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Texas Instruments TPD3E001DRYR
- Part No.:
- TPD3E001DRYR
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- 6-UFDFN
- Datasheet:
-
TPD3E001DRYR.pdf
- Description:
- TVS DIODE 5.5VWM 6SON
- Quantity:
- Payment:
- Shipping:
Inventory:20,848
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Product details
Overview
TPD3E001DRYR from Texas Instruments is a three-channel unidirectional ESD protection diode array designed for high-speed data interfaces. It delivers ±8-kV IEC 61000-4-2 contact discharge and ±15-kV air-gap ESD protection, features 1.5-pF typical I/O capacitance per channel, <1-nA maximum leakage current, and operates across 0.9 V to 5.5 V supply range - enabling robust protection of USB 2.0 micro-AB connectors (D+, D−, ID) without signal integrity degradation.
For engineers reviewing the TPD3E001DRYR datasheet, TPD3E001DRYR pinout, TPD3E001DRYR application, or TPD3E001DRYR equivalent, key selection criteria include ultra-low 1.5-pF channel capacitance for 240-MHz USB2.0 operation, verified ±15-kV IEC air-gap rating, thermal performance in USON-6 (DRY) package (RθJA = 374.2°C/W), and compatibility with precision analog front-ends requiring sub-1-nA leakage.
Technical Context
The TPD3E001DRYR implements a central ESD clamp architecture with two series-connected diodes per I/O line, referenced to VCC to enable bidirectional transient suppression on signal lines while protecting the VCC rail. Its passive operation activates only during overvoltage events (VBR = 11 V, clamping to VC ≤ ±100 V at ±15-kV air-gap strike), reverting to high-impedance state within nanoseconds after event decay.
This device functions as a voltage-triggered TVS with dynamic resistance of 1.2 Ω during conduction, delivering 5.5-A peak pulse current (8/20-µs waveform) and dissipating up to 90 W peak pulse power. The VCC biasing option (0.9–5.5 V) allows flexible integration into both powered and unpowered protection schemes, with clamping behavior shifting based on VCC connection status.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±8-kV contact / ±15-kV air-gap - meets Level 4 international standard for system-level ESD immunity |
| I/O Capacitance (per channel) | 1.5 pF typical at 5 V - preserves signal integrity for USB2.0 (480 Mbps) and SVGA video interfaces |
| Leakage Current | ±1 nA maximum at VIO = GND or VCC - enables use in glucose meters and heart rate monitors without measurement drift |
| Clamp Voltage (VC) | ≤ ±100 V at ±15-kV air-gap (45-A pulse) - limits stress on downstream USB transceivers and analog ICs |
| Breakdown Voltage (VBR) | 11 V minimum at 10 mA - defines precise turn-on threshold for reliable transient detection |
| Supply Range (VCC) | 0.9 V to 5.5 V - supports direct connection to USB VBUS (5 V) or low-voltage analog rails (e.g., 1.8 V, 3.3 V) |
| Operating Temperature | –40°C to +85°C - qualified for industrial and portable medical equipment environments |
Pinout & Package
TPD3E001DRYR uses a 6-pin USON (Ultra-Small Outline No-Lead) package (DRY), measuring 1.45 mm × 1.00 mm × 0.6 mm max height, with exposed thermal pad connected to GND for enhanced thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IO1 | ESD-protected I/O channel | Connects to first protected signal (e.g., USB D+); clamps transients to GND/VCC |
| IO2 | ESD-protected I/O channel | Connects to second protected signal (e.g., USB D−); identical electrical behavior to IO1 |
| GND | Ground reference | Primary return path for ESD current; must be low-inductance connection to system ground plane |
| IO3 | ESD-protected I/O channel | Connects to third protected signal (e.g., USB ID); supports OTG role detection without added capacitance |
| VCC | Power-supply input | Bias rail for internal clamp network; requires 0.1-μF ceramic bypass capacitor to GND for optimal clamping |
| N.C. | No connection | Internally unconnected pin; must remain floating - no routing or soldering required |
Key Features
| Feature | Design Value |
|---|---|
| Three independent ESD channels | Enables full protection of USB micro-AB connector (D+, D−, ID) with single-component placement |
