Friday, April 19, 2024

Automotive Qualified Leadless CAN-FD Protection Diodes

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Fully AEC-Q101-qualified, the series parts offer improved ESD and RF performance, and save essential PCB space

New leadless ESD protection devices, the PESD2CANFDx series for CAN-FD applications have been launched that are fully AEC-Q101-qualified, offer ESD and RF performance and save PCB space.

The new DFN1412D-3 and DFN1110D-3 leadless DFN packages occupy 80 per cent less PCB space than traditional SOT23 and SOT323 packages and feature improved thermal behaviour due to a larger internal lead frame that includes a heatsink and thermal pad.

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PESD2CANFDx diodes are also very ESD robust delivering good system-level protection performance. The parts have low clamping voltages of only 33V at IPP = 1 A and low dynamic resistance of 0.7 Ω. RF switching parameters feature a mixed-mode insertion loss of just +20 dB at 300 MHz, leading to excellent signal integrity.

“CAN-FD is an important bus in automotive in-vehicle networks but devices must be protected against ESD. Another essential requirement for automotive applications is the ability to use AOI. Our new devices in leadless packages meet both these requirements, providing a high-performance alternative to leaded SMD packages. The PESD2CANFDx series fulfils all CAN (FD) specification requirements and exceeds the requirements of AEC-Q101 by two times,” said Lukas Droemer, product manager at Nexperia.

20 devices are available now in the DFN1412D-3 and DFN1110D-3 in leadless packages with side-wettable flanks for automotive and industrial applications including CAN/CAN-FD, FlexRay, SENT and LVDS. These can be obtained from Nexperia.


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