The peak efficiency from 12 V to 60 V/0.85 A is 95.3% and the light load efficiency is 86% with only a 40°C temperature rise despite the small size of the eGaN FETs. “In applications where light-load efficiency is critical, such as LED backlighting for laptops and monitors, the low switching losses of eGaN FETs provide high efficiency with very low temperature rise to prevent equipment overheating,” said Alex Lidow, CEO of EPC. “The synchronous boost topology is a simple, low-cost solution for power system designers.”
(BUSINESS WIRE)—EL SEGUNDO, Calif.— The EPC9162, a bi-directional buck or reverse-boost converter, is now available from EPC. The EPC2052 for the synchronous converter and the EPC2038 for the synchronous bootstrap FET circuit are used on this demonstration board. A 50 W GaN-based Boost Converter is a High-Efficiency, Low-Cost Backlighting Solution for Laptop and PC Monitors. The EPC9162 is set up as a boost converter with a 12 V input and a 60 V/50 W output by default. The board can, however, be used as a buck converter with a 48 V input and a 12 V/60 W output. The quick switching speed of eGaN FETs reduces switching losses dramatically, allowing for improved efficiency operation. to put it together.
The EPC9162 demonstration board is priced at $284.12 each and is available for immediate delivery from Digi-Key at https://www.digikey.com/en/products/detail/epc/EPC9162/15295925. EPC is the leader in enhancement mode gallium nitride (eGaN®) based power management. eGaN FETs and integrated circuits provide performance many times greater than the best silicon power MOSFETs in applications such as DC-DC converters, remote sensing technology (lidar), motor drives for eMobility, robotics, and drones, and low-cost satellites.
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