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Diodes Incorporated PI3EQX501BQZAEX
- Part No.:
- PI3EQX501BQZAEX
- Manufacturer:
- Diodes Incorporated
- Category:
- Signal Buffers, Repeaters, Splitters
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
PI3EQX501BQZAEX.pdf
- Description:
- IC REDRIVER USB 3.0 5GBPS 8TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,988
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Product details
Overview
PI3EQX501BQZAEX from Diodes Incorporated is a single-channel, AEC-Q100 qualified USB 3.0 ReDriver IC supporting 5.0 Gbps differential signaling with 100 Ω CML I/Os, programmable equalization, and pin-configured de-emphasis. It operates from a single 3.3 V supply, consumes 165 mW, and enables signal extension across cables or PCB traces in automotive infotainment and multi-view camera systems.
For engineers reviewing the PI3EQX501BQZAEX datasheet, PI3EQX501BQZAEX pinout, PI3EQX501BQZAEX application, or PI3EQX501BQZAEX equivalent, key selection criteria include USB 3.0 protocol compliance, receiver detect timing (7.3 ms idle timeout), slumber mode power management, and CML input sensitivity for low-level signal detection.
Technical Context
The PI3EQX501BQZAEX implements a limiting amplifier with integrated adaptive equalization to compensate for high-frequency loss in USB 3.0 channels. Its receiver detect loop monitors input activity and transitions to Unplug Mode if no load is detected after 7.3 ms of idle time, or re-enters Slumber Mode upon sustained inactivity.
Signal integrity is maintained via adjustable equalization at the input and pin-selectable de-emphasis at the output. The device uses CML-compatible 100 Ω differential I/Os and requires no external reference clock or configuration interface - all control is hardware-pin driven.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 5.0 Gbps - supports full USB 3.0 SuperSpeed signaling without protocol translation. |
| Supply Voltage | 3.3 V ±5% - single rail operation compatible with standard USB host/platform power domains. |
| Power Consumption | 165 mW - enables thermal-constrained placement near connectors or in dense automotive modules. |
| Differential I/O Impedance | 100 Ω - matches USB 3.0 channel impedance for minimal reflection and insertion loss. |
| Receiver Detect Timeout | 7.3 ms - defines minimum idle duration before initiating unplug detection sequence. |
| AEC-Q100 Grade | Grade 2 (−40°C to +105°C) - qualified for under-hood and dashboard-mounted automotive electronics. |
Pinout & Package
Package: 8-pin TDFN, 2 mm × 2 mm, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power Supply | 3.3 V supply input with local 100 nF bypass capacitor required. |
| GND | Ground Reference | Common return for analog and digital circuitry; tied to exposed thermal pad. |
| RXP / RXN | Differential Data Input | CML-compatible 100 Ω input pair accepting degraded USB 3.0 signals for equalization. |
| TXP / TXN | Differential Data Output | Re-driven 5.0 Gbps CML output pair with pin-selectable de-emphasis levels. |
| EQ | Equalization Control | Hardware pin selecting one of four equalization gain settings for input signal recovery. |
| DE | De-Emphasis Control | Hardware pin selecting de-emphasis level (0 dB / −3.5 dB / −6 dB) on TX output. |
Key Features
| Feature | Design Value |
|---|---|
| USB 3.0 Protocol Compliance | Fully compliant with USB 3.0 SuperSpeed electrical specifications - no firmware or host-side driver changes required. |
| Auto Slumber Mode | Enters low-power state automatically during signal inactivity, reducing system standby power without external control. |
| Input Signal Detection | Detects presence/absence of valid CML-level input to enable squelch and initiate receiver detect sequencing. |
| AEC-Q100 Qualification | Qualified to Grade 2 temperature range and stress test requirements for automotive serial link applications. |
Applications
| Automotive Infotainment | Multi-View Camera Systems |
|---|---|
Use Scenario: Extending USB 3.0 signals from head unit SoC to rear-seat display or wireless dongle over 15–30 cm flex cable. IC Role / Device Role / Timing Role: ReDriver restoring signal integrity post-cable loss while maintaining USB 3.0 timing budgets. Use Value: Enables reliable 5.0 Gbps video streaming without protocol renegotiation or added latency. | Use Scenario: Routing high-resolution sensor data from four surround-view cameras to central ADAS processor via shared USB 3.0 switch fabric. IC Role / Device Role / Timing Role: Channel-specific signal regeneration with independent receiver detect per link. Use Value: Eliminates need for active repeaters or retimers with complex configuration, reducing BOM count. |
| USB 3.0 Cable Extension | Industrial Machine Vision |
Use Scenario: Boosting signal reach beyond standard 2-meter USB 3.0 passive cable limit using 3-meter shielded assembly. IC Role / Device Role / Timing Role: Input equalization compensates for frequency-dependent attenuation; output de-emphasis mitigates ISI at far-end connector. Use Value: Achieves error-free transmission at full bandwidth without altering host/device firmware or topology. | Use Scenario: Connecting high-speed CMOS image sensors to embedded vision controller over extended PCB traces in factory automation equipment. IC Role / Device Role / Timing Role: Single-channel ReDriver placed at trace midpoint to restore eye opening degraded by FR4 loss. Use Value: Avoids layer stack-up redesign or costly controlled-impedance routing while meeting USB 3.0 jitter specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB 3.0 signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TS3USB30E from Texas Instruments | Passive analog switch (no equalization/re-driving); 5.0 Gbps rated but no signal restoration capability. | Suitable only for short, low-loss paths where signal integrity is already preserved. | Select when cost and power are critical and channel loss < 6 dB; not a functional replacement for ReDriver use cases. |
| USB3320 from Microchip | Full USB 3.0 transceiver with PHY + MAC; requires host-side driver support and configuration registers. | Used in endpoint devices (e.g., USB peripherals), not as a transparent signal extender. | Choose only when adding USB device functionality - not for transparent signal boosting between existing USB links. |
Compared with TS3USB30E and USB3320, the PI3EQX501BQZAEX uniquely delivers transparent, protocol-agnostic signal restoration with hardware-configurable equalization and automotive qualification - essential for extending native USB 3.0 links in space- and reliability-constrained environments.
