Electronics and Semiconductors

EPC releases board to demonstrate time-of-flight using eGaN technology

10 January 2020

EPC announces the availability of the EPC9144, a 15 V, 28 A high current pulsed laser diode driver demonstration board.

In time-of-flight systems, speed and accuracy of object detection is critical. As demonstrated on this board, the rapid transition capability of the AEC Q101-qualified EPC2216 provides power pulses to drive laser diodes, VCSELs or LEDs up to 10 times faster than an equivalent MOSFET, in a small fraction of the area, energy and Source: EPCSource: EPCcost.

Gallium nitride (GaN) field effect transistors (FETs) and integrated circuits provide the high current pulses, extremely narrow pulse widths and small size that make affordable, high performance lidar possible. The short pulse width leads to higher resolution, and the tiny size and low cost make eGaN FETs ideal for time-of-flight applications from automotive to industrial, healthcare to smart advertising, gaming and security.

The EPC9144 ships with an interposer board, which is a collection of break-away 5 mm x 5 mm square interposer PCBs with footprints to accommodate different lasers, RF connectors, and a collection of other footprints designed for experimentation with different loads. The use of the interposers allows many different lasers or other loads to be mounted, allowing users to test the performance with the load requirements that are appropriate to their application.

The EPC9144 can also be used for applications requiring a ground-referenced eGaN FET, such as in class E or similar circuits.

To contact the author of this article, email engineering360editors@globalspec.com


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