In order to prevent fast transients from leading to severe damages in a high speed data system, a specific protection has been developed by STMicroelectronics.
The USB6B1 protects the two input lines against overvoltage. Besides, this device also keeps the power rails in a safe limit thanks to the integrated Transil diode.
- Full diode bridge with integrated clamping protection
- Peak pulse power dissipation: PPP = 500 W (8/20 µs)
- Breakdown voltage: VBR = 6 V min.
- Very low capacitance, compatible with high debit data or signal rates.
In this video, we explain why it is important to protect against electrostatic discharges. We give a quick demonstration to show exactly what happens when you shoot at a microcontroller with an ESD gun!
PEP01-5841, for Power over Ethernet supply lines
Introduction to surges – EOS and ESD – definition, standards, effects and root cause
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