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TPD4EUSB30DQAR

4-ch ESD for USB 3.0, 0.25pF, +/-8kV IEC, 10Gbps, flow-through UQFN-10

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Manufacturer Part：

TPD4EUSB30DQAR

Package：

UQFN-10 (2.5 x 1.0 x 0.55 mm, DQA package)

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Description

Product Overview

The TPD4EUSB30DQAR from Texas Instruments is a 4-channel ESD protection diode array designed for USB 3.0 interfaces, providing IEC 61000-4-2 Level 4 ESD protection with 0.25pF line capacitance in a UQFN-10 package.

Key Specifications

Channels 4 (differential pairs)
ESD Rating (IEC 61000-4-2) +/-8kV Contact, +/-15kV Air Gap
Line Capacitance 0.25 pF (typ, data lines)
Clamping Voltage 7.5V @ IPP=3.5A (8kV IEC)
Working Voltage (VRWM) 3.6V
Breakdown Voltage 6.5V (min)
Leakage Current 0.1 nA (typ)
Dynamic Resistance 0.3 ohm (typ)
Data Rate Support Up to 10 Gbps (USB 3.1 Gen 2)
Package UQFN-10 (2.5 x 1.0 x 0.55mm)
Operating Temperature -40 to +125 C

Features

  • Ultra-low 0.25pF line capacitance for 10Gbps signals
  • IEC 61000-4-2 Level 4 ESD protection (+/-8kV contact)
  • Optimized pinout for USB 3.0/3.1 differential pairs
  • 0.3 ohm dynamic resistance for low clamping voltage
  • Flow-through routing for easy PCB layout

Applications

  • USB 3.0/3.1 port ESD protection
  • HDMI 2.0 interface protection
  • DisplayPort ESD protection
  • Other high-speed differential interfaces

The TPD4EUSB30DQAR from Texas Instruments is a 4-channel transient voltage suppression (TVS) diode array specifically designed to protect USB 3.0 and USB 3.1 SuperSpeed differential signal pairs from electrostatic discharge (ESD) and electrical fast transient (EFT) events. The device features ultra-low line capacitance of 0.25pF typical, which preserves signal integrity at data rates up to 10Gbps (USB 3.1 Gen 2) by minimizing insertion loss, return loss, and intra-pair skew on the high-speed differential pairs. The TPD4EUSB30 provides IEC 61000-4-2 Level 4 ESD protection at +/-8kV contact discharge and +/-15kV air-gap discharge, meeting the rigorous ESD requirements for consumer electronics with exposed USB ports. The low dynamic resistance of 0.3 ohm typical ensures a low clamping voltage of 7.5V at the rated 8kV IEC discharge current, keeping the protected transceiver within safe voltage limits. The flow-through pinout routes the differential pairs straight through the device, simplifying PCB layout and maintaining signal path symmetry for optimal high-speed performance. The working voltage of 3.6V accommodates the USB 3.0 signal swing with adequate margin. The device is housed in a tiny UQFN-10 package (2.5 x 1.0 x 0.55mm) that fits in the limited space near USB connectors on modern devices.

The TPD4EUSB30DQAR operates as a bidirectional TVS diode array for high-speed differential signal ESD protection. Key subsystems include: (1) ESD Clamp Diodes – each data line has a steering diode to the VCC rail and a steering diode to the GND rail; when a positive ESD event occurs on a data line, the diode to VCC conducts, shunting the ESD current to the VCC bypass capacitor; for negative events, the diode to GND conducts; (2) Ultra-Low Capacitance – the steering diodes are designed with minimum junction area to achieve 0.25pF capacitance; this low capacitance is critical for high-speed signals because it minimizes signal degradation (insertion loss and eye diagram degradation) at data rates up to 10Gbps; (3) Dynamic Resistance – the 0.3 ohm dynamic resistance represents the slope of the I-V curve during ESD clamping; lower dynamic resistance means lower clamping voltage for a given ESD current, providing better protection; the low clamping voltage of 7.5V at 8kV IEC is well below the typical USB transceiver absolute maximum of 5.5V plus margin; (4) Flow-Through Routing – the pinout places D+ and D- of each differential pair on adjacent pins, allowing the signal traces to pass straight through the device without vias or stubs, minimizing signal path asymmetry and intra-pair skew.

Pin Name Function
1 GND Ground
2 D1+ Channel 1 positive (SSTX+)
3 D1- Channel 1 negative (SSTX-)
4 D2+ Channel 2 positive (SSRX+)
5 D2- Channel 2 negative (SSRX-)
6 VCC Bias/supply rail (bypass to GND)
7 D3- Channel 3 negative (SSRX-)
8 D3+ Channel 3 positive (SSRX+)
9 D4- Channel 4 negative (SSTX-)
10 D4+ Channel 4 positive (SSTX+)
  • USB 3.0 Type-A port: protect SSTX+/SSTX- and SSRX+/SSRX- differential pairs at 5Gbps
  • USB 3.1 Type-C: protect SuperSpeed pairs at 10Gbps with 0.25pF capacitance
  • HDMI 2.0: protect TMDS clock and data pairs at 6Gbps per lane
  • DisplayPort: protect Main Link differential pairs at 5.4Gbps per lane (HBR2)
Manufacturer Part Number Package Notes
TI TPD4E05U06DQAR UQFN-10 5V working voltage version
onsemi NXP4527DMUTWG UDFN-10 4-ch ESD for USB 3.0
Nexperia PRTR5V0U2X SOT-363 2-ch USB 2.0 ESD
TI TPD6E05U06RVSR WCSP-6 6-ch 5V ESD for USB Type-C
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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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