Availability
PI3EQX501BQZAEX is available at Aetrix Electronics and suitable for automotive infotainment, multi-view camera systems, and industrial machine vision applications requiring stable component supply and AEC-Q100 assurance.
Supply support for PI3EQX501BQZAEX 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 protection solutions for automotive, industrial, and consumer markets.
The PI3EQX501BQZAEX belongs to Diodes' USB ReDriver product line, engineered specifically to extend USB 3.0 signal reach in automotive-grade serial interconnects without protocol intervention or host-side software changes.
FAQ
Is PI3EQX501BQZAEX pin-compatible with earlier revisions like PI3EQX501BQZAE?
Yes - PI3EQX501BQZAEX is a tape-and-reel variant of the same die and package as PI3EQX501BQZAE, with identical pinout, electrical behavior, and thermal characteristics. The 'X' suffix denotes packaging format only, not functional revision.
Does PI3EQX501BQZAEX require external configuration or I²C programming?
No - all functions including equalization level (via EQ pin) and de-emphasis strength (via DE pin) are set by hardwired logic levels. No clock, I²C bus, or firmware initialization is needed; it operates as a transparent signal path on power-up.
What is the function of the receiver detect feature and how does it interact with slumber mode?
The receiver detect circuit monitors RXP/RXN for valid signal activity. After 7.3 ms of inactivity, it initiates unplug detection; if no load is confirmed, the channel enters Unplug Mode. Otherwise, it returns to Slumber Mode - a low-power state preserving bias but disabling output drivers until signal resumes.
Can PI3EQX501BQZAEX be used with USB 3.1 Gen 1 sources or sinks?
Yes - USB 3.1 Gen 1 is electrically identical to USB 3.0 SuperSpeed (5.0 Gbps). The PI3EQX501BQZAEX meets all USB-IF electrical compliance requirements for this data rate and has been validated in Gen 1 host-to-peripheral and dock-to-display configurations.
PI3EQX501BQZAEX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- ReDriver™
- Package/Case:
- 8-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Buffer, ReDriver
- Applications:
- USB 3.0
- Input:
- CML
- Output:
- CML
- Data Rate (Max):
- 5Gbps
- Number of Channels:
- 1
- Delay Time:
- -
- Signal Conditioning:
- Input Equalization, Output De-Emphasis
- Capacitance - Input:
- -
- Voltage - Supply:
- 3.3V
- Current - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN (2x2)
PI3EQX501BQZAEX FAQ
1.How can I place an order for PI3EQX501BQZAEX through Aetrix?
Please submit a Request for Quotation (RFQ) for PI3EQX501BQZAEX 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 PI3EQX501BQZAEX reliable?
The price and inventory of PI3EQX501BQZAEX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI3EQX501BQZAEX is usually 5 days.
3.What payment methods are accepted for PI3EQX501BQZAEX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI3EQX501BQZAEX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI3EQX501BQZAEX?
PI3EQX501BQZAEX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI3EQX501BQZAEX 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 PI3EQX501BQZAEX?
For technical support, including PI3EQX501BQZAEX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI3EQX501BQZAEX requirements.
6.How does Aetrix verify that PI3EQX501BQZAEX is sourced from the original manufacturer or authorized distributors?
All PI3EQX501BQZAEX 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 PI3EQX501BQZAEX meets industry standards.
7.What is the process for return or replacement of PI3EQX501BQZAEX?
All PI3EQX501BQZAEX units undergo pre-shipment inspection (PSI). If there is an issue with PI3EQX501BQZAEX, 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 PI3EQX501BQZAEX part is unused and in its original packaging.
Return procedure for PI3EQX501BQZAEX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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