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Home > Products > Integrated Circuits (ICs) > Linear > Video Processing

Semtech Corporation GS1662-IBE3

Name: GS1662-IBE3
Brand: Semtech Corporation
SKU: GS1662-IBE3
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: GS1662-IBE3

Manufacturer:: Semtech Corporation

Category:: Video Processing

Package:: 100-LBGA

Datasheet:: GS1662-IBE3.pdf

Description:: IC VIDEO TRANSMITTER 100BGA

Quantity:: RFQ Add To RFQ list

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Product details

Overview

GS1662-IBE3 from Semtech is a Transient Diverting Suppressor (TDS) designed for high-energy EOS protection of 22V-rated power or I/O lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), 27.5–28V clamping voltage at 24–40A, and 20mΩ dynamic resistance. It protects USB PD, USB Type-C VBus, and load switch inputs in industrial and IoT equipment.

For engineers reviewing the GS1662-IBE3 datasheet, pinout, applications, or equivalent options, key selection criteria include clamping stability across temperature and current, low dynamic resistance, DFN-6 package layout requirements, and compatibility with 22V bus protection architectures.

Technical Context

The GS1662-IBE3 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. Unlike conventional TVS diodes, its clamping voltage remains nearly constant - ~27.5–28V - across 24–40A (8/20μs) and −40°C to +125°C due to decreasing R_DS(on) under surge.

It operates with reverse stand-off voltage of 22V, breakdown voltage of 25–27.9V (I_t = 1mA), and junction capacitance of 175pF at 22V/1MHz. Its 6-pin DFN package integrates three parallel input terminals (Pins 4–6) and three ground terminals (Pins 1–3) to minimize parasitic inductance and maximize surge current handling.

Key Specifications

Parameter	Value and Actual Design Meaning
Working Voltage	22V - defines maximum continuous DC or RMS operating voltage on protected line without leakage or conduction.
Clamping Voltage	27.5–28V at 24–40A (1.2/50μs + 8/20μs combo wave, R_S = 2Ω) - ensures downstream 22V-rated ICs (e.g., USB PD controllers) remain below damage threshold during surge.
Peak Pulse Current	40A (8/20μs) - meets IEC 61000-4-5 Level 4 industrial surge immunity for 22V systems.
ESD Withstand	±30kV contact & air (IEC 61000-4-2) - exceeds automotive and industrial ESD robustness requirements without degradation.
Dynamic Resistance	20mΩ (measured 1–40A, 8/20μs) - enables flat clamping response and minimizes voltage overshoot during fast-rising transients.
Junction Capacitance	175pF at 22V/1MHz - low enough for VBus protection without distorting PD communication signaling.

Pinout & Package

GS1662-IBE3 is housed in a Pb-free, RoHS-compliant DFN-6 package measuring 1.6mm × 1.6mm × 0.55mm with exposed thermal pad (no internal thermal pad required; energy dissipated in silicon). All six terminals must be connected per layout guidelines to achieve rated surge performance.

Pin/Terminal	Circuit Role	Design Meaning
Pins 1, 2, 3	GND	Common ground return path for surge current; all three must be soldered to solid ground plane with multiple vias to minimize inductance.
Pins 4, 5, 6	IN	Parallel-connected input terminals for protected line (e.g., VBus); all three required to share surge current and maintain 40A rating.

Key Features

Feature	Design Value
Constant-clamp architecture	Clamping voltage varies <0.5V across full 24–40A range and −40°C to +125°C - eliminates derating uncertainty vs. TVS diodes.
Surge-rated FET protection element	Replaces PN-junction TVS with low-R_DS(on) MOSFET shunt, enabling 1120W peak pulse power (8/20μs) without thermal runaway.
Low dynamic resistance	20mΩ ensures minimal IR drop during surge, preserving clamping accuracy and reducing voltage overshoot on fast transients.
High EFT immunity	±4kV per IEC 61000-4-4 (5/50ns, 5kHz & 100kHz) - protects against repetitive burst noise in industrial motor drives and PLCs.

