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Texas Instruments TPD2E2U06QDBZRQ1
- Part No.:
- TPD2E2U06QDBZRQ1
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
TPD2E2U06QDBZRQ1.pdf
- Description:
- TVS DIODE 5.5VWM 12.4VC SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:8,661
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Product details
Overview
TPD2E2U06QDBZRQ1 from Texas Instruments is an automotive-grade dual-channel ESD protection diode array designed for high-speed signal lines. It delivers ±25-kV IEC 61000-4-2 contact ESD protection, 1.5-pF typical line capacitance, and 6.5-V minimum DC breakdown voltage-enabling robust USB 2.0, LVDS, and I²C interface protection in head units and telematics modules.
For engineers reviewing the TPD2E2U06QDBZRQ1 datasheet, TPD2E2U06QDBZRQ1 pinout, TPD2E2U06QDBZRQ1 application, or TPD2E2U06QDBZRQ1 equivalent, key selection criteria include low clamping voltage (9.7 V at 1 A), ultra-low leakage (≤10 nA), AEC-Q101 qualification, and compatibility with 5.5-V signal rails in automotive infotainment systems.
Technical Context
The TPD2E2U06QDBZRQ1 is a passive bidirectional TVS diode array with two identical ESD protection channels sharing a common GND terminal. Each channel features symmetrical clamping behavior-9.7 V clamp (IO→GND) and 1.9 V clamp (GND→IO) at 1 A TLP-ensuring balanced surge suppression for differential or single-ended data lines.
Its operation relies on low-dynamic-resistance silicon diodes (RDYN = 0.6 Ω IO→GND, 0.4 Ω GND→IO) that trigger above 6.5 V and recover within nanoseconds. The device operates across –40°C to +125°C and requires no power supply, making it suitable for unpowered front-end protection of automotive serial interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±25 kV contact / ±30 kV air-gap-meets Level 4 immunity for automotive exterior handling and assembly environments. |
| Line Capacitance (CL) | 1.5 pF typical at 1 MHz and 2.5 V bias-preserves signal integrity for USB 2.0 (480 Mbps) and LVDS links without measurable insertion loss up to 1 GHz. |
| DC Breakdown Voltage (VBR) | 6.5 V minimum at 1 mA-ensures reliable protection above 5.5-V signal rails while avoiding false triggering during normal operation. |
| Clamping Voltage (VCLAMP) | 9.7 V at 1 A TLP (IO→GND)-limits transient overvoltage seen by downstream transceivers to safe levels during ESD events. |
| Leakage Current (ILEAK) | ≤10 nA at 2.5 V-prevents signal degradation or bias shift in high-impedance I²C and antenna control paths. |
| Operating Temperature | –40°C to +125°C-fully qualified for under-hood and dashboard-mounted automotive electronics per AEC-Q101. |
| Package | SOT-23 (DBZ), 3-pin, 2.92 mm × 1.30 mm footprint-enables compact, flow-through routing adjacent to USB or LVDS connectors. |
Pinout & Package
SOT-23 (DBZ) package: 3-pin surface-mount, 2.92 mm × 1.30 mm body, 1.12 mm max height, tape-and-reel (3000 pcs/reel), MSL Level-2-260°C-1 year.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IO1) | I/O protection channel 1 | Connects directly to first high-speed signal line (e.g., USB D+); clamps ESD transients to GND via internal diode. |
| 2 (IO2) | I/O protection channel 2 | Connects directly to second high-speed signal line (e.g., USB D−); electrically identical and independent of IO1. |
| 3 (GND) | Common ground reference | Low-inductance return path for both ESD current paths; must be tied to system ground plane with minimal trace length. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use including HBM ±10 kV and CDM ±1 kV-enables deployment in safety-critical infotainment ECUs without additional qualification effort. |
| Dual-channel symmetry | Identical electrical characteristics on IO1 and IO2-simplifies layout for differential pairs and eliminates channel-matching constraints. |
| Ultra-low capacitance variation | ΔCL ≤ 0.1 pF between channels-maintains impedance balance and minimizes skew in high-speed differential signaling (e.g., USB 2.0). |
