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Texas Instruments TPD4E001DRLR
- Part No.:
- TPD4E001DRLR
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- SOT-563, SOT-666
- Datasheet:
-
TPD4E001DRLR.pdf
- Description:
- TVS DIODE 5.5VWM 6SOT
- Quantity:
- Payment:
- Shipping:
Inventory:8,007
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Product details
Overview
TPD4E001DRLR 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 - enabling robust protection of USB 2.0 D+/D− lines without signal integrity degradation.
For engineers reviewing the TPD4E001DRLR datasheet, TPD4E001DRLR pinout, TPD4E001DRLR application, or TPD4E001DRLR equivalent, key selection criteria include low-capacitance ESD clamping performance, VCC-referenced transient suppression architecture, thermal resistance (RθJA = 226.4°C/W), and compatibility with space-constrained SOT-5X3 layouts near high-speed connectors.
Technical Context
The TPD4E001DRLR implements a central ESD clamp topology with two internal diodes per IO line, referenced to both GND and VCC to protect signal and power rails simultaneously. Its unidirectional configuration enables clamping above VCC + VF and below GND – 0.6V, with trigger response under 10ns during ±15kV transients.
Each channel features a 5.5V reverse stand-off voltage (VRWM), 11V breakdown voltage (VBR), and clamps to ≤VCC + 100V (positive) or ≥–100V (negative) under ±15kV IEC air-gap discharge at 45A peak pulse. The device remains in high-impedance state during normal operation due to sub-1nA leakage.
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 typical at 10MHz - preserves signal integrity up to 240MHz USB 2.0 operation |
| Leakage Current | <1nA max at VCC = 5.5V - avoids measurement error in precision analog front-ends (e.g., glucose meters) |
| Clamp Voltage (VC) | VCC + 60V / –60V at ±8kV contact - limits stress on downstream PHY ICs during ESD events |
| Supply Range (VCC) | 0.9V to 5.5V - supports 1.8V, 3.3V, and 5V interface logic without level-shifting |
| Absolute Max IO Voltage | –0.3V to VCC + 0.3V - defines safe operating window for protected signal lines |
| Thermal Resistance (RθJA) | 226.4°C/W (DRL package) - informs PCB copper area requirements for sustained surge handling |
Pinout & Package
SOT-5X3 (DRL) package: 1.60mm × 1.20mm body, 6-pin surface-mount, exposed pad optional, rated for –40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IO1 | Protected signal input/output | ESD-protected bidirectional data line (e.g., USB D+) |
| IO2 | Protected signal input/output | ESD-protected bidirectional data line (e.g., USB D–) |
| GND | Ground reference | Primary return path for ESD current; must be low-inductance connection to system ground plane |
| VCC | Power-supply reference | Enables VCC-referenced clamping; bypass with 0.1µF ceramic capacitor to GND |
| IO3 | Protected signal input/output | ESD-protected bidirectional data line (e.g., second USB port D–) |
| IO4 | Protected signal input/output | ESD-protected bidirectional data line (e.g., second USB port D+) |
Key Features
| Feature | Design Value |
|---|---|
| Uni-directional ESD clamp architecture | Enables precise VCC-referenced clamping without forward-biasing during normal signal swings |
| Central dual-diode per line design | Reduces parasitic capacitance vs. conventional TVS arrays while maintaining full IEC Level 4 compliance |
| VCC pin integration | Protects both signal lines and power rail simultaneously - eliminates need for separate VCC TVS |
| Sub-1nA leakage at 5.5V | Prevents DC offset errors in medical-grade analog sensors (e.g., glucose meter electrodes) |
| Low RθJA (226.4°C/W) | Supports reliable 5.5A 8/20µs surge dissipation in compact SOT-5X3 footprint without thermal derating |
Applications
| USB 2.0 Interface Protection | Ethernet PHY Protection |
|---|---|
Use Scenario: Protecting D+/D− lines of Type-A/B USB 2.0 connectors against user-handling ESD events in portable medical devices. IC Role / Device Role / Timing Role: Four-channel ESD suppressor placed within 5mm of connector, clamping transients before they reach USB transceiver IC. Use Value: 1.5pF capacitance prevents signal rise-time degradation at 480Mbps; ±8kV contact rating exceeds IEC 61000-4-2 requirement for handheld equipment. | Use Scenario: Safeguarding differential pairs in 10/100BASE-TX Ethernet PHYs on industrial control gateways. IC Role / Device Role / Timing Role: Bidirectional ESD protection for TX+/TX− and RX+/RX− lanes, referenced to local VCC and chassis GND. Use Value: Low leakage ensures no DC loading on transformer-coupled lines; VCC clamping prevents overvoltage on PHY supply pins during common-mode ESD strikes. |
| LVDS Display Interface | Glucose Meter Analog Front-End |
Use Scenario: Shielding LVDS clock/data pairs driving SVGA-resolution displays in automotive infotainment head units. IC Role / Device Role / Timing Role: High-speed ESD array placed at display cable connector, suppressing fast-rising ESD pulses without distorting 240MHz pixel clocks. Use Value: 1.5pF/channel capacitance maintains >70% signal amplitude at Nyquist frequency; 10ns response time prevents latch-up in LVDS receivers. | Use Scenario: Protecting electrode input channels in battery-powered glucose meters subject to repeated finger-touch ESD. IC Role / Device Role / Timing Role: Ultra-low-leakage ESD clamp on analog sensor inputs, preserving nanoamp-level current measurements. Use Value: <1nA leakage avoids >0.1% reading error in 100nA biosensor currents; ±15kV air-gap rating covers worst-case dry-environment discharges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E1U06DCKR | Lower IO capacitance (0.5pF), higher IEC rating (±12kV contact), lower clamping voltage (VCC + 12V), eliminates need for external VCC bypass capacitor | Preferred for >480Mbps interfaces (e.g., USB 3.0 SS) or noise-sensitive analog paths where 1.5pF is marginal | Select when upgrading from TPD4E001DRLR for next-gen speed or tighter clamping; requires SC-70 layout change |
| TPD2E001DRYR | Two-channel variant, identical 1.5pF capacitance and ±8kV/±15kV rating, same DRL package footprint but only 4 pins | Used where only two high-speed lines require protection (e.g., single USB 2.0 port), reducing BOM count and board area | Choose for cost-optimized dual-line protection; not a drop-in replacement due to pin count and channel count mismatch |
Compared with TPD4E001DRLR, TPD4E1U06DCKR offers superior high-frequency performance and tighter clamping at the cost of different package and layout, while TPD2E001DRYR provides functional simplification for dual-line systems but lacks channel count scalability.
