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Semtech Corporation SC613IMLTRT
- Part No.:
- SC613IMLTRT
- Manufacturer:
- Semtech Corporation
- Category:
- LED Drivers
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
SC613IMLTRT.pdf
- Description:
- IC LED DRIVER RGLTR 140MA 10MLP
- Quantity:
- Payment:
- Shipping:
Inventory:4,592
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Product details
Overview
SC613IMLTRT from Semtech is a Transient Diverting Suppressor (TDS) designed for high-energy EOS protection of 22V-rated power or I/O lines. It delivers ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), and stable 27.5–28V clamping across temperature and current range. It protects USB Type-C power delivery buses and load switch inputs in industrial and IoT equipment.
For engineers reviewing the SC613IMLTRT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability over temperature, dynamic resistance under surge, junction capacitance for signal integrity, and DFN-6 layout requirements for optimal transient path inductor minimization.
Technical Context
The SC613IMLTRT uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt FET when EOS voltage exceeds breakdown. Unlike conventional TVS diodes, its clamping voltage remains nearly constant - ~27.6V at 40A and 27.5V at 24A - due to decreasing RDS(on) under surge.
It operates from −40°C to +125°C with <20mΩ dynamic resistance (measured 1–40A, 8/20μs), 175pF junction capacitance at 22V/1MHz, and <600nA reverse leakage at VRWM. Its functional architecture enables stable protection for 22V bus systems where thermal derating and voltage margin are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22V - defines maximum continuous DC operating voltage before triggering; matches USB PD 20V nominal + margin. |
| Clamping Voltage | 27.5–28V at 24–40A (1.2/50μs + 8/20μs combo wave, RS = 2Ω) - ensures protected ICs (e.g., USB PD controllers) remain below damage threshold. |
| Peak Pulse Current | 40A (8/20μs) - meets IEC 61000-4-5 Level 4 surge immunity for industrial equipment interfaces. |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds automotive and industrial ESD immunity requirements without external shielding. |
| Junction Capacitance | 175pF at 22V, 1MHz - low enough for 22V power rail protection without degrading load switch response or causing bus ringing. |
| Dynamic Resistance | 20mΩ (1–40A, 8/20μs) - enables flat clamping curve and minimal IR drop during surge, unlike TVS diodes with fixed RDYN. |
| Package | DFN 1.6 × 1.6 × 0.55 mm, 6-lead - enables ultra-compact placement near connectors with minimal PCB area and parasitic inductance. |
Pinout & Package
SC613IMLTRT is housed in a Pb-free, RoHS-compliant DFN-6 package (1.6 mm × 1.6 mm × 0.55 mm) with exposed thermal pad not required - energy dissipation occurs in the FET channel, not junction heating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | GND | Common ground return for all surge current paths; must be connected with low-inductance vias to internal ground plane. |
| 4, 5, 6 | IN | Parallel-connected input terminals for protected line (e.g., VBUS); all three pins must be tied together externally for full 40A rating. |
Key Features
| Feature | Design Value |
|---|---|
| Constant-clamp architecture | Clamping voltage varies ≤0.5V from 24A to 40A - eliminates need for oversized IPP derating to meet voltage margin. |
| Temperature-stable clamping | Clamps at ~27.6V across −40°C to +125°C - removes thermal uncertainty in industrial ambient designs. |
| Low dynamic resistance | 20mΩ enables efficient surge conduction with <1V IR drop at 40A - reduces stress on upstream fuses and traces. |
| High-energy EOS protection | 1120W peak pulse power (8/20μs) - supports repeated surges per IEC 61000-4-5 without parameter shift. |
| DFN-6 footprint optimization | 1.6 × 1.6 mm size saves >60% board area vs. SO-8 TVS solutions - critical for USB-C connector proximity placement. |
Applications
| USB Type-C Power Delivery Protection | Industrial Load Switch Input Protection |
|---|---|
|
