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亲;建议用两片IC完成。一级DCDC升压到9V;再用集成功放做6W输出。
后级的功放,可以考虑TPA3144D2
用TPA3144D2的话还需要再加个一级DCDC升压到9V吗?
芯片表面打印看不清,所以无法判断型号呢。
不能通过看线路来判断吗?