For engineers reviewing the PI2DPX2020FLAEX datasheet, PI2DPX2020FLAEX pinout, PI2DPX2020FLAEX application, or PI2DPX2020FLAEX equivalent, this device supports dynamic mode selection via I²C for USB4 single/dual-port, DP2.0 2-lane/UHBR20, and 4-lane configurations - with Hi-Z safe-state compliance, 1.8V operation, and industrial temperature range (–40°C to +85°C).
Technical Context
The PI2DPX2020 operates as a non-blocking linear ReDriver, preserving pre-shoot and de-emphasis waveforms from the transmitter to enable system-level DFE-based link training. Its CTLE equalizers compensate channel loss at the input stage, while individually configurable flat gain per channel optimizes eye opening across frequency bands up to 10GHz.
It integrates an AUX listener and SBU crossbar switch to support Type-C plug flip/non-flip detection and DP AUX channel routing. Power state management includes USB U0/U1/U2/U3 and DP D3/standby modes, with automatic wake-up on signal detection and <300ps total latency ensuring interoperability with USB4/TBT4 PHYs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Data Rate | 20Gbps (USB4 Gen 3 / DP2.0 UHBR20) |
| CTLE Gain Range | 0–16dB @10GHz; 8 settings via EQ<2:0> register |
| Flat Gain Range | –4dB to +2dB; selectable via FG<1:0> register |
| Latency | 60–150ps typ.; enables real-time signal pass-through without retiming delay |
| Supply Voltage | 1.8V ±5%; single-rail operation reduces board complexity |
| Power Consumption | 300mW (U0 active), 3mW (U1/U2), 1.8mW (Modern Standby) |
| Operating Temp | –40°C to +85°C; qualified for industrial embedded systems |
Pinout & Package
Package: 32-pin W-LGA (2.85mm × 4.5mm, 0.4mm pitch), bottom-exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD18 (Pins 6,14,22,30) | Power supply | 1.8V core rail; four dedicated pins ensure low-impedance delivery and noise isolation |
| GND (Pins 3,9,19,25 + center pad) | Ground reference | Multi-point grounding with exposed thermal pad improves thermal dissipation and signal return path integrity |
| SCL/SDA (Pins 12,13) | I²C interface | Open-drain control bus supporting up to 1MHz; enables dynamic mode and gain configuration |
| EN (Pin 15) | Chip enable | Active-high logic with internal 300kΩ pull-up; asserts full power-down when low |
| CON_RX1P/N to CON_TX2P/N (Pins 17–18,23–24,26–27,1–2,10–11) | High-speed CML I/O | Configurable 50Ω/6kΩ/HI-Z termination; supports USB4/DP2.0 main-link bidirectional signaling |
| AUXP/AUXN (Pins 31–32) | DP AUX differential pair | Half-duplex sideband channel interface; routed via internal crossbar for plug orientation handling |
| SBU1/SBU2 (Pins 28–29) | Type-C SBU signals | Bi-directional sideband use pins; switched internally to match flip/non-flip connector orientation |
Key Features
| Feature | Design Value |
|---|---|
| 4-to-4 linear ReDriver architecture | Preserves transmitter equalization waveform for end-to-end DFE compatibility without clock-data recovery |
| Programmable CTLE + flat gain per channel | Enables fine-grained channel tuning across 10GHz bandwidth to counteract PCB trace loss and ISI jitter |
| Integrated AUX/SBU crossbar switch | Automatically routes AUX and SBU signals based on Type-C plug orientation, eliminating external mux components |
| Multi-standard mode support | Single device configures for USB4 Gen 3 (20Gbps), TBT4 (20.625Gbps), DP2.0 UHBR20/UHBR13/UHBR10 via I²C OP_MODE<3:0> |
| Ultra-low-power states | Deep slumber (3mW) and Modern Standby (1.8mW) reduce system idle power without sacrificing wake responsiveness |
Applications
| Laptop Docking Stations | USB-C Active Cables |
|---|---|
|
Use Scenario: Signal integrity restoration across long FR4 traces between host and peripheral ports in compact dock PCBs. IC Role / Device Role / Timing Role: Linear ReDriver compensating insertion loss and ISI in 20Gbps USB4/DP2.0 lanes without introducing timing uncertainty. Use Value: Enables reliable 4-lane DP2.0 UHBR20 and dual-port USB4 Gen 3 operation within thermally constrained dock enclosures. |
Use Scenario: Extending high-speed USB-C interconnect beyond passive cable limits (e.g., >1m at 20Gbps). IC Role / Device Role / Timing Role: Transparent analog repeater placed inline in cable assembly to restore signal amplitude and eye opening. Use Value: Achieves certified USB4/TBT4 compliance in active cables with <150ps latency and no protocol translation overhead. |
| Desktop/AIO Display Interfaces | Gaming Console Expansion Docks |
|
Use Scenario: Driving high-resolution 8K@60Hz DP2.0 displays from desktop motherboards with marginal trace budgets. IC Role / Device Role / Timing Role: DP2.0 main-link ReDriver enabling UHBR20 (20Gbps/lane) transmission over cost-optimized PCB stackups. Use Value: Eliminates need for expensive low-loss laminates while maintaining HDMI 2.1b/DP2.0 feature parity. |
Use Scenario: Supporting simultaneous 4K@120Hz display output and high-bandwidth storage expansion via USB4 in console docks. IC Role / Device Role / Timing Role: Dual-role ReDriver managing both DP2.0 video lanes and USB4 data lanes with independent gain control. Use Value: Delivers deterministic latency and coexistence of time-critical graphics and storage traffic in gaming ecosystems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB4/DP2.0 linear ReDriver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI TUSB1046IRNQT | 4-channel USB3.2 Gen2x2 ReTimer (not linear); includes embedded CDR and protocol-aware retiming | Requires USB3.2-only or USB4 Gen 2 (10Gbps) systems; lacks DP2.0 UHBR20 support and AUX/SBU switching | Select when CDR-based jitter cleanup is required over pure analog signal restoration |
| Renesas uPD720212 | USB3.0 hub controller with integrated ReDriver; fixed 5Gbps operation; no DP or USB4 support | Only suitable for legacy USB3.0 peripherals; cannot scale to 20Gbps or DP2.0 UHBR20 | Choose only for cost-sensitive USB3.0 endpoint expansion, not high-speed alternate-mode applications |
Compared with TI TUSB1046IRNQT and Renesas uPD720212, the PI2DPX2020FLAEX uniquely delivers native 20Gbps linear amplification for USB4 Gen 3 and DP2.0 UHBR20 with integrated Type-C orientation handling - making it the only option for next-generation USB-C docks requiring zero-latency, multi-standard analog signal conditioning.
