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充电电流500ma. 电池2200mah。问题:充电时，芯片升温很快，几秒就能感觉到手指有些烫，使用几个月后个别芯片就会出现不充电现象。100个里面有5、6个的样子。
您好，您可以做一下失效分析，看是什么原因造成的
https://www.ti.com.cn/zh-cn/support-quality/additional-information/failure-analysis.html