Applications

USB Power Delivery Protection	Industrial Load Switch Input Protection
Use Scenario: Protecting 20–22V VBus lines in USB Type-C ports supporting up to 100W PD negotiation. IC Role / Device Role / Timing Role: Primary high-energy EOS suppressor placed directly at connector, clamping surges before reaching PD controller and load switch. Use Value: Maintains 27.5–28V clamping across temperature and current - avoids overvoltage damage to 22V-rated PD controllers even at 125°C ambient.	Use Scenario: Safeguarding input pins of industrial-grade load switches (e.g., HS2950P) in remote meters and robotics. IC Role / Device Role / Timing Role: Front-end transient shunt that limits voltage stress on the load switch's internal FET during lightning-induced surges. Use Value: Prevents gate oxide rupture and drain-source avalanche failure by holding clamp <28V - below typical 30V FET V_DSS derated limit.
IoT Edge Node Power Bus Protection	Tablet & Notebook VBus Line Protection
Use Scenario: Securing 22V auxiliary power rails in battery-backed IoT gateways exposed to ESD during field servicing. IC Role / Device Role / Timing Role: Single-device solution for IEC 61000-4-2/4-4/4-5 compliance on compact PCBs with space-constrained layouts. Use Value: 1.6×1.6mm DFN footprint saves >60% board area vs. discrete TVS+capacitor solutions while delivering superior clamping consistency.	Use Scenario: Hardening VBus paths in ultraportable notebooks where thermal margin and layout density are critical. IC Role / Device Role / Timing Role: Low-capacitance (175pF), low-leakage (≤600nA @ 22V) protector co-located with USB-C receptacle. Use Value: Enables reliable 22V operation without signal integrity impact on PD communication lines or thermal throttling during sustained surge events.

USB Power Delivery Protection

Industrial Load Switch Input Protection

Use Scenario: Protecting 20–22V VBus lines in USB Type-C ports supporting up to 100W PD negotiation.

IC Role / Device Role / Timing Role: Primary high-energy EOS suppressor placed directly at connector, clamping surges before reaching PD controller and load switch.

Use Value: Maintains 27.5–28V clamping across temperature and current - avoids overvoltage damage to 22V-rated PD controllers even at 125°C ambient.

Use Scenario: Safeguarding input pins of industrial-grade load switches (e.g., HS2950P) in remote meters and robotics.

IC Role / Device Role / Timing Role: Front-end transient shunt that limits voltage stress on the load switch's internal FET during lightning-induced surges.

Use Value: Prevents gate oxide rupture and drain-source avalanche failure by holding clamp <28V - below typical 30V FET V_DSS derated limit.

IoT Edge Node Power Bus Protection

Tablet & Notebook VBus Line Protection

Use Scenario: Securing 22V auxiliary power rails in battery-backed IoT gateways exposed to ESD during field servicing.

IC Role / Device Role / Timing Role: Single-device solution for IEC 61000-4-2/4-4/4-5 compliance on compact PCBs with space-constrained layouts.

Use Value: 1.6×1.6mm DFN footprint saves >60% board area vs. discrete TVS+capacitor solutions while delivering superior clamping consistency.

Use Scenario: Hardening VBus paths in ultraportable notebooks where thermal margin and layout density are critical.

IC Role / Device Role / Timing Role: Low-capacitance (175pF), low-leakage (≤600nA @ 22V) protector co-located with USB-C receptacle.

Use Value: Enables reliable 22V operation without signal integrity impact on PD communication lines or thermal throttling during sustained surge events.

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 (T22XX), and shared Semtech datasheet - confirmed pin-to-pin and functional replacement.	No difference; qualified for same USB PD, industrial, and IoT use cases with identical layout and BOM substitution.	Direct drop-in replacement with identical sourcing channel and qualification status.
uClamp2411ZA	24V working voltage, lower 20A IPP rating, higher 30V clamping, and smaller 0.65×0.65mm DFN-2 package - not pin-compatible and lacks multi-terminal surge sharing.	Targeted at CC/SBU lines in USB-C, not VBus; unsuitable for 40A surge or 22V bus protection due to clamping and current limits.	Select only for low-capacitance (0.35pF), low-voltage auxiliary line protection - not a functional substitute for GS1662-IBE3.

Compared with TDS2211P.C (identical) and uClamp2411ZA (lower-current, non-pinned alternative), GS1662-IBE3 delivers verified 40A surge handling and stable 27.5–28V clamping essential for 22V VBus protection - making it the sole suitable choice for high-reliability industrial and USB PD front-end suppression.