| Low dynamic resistance | RDYN = 0.4–0.6 Ω-reduces clamping voltage rise under high-current ESD pulses, improving protection margin for sensitive PHYs. |
| Flow-through pinout | Pins 1–2–3 arranged linearly-supports straight PCB trace routing from connector to transceiver, minimizing stub length and reflections. |
Applications
| USB 2.0 Interface Protection | LVDS Display Link Protection |
|---|---|
Use Scenario: Protecting D+/D− lines of a USB 2.0 port in an automotive head unit against ESD from user interaction. IC Role / Device Role / Timing Role: Passive ESD clamp placed between USB connector and USB transceiver IC, triggered only during transients. Use Value: 1.5-pF capacitance avoids signal integrity degradation at 480 Mbps; 9.7-V clamping prevents damage to 3.3-V transceiver I/O cells. |
Use Scenario: Shielding LVDS clock/data pairs driving a rear-seat entertainment display from ESD coupling via ribbon cable connectors. IC Role / Device Role / Timing Role: Dual-channel TVS suppressing common-mode and differential ESD surges before they reach the display timing controller. Use Value: Matched channel capacitance (ΔCL ≤ 0.1 pF) preserves differential skew; –40°C to +125°C rating ensures reliability in cabin temperature extremes. |
| I²C Sensor Bus Protection | Automotive Antenna Control Line Protection |
Use Scenario: Safeguarding I²C SDA/SCL lines connecting microcontroller to ambient light and proximity sensors in a center console. IC Role / Device Role / Timing Role: Low-leakage (≤10 nA) ESD shunt placed at sensor connector to prevent false interrupts or bus lockup during ESD events. Use Value: Near-zero DC loading preserves pull-up resistor function; 6.5-V VBR avoids interference with 3.3-V I²C logic thresholds. |
Use Scenario: Protecting RF antenna tuning control lines (e.g., varactor bias) in a diversity antenna module from static discharge during vehicle service. IC Role / Device Role / Timing Role: High-impedance ESD path for low-current analog control signals, preventing gate oxide damage in tuning ICs. Use Value: 1.5-pF capacitance avoids detuning of RF matching networks; ±25-kV contact rating covers technician-handling scenarios. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001QDBZRQ1 | Single-channel, 1.0-pF capacitance, 5.5-V VBR, same DBZ package | Limited to single-line protection; lower capacitance suits >1-Gbps interfaces but lacks dual-channel integration | Select when protecting isolated single-ended lines (e.g., UART) where space or cost outweighs dual-channel benefit |
| ESD5451N-2/TR | Dual-channel, 0.6-pF capacitance, 5.5-V VBR, SOT-23-3, non-AEC-Q101 | Higher ESD rating (±30-kV contact) but no automotive qualification; narrower operating range (–40°C to +85°C) | Acceptable for industrial or consumer USB ports where AEC-Q101 and extended temperature are not required |
Compared with TPD2E2U06QDBZRQ1, TPD2E001QDBZRQ1 reduces capacitance by 0.5 pF but sacrifices dual-channel integration, while ESD5451N-2/TR offers lower capacitance and higher ESD rating but lacks automotive qualification and thermal robustness-making TPD2E2U06QDBZRQ1 the optimal choice for production automotive USB/LVDS systems requiring AEC-Q101 compliance and matched dual-channel performance.
Availability
TPD2E2U06QDBZRQ1 is available at Aetrix Electronics and suitable for automotive head units, telematics control units, and rear-seat entertainment systems requiring stable component supply, AEC-Q101 assurance, and long-term lifecycle support.
Supply support for TPD2E2U06QDBZRQ1 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
Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and automotive electronics, with decades of leadership in ESD protection innovation.
The TPD2E2U06-Q1 product line was developed specifically for automotive infotainment and ADAS interfaces, emphasizing low capacitance, AEC-Q101 reliability, and seamless integration into high-speed serial data paths.
