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Circuit Protection for IVN

In-vehicle networking (IVN) is a communication infrastructure in the automotive environment used as a way to exchange information between various electronic components necessary for the full functionality of the vehicle. Today’s increasing electronic content in automotive is driving the need for higher bandwidth interfaces and as a result we are seeing the older LIN and CAN bus being augmented by FlexRay and Ethernet. FlexRay, in addition to being almost 10 times faster than CAN, adds a safety benefit with its reliable, fault tolerant protocol making it appealing to sensitive automotive applications in Powertrain and Safety. Ethernet, with its well understood protocol and high bandwidth feature, is seen as the next In-Vehicle network for automotive electronics.

Application Device High Speed Pair(s) Max Data Rate Differential Impedance (Ω) C Max (pf) VBR Min (V) VRWM Max (V) IR Max (µA) IPP Max (A) VC Max (V) No Ch Topology ESD IEC61000-4-2 (Contact/Air) Package
Ethernet NUP2114 1 100 Mb/s 100-150 1 5.5 5 1 12 10 2 Unidirectional ± 8 kV / ± 15 kV TSOP-6
FlexRay NUP2115 1 10 Mb/s 90 10 26.2 24 0.1 3 39.7 2 Bidirectional ± 8 kV / ± 15 kV SOT-23
HS CAN NUP2105 1 1 Mb/s @ 40 m 120 30 26.2 24 0.1 8 44 2 Bidirectional ± 30 kV / ± 30 kV SOT-23
LIN & LS CAN NUP1105 Single Wire 19.2 Kbaud @40 m - 30 25.7 24 0.1 8 44 2 Bidirectional ± 30 kV / ± 30 kV SOT-23



Features/Benefits
IVN
Diagram

NUP2115 Very Low Capacitance Over Voltage

NUP2115 Very Low Capacitance over voltage graph


Key Devices Lines Capacitance (pF) Package
NUP1105 1 30 SOT-23-3
NUP2105 2 30 SOT-23-3
NUP2115 2 10 SOT-23-3
NUP2114 2 1 TSOP-6, SOT-553
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