EPC Revolutionizes Lidar System Design with Release of EPC21601 eToF Laser Driver IC

PublishTime： 2021-03-11 Article Source：EPC

February 2021 — EPC announces the introduction of a laser driver that integrates a 40V, 10A FET with integrated gate driver and 3.3V logic level input in a single chip for time-of-flight lidar systems used in robotics, surveillance systems, drones, autonomous cars, and vacuum cleaners.

The EPC21601 is a laser driver that is controlled using 3.3V logic and is capable of very high frequencies exceeding 100MHz and super short pulses < 2ns to modulate laser driving currents up to 10A. Turn-on and turn-off times are 410ps and 320ps respectively. The EPC21601 is a single-chip driver plus eGaN^® FET using EPC's proprietary GaN IC technology in a chip-scale BGA form factor that measures only 1.5mm×1.0mm. With this small form factor and the integration of several functions, the overall solution that is 36% smaller on the printed circuit board (PCB) compared to an equivalent multi-chip discrete implementation.

The EPC21601 is the first offering in what will be a wide-range family of integrated laser drive ICs available in chip-scale package (CSP). Integrated devices in a single chip are easier to design, easier to layout, easier to assemble, save space on the PCB, increase efficiency, and reduce cost. This family of products will enable faster adoption and increased ubiquity of ToF solutions across a wider array of end-user applications.

“Recent advances in our GaN IC technology are poised to change the way time-of-flight lidar systems are designed,” said Alex Lidow, CEO, and co-founder of EPC. “Integrating an eGaN FET plus driver on one chip generates an extremely powerful, blazingly-fast IC and reduces size and cost wider adoption in consumer applications. This new family of GaN integrated circuits will dramatically improve the performance while reducing size and cost for time-of-flight lidar systems.”

development board

The EPC9154 development board features the EPC21601 eToF™ laser driver IC and is primarily intended to drive laser diodes with short, high current pulses. Capabilities include minimum pulse widths of < 2ns, 10A peak currents, and bus voltage rating of 30V.

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Integrated Circuits