| Uni-directional clamp architecture | Uses central VCC-referenced diode network to suppress both positive and negative transients without external components |
| Low dynamic resistance (Rdyn) | 1.2 Ω ensures minimal voltage overshoot during 45-A ESD pulses, reducing risk of latch-up in protected ICs |
| Exposed thermal pad (EP) | Provides low-thermal-resistance path (RθJB = 227.8°C/W) to PCB ground plane for sustained energy dissipation |
| Wide VCC operating range | 0.9–5.5 V allows direct tie to USB VBUS or low-voltage analog supplies - eliminates need for level-shifting circuitry |
Applications
| USB 2.0 Micro-AB Interface | Precision Analog Front-End |
|---|---|
|
Use Scenario: Protecting D+, D−, and ID pins of a USB micro-AB receptacle in portable medical devices. IC Role / Device Role / Timing Role: ESD transient suppressor placed directly at connector, clamping ±15-kV air-gap strikes before reaching USB PHY. Use Value: 1.5-pF capacitance prevents signal rise-time degradation at 480 Mbps; sub-1-nA leakage avoids baseline drift in ADC measurements. |
Use Scenario: Shielding analog sensor inputs (e.g., glucose meter electrodes) from handling ESD in handheld diagnostics. IC Role / Device Role / Timing Role: Low-leakage I/O protector on high-impedance analog nodes, maintaining DC accuracy while suppressing fast transients. Use Value: ±1-nA max leakage ensures <0.1% error in 10-MΩ sensor paths; 11-V breakdown avoids false triggering during normal operation. |
| Industrial Video Surveillance | SVGA Display Interface |
|
Use Scenario: Safeguarding HD video data lines (e.g., CVBS, YPbPr) in outdoor IP cameras exposed to field ESD events. IC Role / Device Role / Timing Role: High-speed ESD guard on analog video outputs, preserving bandwidth and minimizing ghosting artifacts. Use Value: 1.5-pF loading maintains >100-MHz signal fidelity; ±15-kV air-gap rating exceeds EN 61000-4-2 requirements for Class A equipment. |
Use Scenario: Protecting RGB and sync signals in embedded SVGA displays used in kiosks and HMIs. IC Role / Device Role / Timing Role: Channelized TVS array on parallel digital video bus, preventing latch-up in timing controller ICs. Use Value: Three independent channels match SVGA's R/G/B signal count; 5.5-A peak pulse current handles multiple simultaneous ESD hits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E2U06 | 2-channel, lower 0.5-pF capacitance, higher ±12-kV contact rating, no VCC pin | Optimized for space-constrained 2-signal interfaces (e.g., HDMI DDC lines); lacks third channel and VCC biasing | Select when protecting exactly two high-speed lines and minimal capacitance is critical; not suitable for USB ID pin protection |
| TPD4E1U06 | 4-channel, 0.5-pF capacitance, ±12-kV contact rating, integrated 0.5-pF ESD-capacitor structure | Designed for SDIO, eMMC, or MIPI interfaces with four differential pairs; removes need for external input capacitor | Choose for 4-signal protection where ultra-low capacitance outweighs channel count mismatch; requires layout redesign for 3-signal use |
Compared with TPD3E001DRYR, TPD2E2U06 offers superior capacitance but lacks the third channel and VCC-referenced clamping needed for USB micro-AB; TPD4E1U06 provides more channels and lower capacitance but targets different interface standards and omits the flexible VCC biasing that enables dual-mode (powered/unpowered) operation in TPD3E001DRYR.
Availability
TPD3E001DRYR is available at Aetrix Electronics and suitable for USB 2.0 interface protection, portable medical instrumentation, and industrial video surveillance systems requiring stable component supply and long-term production continuity.
Supply support for TPD3E001DRYR 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 connectivity technologies, with decades of expertise in ESD protection and high-reliability interface solutions.
The TPD3E001DRYR belongs to TI's transient voltage suppressor (TVS) diode array product line, engineered specifically for high-speed data interface protection in consumer, medical, and industrial applications where signal integrity and low leakage are critical.
