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Texas Instruments TPD4E001RDBVR
- Part No.:
- TPD4E001RDBVR
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- SOT-23-6
- Datasheet:
-
TPD4E001RDBVR.pdf
- Description:
- TVS DIODE 5.5VWM 17VC SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:16,065
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Product details
Overview
TPD4E001RDBVR from Texas Instruments is a four-channel unidirectional ESD protection diode array designed for high-speed data interfaces. It delivers ±8kV contact / ±15kV air-gap IEC 61000-4-2 Level 4 ESD protection, 1.5pF typical IO capacitance per channel, <1nA maximum leakage current, and operates across 0.9V–5.5V supply range. It is deployed at USB 2.0 connector ingress points to safeguard host controllers from electrostatic discharge.
For engineers reviewing the TPD4E001RDBVR datasheet, TPD4E001RDBVR pinout, TPD4E001RDBVR application, or TPD4E001RDBVR equivalent, key selection criteria include low-capacitance signal integrity preservation, precise clamping voltage behavior under ±8kV/±15kV transients, VCC-bypass capacitor integration requirements, and SOT-23 (DBV) package layout compatibility with high-density USB or LVDS routing.
Technical Context
The TPD4E001RDBVR implements a central ESD clamp architecture with two diodes per line referenced to both GND and VCC, enabling bidirectional transient suppression on IO pins while protecting the VCC rail. Its unidirectional configuration requires VCC connection to clamp positive overvoltage events above VCC + VF and negative events below GND.
During an ESD event, the device triggers within nanoseconds when IO voltage exceeds breakdown (11V) or drops below −0.6V, diverting surge current (up to 5.5A, 8/20µs) to GND and VCC. Post-event, it returns to high-impedance state with ≤1nA leakage, preserving signal fidelity in precision analog paths like glucose meter sensor interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±8kV contact / ±15kV air-gap - meets Level 4 immunity for industrial and consumer USB/Ethernet ports |
| IO Capacitance (per channel) | 1.5pF @ 10MHz, VCC/2 bias - enables minimal signal distortion on 480Mbps USB 2.0 differential pairs |
| Leakage Current | ≤1nA max @ VCC = 5.5V - preserves accuracy in microamp-level analog sensing circuits (e.g., glucose meters) |
| Clamp Voltage (VC) | VCC + 60V @ ±8kV contact discharge - limits stress on downstream PHY ICs during real-world ESD events |
| Supply Range | 0.9V to 5.5V - supports direct integration with 1.8V, 3.3V, and 5V interface rails without level-shifting |
| Peak Pulse Current | 5.5A (8/20µs waveform) - sustains single-event surge energy without degradation in repeated ESD exposure |
| Operating Temperature | −40°C to +85°C - qualified for industrial-grade embedded systems and portable medical devices |
Pinout & Package
SOT-23 (DBV) 6-pin package: 1.60mm × 1.20mm body size, 0.95mm height, gull-wing leads, RoHS-compliant NiPdAu/Sn finish, MSL Level-1 (260°C reflow unlimited).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IO1) | ESD-protected input/output | First protected signal line (e.g., USB D+ for Port 1); connects directly to connector pin |
| 2 (VCC) | Power-supply reference | Bias node for clamping network; must be bypassed to GND with 0.1µF ceramic capacitor near device |
| 3 (IO2) | ESD-protected input/output | Second protected signal line (e.g., USB D– for Port 1); symmetric layout critical for differential pair integrity |
| 4 (IO3) | ESD-protected input/output | Third protected signal line (e.g., USB D– for Port 2); enables dual-port protection with single device |
| 5 (GND) | Ground reference | Low-inductance return path for ESD current; must connect to solid ground plane with short trace |
| 6 (IO4) | ESD-protected input/output | Fourth protected signal line (e.g., USB D+ for Port 2); completes four-channel protection set |
Key Features
| Feature | Design Value |
|---|---|
| Low IO capacitance | 1.5pF typical per channel - maintains signal rise/fall times and impedance matching on 240MHz+ interfaces |