Availability
PI2DPX2020FLAEX is available at Aetrix Electronics and suitable for laptop docking stations, USB-C active cables, and desktop display interfaces requiring stable component supply, long-term lifecycle assurance, and RoHS 3-compliant sourcing.
Supply support for PI2DPX2020FLAEX 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 manufacturer of discrete semiconductors and integrated circuits, specializing in high-performance analog, logic, and power management solutions for industrial, computing, and consumer markets.
The PI2DPX2020 belongs to Diodes' ReDriver™ product line, engineered specifically for high-fidelity, low-latency signal restoration in USB-C-based multi-protocol interconnects - targeting USB4, Thunderbolt 4, and DisplayPort 2.0 system designs.
FAQ
Does PI2DPX2020FLAEX support USB4 Gen 3 dual-port operation?
Yes. The device supports dual-port USB4 Gen 3 (20Gbps x2) via I²C configuration OP_MODE=1100. It routes two independent 20Gbps lanes using its 4-to-4 channel architecture, with separate CTLE and flat gain control per lane to accommodate asymmetric channel loss profiles.
What is the function of the integrated AUX/SBU crossbar switch?
The crossbar switch dynamically reassigns AUXP/AUXN and SBU1/SBU2 connections based on USB-C plug orientation (flip/non-flip), ensuring correct DP AUX channel and sideband signal routing without external components. It operates transparently under I²C control and complies with USB Type-C r1.1 termination requirements.
How does PI2DPX2020FLAEX achieve ultra-low latency?
As a linear ReDriver (not a ReTimer), it avoids clock-data recovery and digital buffering. Signal path delay is purely analog propagation through CML stages, measured at 60–150ps typical - enabling real-time pass-through essential for USB4/TBT4 link training and DP AUX transaction timing.
Can PI2DPX2020FLAEX operate in DP2.0 UHBR20 mode with 4 lanes?
Yes. In OP_MODE=0010 or 0011, it configures all four channels for 4-lane DP2.0 UHBR20 (20Gbps per lane). Each lane supports independent CTLE (up to 16dB @10GHz) and flat gain tuning, and the integrated AUX listener manages DP link training while maintaining sub-300ps total latency.
PI2DPX2020FLAEX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 32-WFLGA Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Buffer, ReDriver
- Applications:
- DisplayPort
- Input:
- CML
- Output:
- CML
- Data Rate (Max):
- 20Gbps
- Number of Channels:
- 4
- Delay Time:
- -
- Signal Conditioning:
- Input Equalization, Output De-Emphasis
- Capacitance - Input:
- 10 pF
- Voltage - Supply:
- 1.71V ~ 1.89V
- Current - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-WLGA (4.5x2.85)
PI2DPX2020FLAEX FAQ
1.How can I place an order for PI2DPX2020FLAEX through Aetrix?
Please submit a Request for Quotation (RFQ) for PI2DPX2020FLAEX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PI2DPX2020FLAEX reliable?
The price and inventory of PI2DPX2020FLAEX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI2DPX2020FLAEX is usually 5 days.
3.What payment methods are accepted for PI2DPX2020FLAEX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI2DPX2020FLAEX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI2DPX2020FLAEX?
PI2DPX2020FLAEX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI2DPX2020FLAEX order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PI2DPX2020FLAEX?
For technical support, including PI2DPX2020FLAEX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI2DPX2020FLAEX requirements.
6.How does Aetrix verify that PI2DPX2020FLAEX is sourced from the original manufacturer or authorized distributors?
All PI2DPX2020FLAEX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PI2DPX2020FLAEX meets industry standards.
7.What is the process for return or replacement of PI2DPX2020FLAEX?
All PI2DPX2020FLAEX units undergo pre-shipment inspection (PSI). If there is an issue with PI2DPX2020FLAEX, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PI2DPX2020FLAEX part is unused and in its original packaging.
Return procedure for PI2DPX2020FLAEX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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