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CAN ESD protection devices meet all key automotive interface protocols

CAN ESD protection devices meet all key automotive interface protocols

New Products |
By eeNews Europe



The continual introduction of electronics-based features in cars, including various Advanced Driver Assistance Systems (ADAS), has led to a proliferation of communications protocols that offer different combinations of speed, cost, and flexibility, notes ST, introducing the ESDCAN02-2BWY and ESDCAN03-2BWY automotive-grade dual-line Transil devices that build on ST’s long-term transient protection device expertise. A combination of parameters, including an ultra-low capacitance of 3.5 pF and 24V minimum stand-off voltage, has produced the first CAN protection devices to comply with all major interfaces, including CAN-FD, LIN, FlexRay, MOST, and SENT.

Features of the devices include:

– Low capacitance (3.5 pF, max), leading to a BOM reduction and design simplification for high bit-rates.

– An SOT323 package, smaller than all existing solutions, that helps minimise PCB area.

– ESDCAN02-2BWY with 28V minimum VBR meets automotive reverse battery requirements.

– ESDCAN03-2BWY’s very low VCL of 35V max is the best clamping voltage on the market.

Both devices are ISO10605-compliant, managing ESD surges up to the maximum ±30kV covered by the standard, ensuring robustness in the application. In an SOT323-3L package, the devices cost $0.078 (100).

STMicroelectronics; www.st.com

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