ESD Protection for Automotive High-Speed Video Links
The exploding demand of infotainment and safety in modern car systems requires very sophisticated high-speed solutions which pass the EMC compliant test and are robust in the field. ESD can cause a malfunction or even irreversible destruction of the system which is a reason for costly recall
campaigns. ESD protection devices are necessary to avoid those failures and leverage the system to a highly reliable and very robust level.
Besides the existing Video Link protocols, the are some alternatives under discussion within the automotive industry. An open committee, Automotive Serdes Alliance, has been formed to create a common standard for high-speed Video Links, which will give further assurance of their
reliability and performance.
In the meantime, tests demonstrate that Nexperia’s automotive qualified devices for infotainment designs offer the ideal combination of low capacitance, low clamping voltage and high ESD robustness. They use the same active silicon-controlled rectification technology to overcome the traditional protection trade-off challenge.
As a result, capacitance is kept down to 0.5 pF, clamping voltage is just 3 V and devices can withstand surge and ESD pulses up to 10 A 8/20 μs. In addition, these ESD protection devices comply with all automotive qualifications in a very compact and suitable high-speed package.
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