FAQ
What is the primary function of the TPD3E001DRYR in a USB 2.0 design?
The TPD3E001DRYR serves as a three-channel ESD protection device for USB 2.0 micro-AB connectors, safeguarding D+, D−, and ID signal lines against ±8-kV contact and ±15-kV air-gap electrostatic discharges per IEC 61000-4-2 Level 4. Its 1.5-pF per-channel capacitance ensures minimal impact on 480-Mbps data integrity, while its VCC-referenced clamp architecture provides robust transient suppression without requiring external components. The TPD3E001DRYR is explicitly validated for this role in TI's application documentation.
Can the TPD3E001DRYR be used without connecting the VCC pin?
Yes, the TPD3E001DRYR can operate with VCC left unconnected, enabling tolerance of signal swings up to ±10 V - useful in unpowered or battery-backed systems. However, TI recommends biasing VCC to the system supply (e.g., 5 V) with a 0.1-μF ceramic capacitor for optimal clamping performance and lowest effective capacitance. When VCC is unconnected, the device still provides full ±15-kV air-gap protection, but clamping voltage increases slightly. This behavior is documented in the TPD3E001DRYR datasheet Section 8.2.2.
How does the TPD3E001DRYR compare to discrete diode-based ESD solutions?
The TPD3E001DRYR integrates three matched ESD protection channels plus a VCC-referenced clamp network in a single 1.45 mm × 1.00 mm USON package, eliminating layout complexity, parasitic inductance, and matching inconsistencies inherent in discrete diode arrays. Its 1.2-Ω dynamic resistance and 1.5-pF capacitance deliver tighter clamping and better high-frequency response than typical discrete implementations. TI's characterization confirms the TPD3E001DRYR achieves consistent ±15-kV air-gap performance across all three channels - a result difficult to replicate with discrete components.
What is the significance of the N.C. pin on the TPD3E001DRYR?
The N.C. (No Connection) pin on the TPD3E001DRYR is internally unconnected and must remain electrically floating - it should not be tied to GND, VCC, or any other net. This pin exists due to package constraints of the 6-pin USON (DRY) footprint and has no functional role in ESD protection. TI's mechanical drawings and pin-function table explicitly confirm its non-connection status, and soldering or routing to this pin may compromise thermal performance or reliability. The TPD3E001DRYR datasheet Section 5 lists this as Pin 5 with "–" under all package mappings.
Does the TPD3E001DRYR require a PCB ground plane connection to the exposed thermal pad?
Yes, the exposed thermal pad (EP) on the TPD3E001DRYR must be connected to the PCB ground plane using multiple vias to ensure effective heat dissipation and low-inductance ESD current return path. TI specifies RθJB = 227.8°C/W for the DRY package under this condition - performance degrades significantly if the pad is left floating or connected only through traces. Layout guidelines in the TPD3E001DRYR datasheet (Section 10.1) mandate direct thermal via connections to an inner-layer ground plane, and TI's board layout examples show ≥4 thermal vias under the pad.
TPD3E001DRYR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 6-UFDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 3
- 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:
- 90W
- Power Line Protection:
- Yes
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-SON (1.45x1)
TPD3E001DRYR FAQ
1.How can I place an order for TPD3E001DRYR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPD3E001DRYR 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 TPD3E001DRYR reliable?
The price and inventory of TPD3E001DRYR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPD3E001DRYR is usually 5 days.
3.What payment methods are accepted for TPD3E001DRYR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPD3E001DRYR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPD3E001DRYR?
TPD3E001DRYR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPD3E001DRYR 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 TPD3E001DRYR?
For technical support, including TPD3E001DRYR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPD3E001DRYR requirements.
6.How does Aetrix verify that TPD3E001DRYR is sourced from the original manufacturer or authorized distributors?
All TPD3E001DRYR 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 TPD3E001DRYR meets industry standards.
7.What is the process for return or replacement of TPD3E001DRYR?
All TPD3E001DRYR units undergo pre-shipment inspection (PSI). If there is an issue with TPD3E001DRYR, 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 TPD3E001DRYR part is unused and in its original packaging.
Return procedure for TPD3E001DRYR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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