| Ultra-low leakage | <1nA max - avoids DC offset errors in high-impedance sensor front-ends (e.g., electrochemical biosensors) |
| VCC-referenced clamping | Clamps positive transients to VCC + VF and negatives to GND - eliminates need for external TVS on power rail |
| Compact SOT-23 footprint | 1.6mm × 1.2mm area - fits within tight spacing constraints of mini-USB or micro-USB PCB layouts |
| IEC Level 4 certified | ±8kV contact / ±15kV air-gap - satisfies end-equipment compliance requirements for CE, FCC, and UL listings |
Applications
| USB 2.0 Interface Protection | Ethernet PHY Protection |
|---|---|
Use Scenario: Protecting D+/D− lines of Type-A or Micro-B USB connectors against user-handling ESD events in portable medical devices and industrial HMIs. IC Role / Device Role / Timing Role: Four-channel passive ESD suppressor placed at board edge, clamping transients before they reach USB transceiver IC. Use Value: Prevents lockup or damage to USB PHY during ±8kV contact discharge, maintaining 480Mbps link reliability without adding series resistance or capacitance. |
Use Scenario: Safeguarding 10/100BASE-TX MDI differential pairs on RJ-45 magnetics modules in networked industrial controllers. IC Role / Device Role / Timing Role: Low-capacitance ESD array connected between transformer secondary and PHY IC inputs. Use Value: Maintains Ethernet signal integrity (TDR impedance match) while suppressing ±15kV air-gap discharges that could otherwise corrupt auto-negotiation or cause packet loss. |
| LVDS Display Interface | Glucose Meter Sensor Interface |
Use Scenario: Shielding 650Mbps LVDS clock/data pairs driving SVGA-resolution displays in kiosk and diagnostic imaging equipment. IC Role / Device Role / Timing Role: ESD protection element placed immediately after display connector, before LVDS receiver termination. Use Value: Limits added capacitance to ≤1.5pF per line, preventing jitter increase or eye diagram closure at 240MHz fundamental frequency. |
Use Scenario: Guarding electrochemical sensor electrodes and analog front-end inputs in Class II FDA-cleared glucose monitoring systems. IC Role / Device Role / Timing Role: Precision ESD guard on sensor input traces, where leakage must not perturb sub-µA current measurements. Use Value: Delivers <1nA leakage at 5.5V bias, ensuring measurement accuracy remains within ±2% full-scale error specification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E1U06DBVR | Lower IO capacitance (0.5pF), lower clamping voltage (VCC + 12V @ 8kV), no input capacitor required | Better suited for >1Gbps interfaces (e.g., USB 3.0 SS, MIPI D-PHY); higher cost and tighter layout tolerance | Select TPD4E1U06DBVR when upgrading from USB 2.0 to USB 3.0 or when clamping voltage margin is critical for 1.2V/1.8V PHYs |
| TPD2E001DBVR | Two-channel version, identical 1.5pF/±8kV spec, same SOT-23 package | Used where only two high-speed lines require protection (e.g., single USB port, FireWire TPB/TPA) | Choose TPD2E001DBVR to reduce BOM count and PCB area when protecting exactly two signals instead of four |
Compared with TPD4E001RDBVR, TPD4E1U06DBVR offers superior high-frequency performance but demands stricter layout control, while TPD2E001DBVR provides identical protection per channel at half the channel count-enabling optimized cost and space allocation for simpler interface topologies.
Availability
TPD4E001RDBVR is available at Aetrix Electronics and suitable for USB 2.0 interface protection, industrial Ethernet PHY safeguarding, and precision analog sensor guarding requiring stable component supply across production lifecycles.
Supply support for TPD4E001RDBVR 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The TPD4E001RDBVR belongs to TI's ESD protection diode array product line, engineered specifically for high-speed digital interface robustness-balancing ultra-low capacitance, guaranteed IEC Level 4 compliance, and seamless integration into space-constrained PCB layouts.
FAQ
What is the primary function of the TPD4E001RDBVR in a circuit?
