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EPC GaN FET Helps Lidar Systems See Better

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AEC Q101-qualified 80V device delivers high current with short pulse widths

EPC has announced successful AEC Q101 qualification of the 80V EPC2214 designed for lidar systems in the automotive industry and other harsh environments.

EPC's CEO and co-founder Alex Lidow said: “This new automotive product is the most recent in what will be a constant stream of EPC transistors and integrated circuits designed to enable autonomous driving and improve fuel economy and safety. Our eGaN technology is faster, smaller, more efficient, lower cost, and more reliable than the ageing silicon power MOSFET used in today's vehicles.”

The EPC2214, an 80V, 20 mΩ, eGaN FET with a 47 A pulsed current rating in a tiny 1.8 mm2 footprint, is suited to use for firing the lasers in lidar systems because the FET can be triggered to create high-current with extremely short pulse widths. The short pulse width leads to higher resolution, and the higher pulse current allows the lidar system to discern objects at greater distances. These two characteristics, along with their tiny size and low cost, make eGaN FETs ideal for radar and ultrasonic sensors in addition to lidar in demanding automotive applications.

To complete AEC Q101 testing, EPC's eGaN FETs underwent rigorous environmental and bias-stress testing, including humidity testing with bias (H3TRB), high temperature reverse bias (HTRB), high temperature gate bias (HTGB), temperature cycling (TC), as well as several other tests.

EPC's WLCS packaging passed all the same testing standards created for conventional packaged parts, demonstrating that the superior performance of chip-scale packaging does not compromise ruggedness or reliability. These eGaN devices are produced in facilities certified to the Automotive Quality Management System Standard IATF 16949.



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