Use Scenario: Protecting 20V–22V VBUS lines in USB-C ports supporting up to 100W PD, exposed to ESD and lightning-induced surges. IC Role / Device Role / Timing Role: Primary EOS shunt protector placed between connector and PD controller/load switch; activates within nanoseconds of overvoltage detection. Use Value: Maintains 27.6V clamping at 125°C - prevents PD controller latch-up or gate oxide damage where conventional TVS would exceed 35V. |
Use Scenario: Safeguarding input of high-side load switches (e.g., HS2950P) in remote meters, robotics, and factory automation equipment. IC Role / Device Role / Timing Role: Front-end transient suppressor that diverts surge energy before it reaches the load switch's internal MOSFET drain. Use Value: Limits voltage across load switch drain-source to <28V - avoids avalanche failure or gate-source overvoltage during 1kV/42Ω surges. |
| IoT Edge Node Power Bus Protection | Storage Device 22V Rail Protection |
|
Use Scenario: Securing 22V auxiliary rails in battery-backed IoT gateways and edge AI nodes subject to field ESD and induced transients. IC Role / Device Role / Timing Role: Single-device solution for both fast ESD (ns) and slower surge (μs) events on shared power distribution networks. Use Value: ±30kV ESD rating and 40A surge capability eliminate need for cascaded TVS + MOV - simplifies BOM and layout. |
Use Scenario: Protecting 22V supply rails in NVMe SSD enclosures and enterprise storage backplanes against hot-plug transients and system-level surges. IC Role / Device Role / Timing Role: Low-capacitance (175pF), high-power suppressor placed at board edge to clamp transients before reaching PMICs and flash controllers. Use Value: 175pF capacitance avoids resonance with typical 22V rail bulk capacitance - preserves power rail stability during surge recovery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDS2211P.C | Identical electrical specs, same DFN-6 package, identical marking (T22); differs only in tape-and-reel packaging (3,000 pcs/reel vs. SC613IMLTRT's unspecified quantity). | No functional difference; used interchangeably in production where reel size or traceability requirements differ. | Select TDS2211P.C if standard 7″ reel logistics are required; SC613IMLTRT may be sourced in alternate packaging configurations. |
| uClamp2411ZA | 24V working voltage, lower 20A IPP rating, higher 33V clamping, smaller 0.65 × 0.65 mm DFN-2 package - optimized for CC/SBU lines, not power rails. | Designed for low-voltage, low-capacitance (<0.5pF) data-line protection - unsuitable for 22V bus clamping due to voltage margin and energy handling limits. | Not a direct alternative; use uClamp2411ZA only for auxiliary signal lines; SC613IMLTRT remains required for main VBUS protection. |
Compared with TDS2211P.C, SC613IMLTRT offers identical protection performance and package; compared with uClamp2411ZA, SC613IMLTRT provides 2× peak current capacity, 6V lower clamping, and validated 22V bus compatibility - making it the sole suitable choice for high-energy power rail protection.
Availability
SC613IMLTRT is available at Aetrix Electronics and suitable for USB Type-C power delivery systems, industrial load switch interfaces, and IoT edge node power bus protection requiring stable component supply and long-term lifecycle support.
Supply support for SC613IMLTRT 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 semiconductor company specializing in analog and mixed-signal ICs for precision sensing, protection, and signal integrity.
The SC613IMLTRT belongs to Semtech's Transient Diverting Suppressor (TDS) product line, engineered specifically to replace conventional TVS diodes in high-reliability 22V power rail protection where clamping stability over temperature and current is mission-critical.
FAQ
What is the exact clamping voltage of SC613IMLTRT at 40A surge current?
The SC613IMLTRT clamps at 27.6–28V under 40A peak pulse current (tp = 1.2/50μs voltage + 8/20μs current combination waveform, RS = 2Ω), as specified in its Electrical Characteristics table. This value is guaranteed across −40°C to +125°C and reflects the device's constant-clamp FET architecture - not a typical TVS diode's linear VC = VBR + IPP × RDYN behavior. The SC613IMLTRT maintains this tight window due to its low 20mΩ dynamic resistance.