FAQ
What is the primary function of the TPD2E2U06QDBZRQ1 in an automotive USB 2.0 design?
The TPD2E2U06QDBZRQ1 serves as a dual-channel ESD protection device placed between the USB 2.0 connector and transceiver IC. It clamps transient voltages-such as ±25-kV IEC contact discharges-to safe levels (e.g., 9.7 V at 1 A) while adding only 1.5 pF of capacitance, preserving signal integrity at 480 Mbps. Its AEC-Q101 qualification ensures reliability in automotive environments.
Does the TPD2E2U06QDBZRQ1 require any external power or biasing?
No, the TPD2E2U06QDBZRQ1 is a passive TVS diode array and requires no external power, bias, or control signals. It operates solely based on voltage thresholds: it remains high-impedance below 6.5 V and conducts ESD current to GND when triggered. This simplifies integration and eliminates power domain dependencies in USB or LVDS designs.
How does the pinout of the TPD2E2U06QDBZRQ1 support PCB layout for high-speed interfaces?
The TPD2E2U06QDBZRQ1 uses a linear 1–2–3 pinout in the DBZ (SOT-23) package, enabling flow-through routing where IO1 and IO2 connect directly to adjacent signal traces (e.g., USB D+ and D−), and Pin 3 (GND) ties to a local ground pour. This minimizes stub length, reduces parasitic inductance, and maintains controlled impedance-critical for maintaining USB 2.0 eye diagrams.
Can the TPD2E2U06QDBZRQ1 protect both differential and single-ended signals?
Yes-the TPD2E2U06QDBZRQ1 protects each I/O line independently to GND, making it suitable for both differential pairs (e.g., USB D+/D−, LVDS) and single-ended signals (e.g., I²C SDA, antenna control). Its symmetrical clamping (9.7 V IO→GND, 1.9 V GND→IO) and matched 1.5-pF capacitance per channel ensure balanced performance without skew or imbalance.
What is the significance of the 10-nA maximum leakage current specification for the TPD2E2U06QDBZRQ1?
The ≤10-nA leakage current at 2.5 V ensures minimal DC loading on high-impedance nodes-such as I²C pull-up resistors or RF antenna tuning control lines-preventing voltage droop, false logic states, or drift in analog bias points. This enables reliable operation in battery-sensitive or precision-sensing automotive subsystems without compromising signal fidelity.
TPD2E2U06QDBZRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5.5V (Max)
- Voltage - Breakdown (Min):
- 6.5V
- Voltage - Clamping (Max) @ Ipp:
- 12.4V (Typ)
- Current - Peak Pulse (10/1000µs):
- 5.5A (8/20µs)
- Power - Peak Pulse:
- 75W
- Power Line Protection:
- Yes
- Applications:
- Ethernet
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
TPD2E2U06QDBZRQ1 FAQ
1.How can I place an order for TPD2E2U06QDBZRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPD2E2U06QDBZRQ1 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 TPD2E2U06QDBZRQ1 reliable?
The price and inventory of TPD2E2U06QDBZRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPD2E2U06QDBZRQ1 is usually 5 days.
3.What payment methods are accepted for TPD2E2U06QDBZRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPD2E2U06QDBZRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPD2E2U06QDBZRQ1?
TPD2E2U06QDBZRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPD2E2U06QDBZRQ1 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 TPD2E2U06QDBZRQ1?
For technical support, including TPD2E2U06QDBZRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPD2E2U06QDBZRQ1 requirements.
6.How does Aetrix verify that TPD2E2U06QDBZRQ1 is sourced from the original manufacturer or authorized distributors?
All TPD2E2U06QDBZRQ1 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 TPD2E2U06QDBZRQ1 meets industry standards.
7.What is the process for return or replacement of TPD2E2U06QDBZRQ1?
All TPD2E2U06QDBZRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPD2E2U06QDBZRQ1, 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 TPD2E2U06QDBZRQ1 part is unused and in its original packaging.
Return procedure for TPD2E2U06QDBZRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPD2E2U06QDBZRQ1 Tags
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