This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS2552-1 误保护

Other Parts Discussed in Thread: TPS2552-1

客户在使用 TPS2552-1 的板子上,发现奇怪问题,

参数 输入输出电容 4.7uF,限流电阻 24K.

客户上电后,在USB口插入 U盘,发现TPS2552-1 输出电压被拉低到2V

同时发现限流ILIM 脚电压跌到0V,并一直在处于重复性自恢复状态

而 TPS2552-1 输入5V一直稳定在5V,没有跌落

U盘正常拉电流 50mA, 增加输出的电容也一样,这究竟是什么问题,请帮忙确认,谢谢!