
Nexperia has released a new portfolio of electrostatic discharge (ESD) protection diodes engineered specifically for 48 V data communication networks in electric and hybrid vehicles. These are the first AEC-Q101 qualified ESD diodes optimized for legacy automotive protocols such as CAN, CAN-FD, LIN and FlexRay operating at higher board voltages.
EVs and HEVs increasingly use 48 V systems to power legacy networks once limited to 12 V and 24 V systems in internal combustion engine vehicles. Until now, designers had to rely on less efficient solutions such as parallel-connected 36 V diodes or adding separate 12 V rails.
Nexperia’s new portfolio includes devices rated for 54 V, 60 V and 72 V reverse working maximum voltage (VRWM), with part numbers PESD2CANFD54VT-Q, PESD2CANFD60VT-Q and PESD2CANFD72VT-Q (available in VT and LT variants). Each diode features ultra-low capacitance (down to 3.4 pF), ensuring signal integrity at high data rates.
“All six variants are offered in SOT23 packages, allowing compact implementation and consistent ESD protection performance for 48 V EV architectures,” said Alexander Benedix, Head of Product Group Protection and Filtering at Nexperia.
Source: Nexperia
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