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TPA3244功放,BTL输出,8—10欧的负载,30V供电,在输出功率3W左右时,持续工作不到一分钟,即开始出现高温报警,想咨询一下原因?
从你的描述看, 没有输出的时候, 应该没有发热现象.
那么功率输出时发热是正常情况, 只是温度太高了, 你首先要考虑的是: 散热条件设计是否合理, 增加散热条件试试看