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Semtech Corporation ECLAMP2522P.TCT
- Part No.:
- ECLAMP2522P.TCT
- Manufacturer:
- Semtech Corporation
- Category:
- Mixed Technology
- Package:
- 6-UFDFN Exposed Pad
- Datasheet:
-
ECLAMP2522P.TCT.pdf
- Description:
- TVS DEVICE MIXED SLP1616P6
- Quantity:
- Payment:
- Shipping:
Inventory:10,474
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Product details
Overview
ECLAMP2522P.TCT from Semtech is a transient diverting suppressor designed for high-energy EOS/ESD protection of 25V-rated I/O or power lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), 27.5–28V clamping voltage at 40A, 20mΩ dynamic resistance, and 175pF junction capacitance - deployed in USB Type-C PD, industrial load switch inputs, and IoT device bus protection.
For engineers reviewing the ECLAMP2522P.TCT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping stability across temperature and current, low dynamic resistance for flat VC vs. IPP response, DFN-6 package layout constraints, and compatibility with 25V working voltage systems requiring robust surge immunity per IEC 61000-4-5.
Technical Context
ECLAMP2522P.TCT uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt path when transient voltage exceeds breakdown threshold. Unlike conventional TVS diodes, its clamping voltage remains nearly constant across 24–40A (8/20μs) due to decreasing RDS(on) under surge conditions.
The device operates over –40°C to +125°C, maintains stable 27.5–28V clamping up to 125°C, and delivers 1120W peak pulse power. Its 175pF capacitance at 22V/1MHz and <600nA leakage at VRWM make it suitable for medium-speed data/power line protection where low parasitic impact is required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 25 V - Maximum continuous DC operating voltage on protected line without triggering |
| Clamping Voltage | 27.5–28 V at 40A (8/20μs) - Limits transient voltage seen by downstream ICs to safe level during surge events |
| Peak Pulse Current | 40 A (8/20μs) - Withstands high-energy surges per IEC 61000-4-5, enabling compliance with industrial lightning immunity standards |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - Protects against direct human-body ESD events without degradation |
| Dynamic Resistance | 20 mΩ - Enables flat clamping behavior; reduces voltage rise with increasing current unlike TVS diodes |
| Junction Capacitance | 175 pF at 22 V, 1 MHz - Low enough for USB PD and industrial control signal integrity, not suited for >1 Gbps interfaces |
| Package | DFN 1.6 × 1.6 × 0.55 mm, 6-lead - Enables ultra-compact placement near connectors; requires all three IN and all three GND pins tied |
Pinout & Package
Package: DFN 1.6 mm × 1.6 mm × 0.55 mm, 6-lead, RoHS-compliant, UL 94V-0 molding compound, lead-free finish, tape-and-reel packaging.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | GND | Common ground return path for surge current; all three must be connected to maximize current handling and minimize inductance |
| 4, 5, 6 | IN | Input terminal for protected line (e.g., VBUS, power rail); all three pins are internally paralleled and must be shorted externally |
Key Features
| Feature | Design Value |
|---|---|
| Constant-clamp architecture | Clamping voltage stays within 27.5–28 V from 24A to 40A (8/20μs), eliminating voltage overshoot common in TVS diodes |
| Temperature-stable protection | Clamping remains unchanged from –40°C to +125°C - critical for industrial and automotive under-hood applications |
| Low dynamic resistance | 20 mΩ ensures minimal IR drop during surge, preserving protection margin for sensitive downstream FETs or controllers |
| High-energy surge rating | 1120 W peak pulse power supports ±1 kV (1.2/50μs, RS = 42 Ω) compliance for unsymmetrical line testing per IEC 61000-4-5 |
| Compact DFN footprint | 1.6 × 1.6 mm saves >60% board area vs. SOT-23 TVS solutions while maintaining full 40A capability |
Applications
| USB Type-C Power Delivery | Industrial Load Switch Input Protection |
|---|---|
|
Use Scenario: Protecting 20–25V VBUS lines in USB-C PD ports against ESD, lightning-induced surges, and hot-plug transients. IC Role / Device Role / Timing Role: Transient diverting suppressor placed between connector and PD controller/load switch input. Use Value: Maintains clamping at ≤28 V across temperature and current - prevents damage to 30V-rated PD controllers even at 125°C ambient. |
Use Scenario: Shielding e-fuse or load switch inputs (e.g., HS2950P) in remote meters, robotics, and factory automation equipment. IC Role / Device Role / Timing Role: Primary front-end surge clamp limiting voltage stress on internal switch FET during 40A transients. Use Value: Prevents gate oxide rupture and latch-up by holding VDS below 30V during 8/20μs surges - extends system reliability in harsh environments. |
| IoT Edge Node Power Bus | Storage Device 25V Rail Protection |
|
Use Scenario: Securing 25V auxiliary rails in battery-powered gateways, smart sensors, and wireless edge nodes exposed to field ESD. IC Role / Device Role / Timing Role: Standalone EOS protector on main power input before DC-DC converter or PMIC. Use Value: Delivers ±30kV ESD immunity and 40A surge capacity in sub-3mm² footprint - enables compact, ruggedized enclosure designs. |
Use Scenario: Safeguarding 25V supply rails in NVMe SSD enclosures, enterprise HDD backplanes, and RAID controllers. IC Role / Device Role / Timing Role: High-energy transient clamp on storage subsystem power input, upstream of voltage regulators. Use Value: Ensures uninterrupted operation during EMC testing (IEC 61000-4-5 Level 4) by limiting rail collapse to <3V deviation during 40A surge. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDS2211P | 22V working voltage, 27.5–28V clamping, same DFN-6 package and FET-based architecture | Optimized for 22V systems (e.g., legacy USB PD 20V, industrial 24V rails); lower VRWM than ECLAMP2522P.TCT | Select when system nominal voltage is ≤22V and tighter clamping margin below 30V is required |
| SP1002-02UTG | 24V working voltage, 33V clamping at 30A, 350pF capacitance, SOD-323 package | Higher clamping voltage and capacitance; suited for lower-speed, cost-sensitive applications where board space is less constrained | Choose only if 25V system margin allows ≥33V clamping and layout permits larger SOD-323 footprint |
Compared with TDS2211P and SP1002-02UTG, ECLAMP2522P.TCT provides the highest working voltage (25V) and lowest clamping (27.5–28V) among DFN-6 transient suppressors, making it optimal for next-gen USB PD 3.1 and 25V industrial power rails where voltage headroom is minimal.