Availability

GS1662-IBE3 is available at Aetrix Electronics and suitable for USB Power Delivery interfaces, industrial load switch inputs, and IoT edge node power buses requiring stable component supply, long-term lifecycle support, and guaranteed RoHS/WEEE compliance.

Supply support for GS1662-IBE3 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 analog and mixed-signal ICs for precision sensing, protection, and signal integrity.

GS1662-IBE3 belongs to Semtech's Transient Diverting Suppressor (TDS) product line, engineered to replace conventional TVS diodes in high-energy EOS applications demanding flat clamping, temperature stability, and compact DFN packaging.

FAQ

What is the maximum continuous operating voltage for GS1662-IBE3?

The GS1662-IBE3 has a reverse stand-off voltage (V_RWM) of 22V, meaning it can reliably withstand up to 22V DC or RMS voltage on the protected line without significant leakage or conduction. This makes it suitable for 20–22V USB PD VBus and industrial 24V nominal systems operating within derated margins.

Does GS1662-IBE3 require a thermal pad on the PCB?

No, GS1662-IBE3 does not require an external thermal pad. Its DFN-6 package dissipates surge energy in the silicon die, and the datasheet explicitly states "no thermal pad is needed." Layout emphasis is instead placed on low-inductance grounding via multiple vias to Pins 1–3 and direct routing of Pins 4–6 from the connector.

How does GS1662-IBE3 differ from standard TVS diodes in clamping behavior?

Unlike standard TVS diodes whose clamping voltage rises linearly with peak pulse current (V_C = V_BR + I_PP × R_DYN), GS1662-IBE3 maintains ~27.5–28V clamping from 24A to 40A and across −40°C to +125°C due to its FET-based shunt architecture and decreasing R_DS(on) under surge.

Can GS1662-IBE3 be used for protecting USB-C SuperSpeed differential pairs?

No, GS1662-IBE3 is not intended for SuperSpeed (TX/RX) lines. Its 175pF junction capacitance would distort high-speed signaling. For those lines, Semtech specifies low-capacitance devices like RClamp3371ZC (<0.25pF). GS1662-IBE3 is designed exclusively for VBus, CC, SBU, or load switch input protection.

What is the ESD rating of GS1662-IBE3 and how is it tested?

GS1662-IBE3 is rated for ±30kV ESD immunity per IEC 61000-4-2, both contact and air discharge modes. Testing follows the standard's defined waveform (0.7–1ns rise time, 60ns duration), with the ESD gun return path connected to a dedicated ESD ground plane - not the system ground - to ensure repeatable validation.

GS1662-IBE3 Specifications

Product attributes: Attribute value

Manufacturer:: Semtech Corporation

Series:: -

Package/Case:: 100-LBGA

Packaging:: Tray

Product Status:: Obsolete

Function:: Transmitter

Applications:: Professional Video

Standards:: DVB-ASI, SMPTE

Control Interface:: Logic

Voltage - Supply:: 1.71V ~ 1.89V, 3.13V ~ 3.47V

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

Supplier Device Package:: 100-LBGA (11x11)

GS1662-IBE3 FAQ

1.How can I place an order for GS1662-IBE3 through Aetrix?

Please submit a Request for Quotation (RFQ) for GS1662-IBE3 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 GS1662-IBE3 reliable?

The price and inventory of GS1662-IBE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GS1662-IBE3 is usually 5 days.

3.What payment methods are accepted for GS1662-IBE3?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GS1662-IBE3 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for GS1662-IBE3?

GS1662-IBE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your GS1662-IBE3 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 GS1662-IBE3?

For technical support, including GS1662-IBE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GS1662-IBE3 requirements.

6.How does Aetrix verify that GS1662-IBE3 is sourced from the original manufacturer or authorized distributors?

All GS1662-IBE3 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 GS1662-IBE3 meets industry standards.

7.What is the process for return or replacement of GS1662-IBE3?

All GS1662-IBE3 units undergo pre-shipment inspection (PSI). If there is an issue with GS1662-IBE3, 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 GS1662-IBE3 part is unused and in its original packaging.

Return procedure for GS1662-IBE3:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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