英飞凌CoolGaN™功率晶体管赋能SounDigital放大器,更小尺寸、更高保真

Release time:2025-03-07
author:AMEYA360
source:英飞凌
reading:664

  由于市场对于音频设备的紧凑、轻便、高集成度和节能的需求越来越高,领先的音频设备制造商在不断提高音质的同时,也在努力满足这一需求。另外,他们还必须实现无缝连接、保证成本效益,并提供对用户友好的功能,这使得音频产品的开发变得更加复杂。

  为了解决这些难题,SounDigital在其全新1500W D类放大器中集成了英飞凌的CoolGaN™晶体管,支持800kHz开关频率和五个通道,借助英飞凌先进的氮化镓(GaN)技术,将其能效提升了5%,能量损耗降低了60%。

英飞凌CoolGaN™功率晶体管赋能SounDigital放大器,更小尺寸、更高保真

  SounDigital 1500W D类放大器使用英飞凌100V常关断E模式晶体管,包括采用PQFN-3x5封装的IGC033S101和采用PQFN-3x3封装的IGB110S101。这两款晶体管的导通电阻低,适用于要求严苛的大电流应用,能够显著提升SounDigital放大器的音质和效率。基于GaN的放大器在提供高性能的同时,可以减少75W的功率耗散,使散热器体积缩小50%。此外,在不影响性能的前提下,整个系统的体积缩小了40%。CoolGaN™晶体管进一步提高了音频质量,使总谐波失真(THD)降低70%,实现了更加精准、细腻的声音体验,并通过减少40%的待机电流大幅提升了能效。


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