The TPD4E001RDBVR functions as a four-channel unidirectional ESD protection diode array that diverts electrostatic discharge energy away from sensitive downstream ICs. It clamps transient voltages on IO1–IO4 to safe levels by steering current to GND and VCC, while maintaining signal integrity via its 1.5pF per-channel capacitance. The TPD4E001RDBVR is not a voltage regulator or active driver-it operates passively only during overvoltage events.
Does the TPD4E001RDBVR require an external bypass capacitor, and if so, where is it placed?
Yes, the TPD4E001RDBVR requires a 0.1µF ceramic capacitor placed between the VCC pin (Pin 2) and GND (Pin 5), located as close as possible to the device. This capacitor stabilizes the VCC reference during ESD events, preventing voltage sag that could compromise clamping performance. The TPD4E001RDBVR datasheet specifies this as mandatory for reliable operation under ±8kV contact discharge conditions.
Can the TPD4E001RDBVR be used with 1.8V or 2.5V logic interfaces?
Yes, the TPD4E001RDBVR supports supply voltages from 0.9V to 5.5V, making it fully compatible with 1.8V and 2.5V logic interfaces. Its clamping behavior scales with VCC: for example, at 1.8V supply, positive transients clamp to approximately VCC + 25V (i.e., ~26.8V), which remains within safe operating limits for most 1.8V PHYs. The TPD4E001RDBVR's leakage current stays below 1nA across this entire voltage range.
How does the TPD4E001RDBVR differ from the TPD4E001DBVR part number?
The TPD4E001RDBVR is a specific orderable variant of the TPD4E001 family in SOT-23 (DBV) package, distinguished by its unique marking "NRYF" and qualification for production use with NIPDAU/Sn lead finish. While functionally identical to TPD4E001DBVR in electrical specs and pinout, the "R" suffix denotes TI's standardized production release status, updated material content, and traceable lot coding-ensuring consistent reliability and long-term supply chain alignment for volume manufacturing of the TPD4E001RDBVR.
Is the TPD4E001RDBVR suitable for protecting bidirectional data lines like I²C or SPI?
No-the TPD4E001RDBVR is a unidirectional ESD protector optimized for high-speed, single-ended or differential data lines (e.g., USB D+/D−, LVDS) where signal swing remains within 0V to VCC. It is not recommended for true bidirectional buses like I²C or SPI because its internal diode structure clamps negative excursions below GND and positive excursions above VCC, potentially interfering with open-drain pull-up operation or violating voltage tolerances on mixed-voltage nodes. For such interfaces, TI recommends dedicated bidirectional arrays like TPD2EUSB30 or TPD3E001.
TPD4E001RDBVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SOT-23-6
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 4
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5.5V (Max)
- Voltage - Breakdown (Min):
- 11V
- Voltage - Clamping (Max) @ Ipp:
- 17V (Typ)
- Current - Peak Pulse (10/1000µs):
- 5.5A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- Yes
- Applications:
- Ethernet, USB
- Capacitance @ Frequency:
- 1.5pF @ 10MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
TPD4E001RDBVR FAQ
1.How can I place an order for TPD4E001RDBVR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPD4E001RDBVR 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 TPD4E001RDBVR reliable?
The price and inventory of TPD4E001RDBVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPD4E001RDBVR is usually 5 days.
3.What payment methods are accepted for TPD4E001RDBVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPD4E001RDBVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPD4E001RDBVR?
TPD4E001RDBVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPD4E001RDBVR 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 TPD4E001RDBVR?
For technical support, including TPD4E001RDBVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPD4E001RDBVR requirements.
6.How does Aetrix verify that TPD4E001RDBVR is sourced from the original manufacturer or authorized distributors?
All TPD4E001RDBVR 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 TPD4E001RDBVR meets industry standards.
7.What is the process for return or replacement of TPD4E001RDBVR?
All TPD4E001RDBVR units undergo pre-shipment inspection (PSI). If there is an issue with TPD4E001RDBVR, 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 TPD4E001RDBVR part is unused and in its original packaging.
Return procedure for TPD4E001RDBVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPD4E001RDBVR Tags
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Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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