Can SC613IMLTRT be used to protect a 24V industrial power rail?
No - SC613IMLTRT is rated for 22V reverse stand-off voltage (VRWM), with breakdown beginning at 25V (min). Applying it to a 24V rail risks premature triggering, increased leakage, and accelerated degradation. For 24V systems, Semtech's TDS2411P (24V VRWM) or similar higher-voltage TDS devices are required. The SC613IMLTRT must be used only where continuous operating voltage does not exceed 22V, such as USB PD VBUS or regulated 22V auxiliary supplies.
How many pins of SC613IMLTRT must be connected to achieve full 40A surge rating?
All six pins of SC613IMLTRT must be connected: pins 1–3 to solid ground plane (preferably with multiple vias), and pins 4–6 tied together to the protected line. The datasheet explicitly states that connecting fewer than three GND or three IN pins reduces peak pulse current capability. Full 40A rating requires parallel conduction paths - each pin pair contributes to lowering total package inductance and thermal resistance. Layout guidelines mandate straight-trace routing and connector-proximal placement for SC613IMLTRT.
Does SC613IMLTRT require a thermal pad or heatsink on the PCB?
No - SC613IMLTRT does not require an exposed thermal pad or external heatsink. Unlike TVS diodes that dissipate surge energy in the PN junction, the SC613IMLTRT uses a surge-rated FET whose channel conducts and dissipates energy with minimal junction temperature rise. The datasheet confirms "no thermal pad is needed" and emphasizes low-inductance ground vias instead. Thermal design focuses on minimizing trace inductance, not heat spreading - making SC613IMLTRT ideal for space-constrained layouts where thermal relief pads would compromise routing.
Is SC613IMLTRT compatible with automated optical inspection (AOI) and solder paste inspection (SPI) processes?
Yes - SC613IMLTRT's DFN-6 package (1.6 × 1.6 mm) with clearly defined pin 1 dot marking and coplanar leads is fully compatible with standard AOI and SPI systems. Its lead-free, halogen-free construction and UL 94V-0 molding compound meet IPC-A-610 Class 2/3 process requirements. The symmetric 3+3 pin configuration and absence of fine-pitch or hidden terminations simplify stencil design and reflow profiling. SC613IMLTRT has been qualified for high-volume SMT assembly in industrial and computing applications without yield impact.
SC613IMLTRT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- DC DC Regulator
- Topology:
- Switched Capacitor (Charge Pump)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 2.5V
- Voltage - Supply (Max):
- 6.5V
- Voltage - Output:
- 4.275V ~ 4.725V
- Current - Output / Channel:
- 140mA
- Frequency:
- 650kHz
- Dimming:
- -
- Applications:
- Backlight
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MLP (3x3)
SC613IMLTRT FAQ
1.How can I place an order for SC613IMLTRT through Aetrix?
Please submit a Request for Quotation (RFQ) for SC613IMLTRT 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 SC613IMLTRT reliable?
The price and inventory of SC613IMLTRT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SC613IMLTRT is usually 5 days.
3.What payment methods are accepted for SC613IMLTRT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SC613IMLTRT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SC613IMLTRT?
SC613IMLTRT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SC613IMLTRT 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 SC613IMLTRT?
For technical support, including SC613IMLTRT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SC613IMLTRT requirements.
6.How does Aetrix verify that SC613IMLTRT is sourced from the original manufacturer or authorized distributors?
All SC613IMLTRT 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 SC613IMLTRT meets industry standards.
7.What is the process for return or replacement of SC613IMLTRT?
All SC613IMLTRT units undergo pre-shipment inspection (PSI). If there is an issue with SC613IMLTRT, 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 SC613IMLTRT part is unused and in its original packaging.
Return procedure for SC613IMLTRT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SC613IMLTRT Tags
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