Availability
TPD4E001DRLR is available at Aetrix Electronics and suitable for USB 2.0 interface protection, industrial Ethernet PHY safeguarding, and portable medical device analog front-end ESD hardening requiring stable component supply and long-term production continuity.
Supply support for TPD4E001DRLR 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 leader specializing in analog, embedded processing, and high-reliability silicon solutions for industrial, automotive, and personal electronics markets.
The TPD4E001DRLR belongs to TI's ESD protection diode array product line, engineered specifically for high-speed digital interface protection where minimal capacitive loading and guaranteed IEC 61000-4-2 Level 4 compliance are mandatory.
FAQ
What is the primary function of the TPD4E001DRLR in a circuit?
The TPD4E001DRLR functions as a four-channel unidirectional ESD protection diode array that shunts electrostatic discharge energy from high-speed signal lines (e.g., USB D+/D−) to GND and VCC. It activates within 10ns when voltages exceed VBR (11V) or fall below –0.6V, clamping transients to safe levels while maintaining <1nA leakage and 1.5pF capacitance during normal operation - ensuring signal integrity and downstream IC safety. The TPD4E001DRLR is not a voltage regulator or active driver.
Can the TPD4E001DRLR be used without connecting the VCC pin?
Yes, the TPD4E001DRLR can operate with the VCC pin left floating or unconnected, enabling tolerance of signal swings up to 10V. However, TI recommends connecting VCC to the system supply (with 0.1µF bypass) to activate VCC-referenced clamping, which lowers positive transient clamping voltage to VCC + 60V (vs. ~100V open-VCC). Leaving VCC unconnected disables this feature but retains full ±8kV/±15kV IEC protection. The TPD4E001DRLR datasheet confirms both configurations are valid per Section 7.2.2.
What is the maximum peak pulse current the TPD4E001DRLR can handle?
The TPD4E001DRLR is rated for 5.5A peak pulse current (8/20µs waveform) per IO pin under IEC 61000-4-5 surge conditions, with corresponding 100W peak pulse power capability. This rating applies across all supported packages including the DRL variant. During IEC 61000-4-2 ESD testing, it withstands higher instantaneous currents (up to 45A for ±15kV air-gap discharge), but those are non-repetitive events. The TPD4E001DRLR absolute maximum ratings table specifies 5.5A as the defined surge limit for repetitive stress scenarios.
How does the TPD4E001DRLR differ from the TPD4E001DBVR?
The TPD4E001DRLR and TPD4E001DBVR share identical electrical specifications (1.5pF capacitance, ±8kV/±15kV ESD rating, 1nA leakage) and functional pinout, but differ in package: DRLR uses SOT-5X3 (1.60mm × 1.20mm), while DBVR uses SOT-23 (2.90mm × 1.60mm). The DRLR's smaller footprint saves board space and offers lower RθJA (226.4°C/W vs. 259.7°C/W for DBVR), improving thermal performance in dense layouts. Both are qualified for –40°C to +85°C operation and use NIPDAU lead finish.
Is the TPD4E001DRLR suitable for protecting LVDS interfaces?
Yes, the TPD4E001DRLR is explicitly validated for LVDS interface protection per its official applications list and 240MHz operating frequency support. Its 1.5pF per-channel capacitance introduces negligible skew or attenuation on differential LVDS pairs, and its fast 10ns response prevents metastability in LVDS receivers during ESD events. The TPD4E001DRLR's low leakage ensures no DC loading on termination resistors, and its ±15kV air-gap rating covers worst-case ESD in display cable handling - making it suitable for SVGA video connections as confirmed in TI's documentation.
TPD4E001DRLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SOT-563, SOT-666
- 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:
- -
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- Yes
- Applications:
- Ethernet
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-5X3
TPD4E001DRLR FAQ
1.How can I place an order for TPD4E001DRLR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPD4E001DRLR 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 TPD4E001DRLR reliable?
The price and inventory of TPD4E001DRLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPD4E001DRLR is usually 5 days.
3.What payment methods are accepted for TPD4E001DRLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPD4E001DRLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPD4E001DRLR?
TPD4E001DRLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPD4E001DRLR 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 TPD4E001DRLR?
For technical support, including TPD4E001DRLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPD4E001DRLR requirements.
6.How does Aetrix verify that TPD4E001DRLR is sourced from the original manufacturer or authorized distributors?
All TPD4E001DRLR 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 TPD4E001DRLR meets industry standards.
7.What is the process for return or replacement of TPD4E001DRLR?
All TPD4E001DRLR units undergo pre-shipment inspection (PSI). If there is an issue with TPD4E001DRLR, 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 TPD4E001DRLR part is unused and in its original packaging.
Return procedure for TPD4E001DRLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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