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[FAQ] 【分享】反激芯片的选择

Other Parts Discussed in Thread: UCC28600

问题的描述:

       客户要求选型AC/DC 反激芯片,效率比一般UC384X或者UCC38C4X系列要高。

问题解决:

       一般传统反激,例如UC384X或者UCC38C4X设计,效率峰值都是不足85%.   这里推荐TI的UCC28600, 绿色准谐振反激控制芯片。相比传统反激,它采用谐振模式,减小了EMI 和开关损耗,并且拥有更低的power saving效果。下面是TI 65W EVM板设计案例,可以看平均效率是可以达到87%左右。

EVM板子案例:https://www.ti.com.cn/cn/lit/ug/sluu263c/sluu263c.pdf

E2E论坛相关帖子:https://e2echina.ti.com/question_answer/analog/power_management/f/24/p/170601/623798#623798