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求电源功放模组方案推荐

Other Parts Discussed in Thread: TPA3255

大家好:

        我想设计一个有源音箱的 电源功放模组,要求如下:

         1、功放功率 250W/4欧 *2(实际应用是250W/4R  +50W/8R) (class D 功放) ( 目前找到可能合适的芯片 tpa3255)

         2、开关电源:输入 85~265VAC

         3、需要低成本的方案

         看有没有合适的方案推荐,谢谢!