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SurgeSwitch® for USB PD EPR Protection
Semtech advanced MOSFET-based surge protection technology outperforms traditional TVS diodes
Semtech SurgeSwitch® technology delivers a unique approach to surge protection as USB power delivery systems scale up to 240 W via an extended power range (EPR). Traditional TVS diodes struggle with rising clamping voltages and temperature instability at these power levels. SurgeSwitch MOSFET-based devices provide 30% lower clamping voltage, superior thermal stability, and endurance exceeding 200,000 surge events. These solutions safeguard VBUS lines and high-speed USB Type-C data ports without compromising signal integrity, protecting smartphones, laptops, gaming systems, and industrial equipment from ESD, EFT, and surge threats.
Features
- Small footprint: 1.6 mm x 1.6 mm
- Multiple voltage options
- Constant surge clamping across peak pulse current range
- Surge immunity up to level 2 ±1 kV per IEC61000-4-5 (RS = 42 Ω and CS = 0.5 μF)
- Protects one I/O or VBUS line
- Stability of surge clamping over temperature
- ESD immunity exceeds level 4
Applications
- USB Type-C®
- Sensors
- Industrial I/O links
- 4 mA to 20 mA current loop
- PLC/DCS I/O modules
- HVAC/24 VAC circuits
- Power over Ethernet (PoE)
Updated: 2024-05-29
Published: 2022-02-22
Hungary