Availability
ECLAMP2522P.TCT is available at Aetrix Electronics and suitable for USB Type-C PD interfaces, industrial load switch inputs, and IoT edge node power buses requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for ECLAMP2522P.TCT 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
Semtech Corporation is a U.S.-based fabless semiconductor company specializing in high-performance analog and mixed-signal semiconductors for power management, protection, and signal integrity.
ECLAMP2522P.TCT belongs to Semtech's Transient Diverting Suppressor (TDS) family, engineered to replace conventional TVS diodes in high-reliability 25V power and interface protection applications demanding flat clamping and thermal stability.
FAQ
What is the maximum continuous operating voltage for ECLAMP2522P.TCT?
ECLAMP2522P.TCT has a reverse stand-off voltage (VRWM) of 25 V, meaning it can continuously withstand up to 25 V DC on its input terminals without entering conduction. This makes it suitable for 24V industrial rails and USB PD 3.1 28V negotiation phases where transient spikes must be suppressed without affecting normal operation.
How does ECLAMP2522P.TCT achieve constant clamping voltage across varying surge currents?
ECLAMP2522P.TCT uses a surge-rated FET as its clamping element, triggered by an internal precision circuit. As surge current increases, the FET's RDS(on) decreases, counteracting IR rise - resulting in clamping voltage stability from 24A to 40A (8/20μs). This differs fundamentally from TVS diodes, whose VC rises linearly with current.
Can ECLAMP2522P.TCT be used in place of a standard TVS diode on a 25V power rail?
Yes - ECLAMP2522P.TCT is specifically designed as a drop-in upgrade for 25V systems. Its 27.5–28V clamping at 40A, 20mΩ dynamic resistance, and stable performance from –40°C to +125°C provide superior protection compared to typical 25V TVS diodes, which exhibit rising VC and derated IPP at elevated temperatures.
What PCB layout practices are required to achieve full 40A surge rating for ECLAMP2522P.TCT?
To achieve rated 40A (8/20μs) performance, all three IN pins (4,5,6) must be shorted together with a low-inductance trace, and all three GND pins (1,2,3) must connect to a solid ground plane using multiple vias. Placement within 5 mm of the protected connector is mandatory to minimize coupled transients - per Semtech's layout guidelines in the ECLAMP2522P.TCT datasheet.
Is ECLAMP2522P.TCT compliant with industry EMC standards?
Yes - ECLAMP2522P.TCT meets IEC 61000-4-2 (±30kV contact/air), IEC 61000-4-4 (±4kV EFT), and IEC 61000-4-5 (40A 8/20μs, ±1kV 1.2/50μs with RS = 42Ω). These ratings enable system-level compliance for industrial, medical, and consumer equipment undergoing full EMC certification testing.
ECLAMP2522P.TCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 6-UFDFN Exposed Pad
- Series:
- EMIClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Clamping:
- -
- Technology:
- Mixed Technology
- Number of Circuits:
- 1
- Applications:
- General Purpose
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1616P6 (1.6x1.6)
ECLAMP2522P.TCT FAQ
1.How can I place an order for ECLAMP2522P.TCT through Aetrix?
Please submit a Request for Quotation (RFQ) for ECLAMP2522P.TCT 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 ECLAMP2522P.TCT reliable?
The price and inventory of ECLAMP2522P.TCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ECLAMP2522P.TCT is usually 5 days.
3.What payment methods are accepted for ECLAMP2522P.TCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ECLAMP2522P.TCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ECLAMP2522P.TCT?
ECLAMP2522P.TCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ECLAMP2522P.TCT 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 ECLAMP2522P.TCT?
For technical support, including ECLAMP2522P.TCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ECLAMP2522P.TCT requirements.
6.How does Aetrix verify that ECLAMP2522P.TCT is sourced from the original manufacturer or authorized distributors?
All ECLAMP2522P.TCT 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 ECLAMP2522P.TCT meets industry standards.
7.What is the process for return or replacement of ECLAMP2522P.TCT?
All ECLAMP2522P.TCT units undergo pre-shipment inspection (PSI). If there is an issue with ECLAMP2522P.TCT, 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 ECLAMP2522P.TCT part is unused and in its original packaging.
Return procedure for ECLAMP2522P.TCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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